EP2751502B1 - Evaporator heat exchanger unit - Google Patents

Evaporator heat exchanger unit Download PDF

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Publication number
EP2751502B1
EP2751502B1 EP12759003.2A EP12759003A EP2751502B1 EP 2751502 B1 EP2751502 B1 EP 2751502B1 EP 12759003 A EP12759003 A EP 12759003A EP 2751502 B1 EP2751502 B1 EP 2751502B1
Authority
EP
European Patent Office
Prior art keywords
evaporator
heat exchanger
exchanger unit
housing
cooling agent
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP12759003.2A
Other languages
German (de)
French (fr)
Other versions
EP2751502A1 (en
EP2751502B8 (en
Inventor
Tilo Schaefer
Gholam Reza Zakeri
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hanon Systems EFP Deutschland GmbH
Original Assignee
Magna Powertrain Bad Homburg GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Magna Powertrain Bad Homburg GmbH filed Critical Magna Powertrain Bad Homburg GmbH
Publication of EP2751502A1 publication Critical patent/EP2751502A1/en
Publication of EP2751502B1 publication Critical patent/EP2751502B1/en
Application granted granted Critical
Publication of EP2751502B8 publication Critical patent/EP2751502B8/en
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B39/00—Evaporators; Condensers
    • F25B39/02—Evaporators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B40/00—Subcoolers, desuperheaters or superheaters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2339/00—Details of evaporators; Details of condensers
    • F25B2339/02—Details of evaporators
    • F25B2339/024—Evaporators with refrigerant in a vessel in which is situated a heat exchanger
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2339/00—Details of evaporators; Details of condensers
    • F25B2339/02—Details of evaporators
    • F25B2339/024—Evaporators with refrigerant in a vessel in which is situated a heat exchanger
    • F25B2339/0242—Evaporators with refrigerant in a vessel in which is situated a heat exchanger having tubular elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
    • F25B2400/05—Compression system with heat exchange between particular parts of the system
    • F25B2400/051—Compression system with heat exchange between particular parts of the system between the accumulator and another part of the cycle
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
    • F25B2400/05—Compression system with heat exchange between particular parts of the system
    • F25B2400/052—Compression system with heat exchange between particular parts of the system between the capillary tube and another part of the refrigeration cycle
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
    • F25B2400/05—Compression system with heat exchange between particular parts of the system
    • F25B2400/054—Compression system with heat exchange between particular parts of the system between the suction tube of the compressor and another part of the cycle
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2500/00—Problems to be solved
    • F25B2500/18—Optimization, e.g. high integration of refrigeration components

Definitions

  • the invention relates to an evaporator-heat exchanger unit, and in particular to an evaporator-heat exchanger unit for a heating-cooling module for a motor vehicle.
  • a refrigerant is passed through a refrigerant circuit, this refrigerant circuit usually having at least one compressor, a gas cooler, an internal heat exchanger, an expansion device, an evaporator and a header tank.
  • these components are connected, usually in the order mentioned, via refrigerant-conducting pipelines, heat being removed from the refrigerant in the condenser / gas cooler and heat being supplied in the evaporator.
  • the EP 1 990 221 A1 proposes, based on conventional heating-cooling modules for a motor vehicle, a heating-cooling module in which a condenser / gas cooler, an evaporator and an internal heat exchanger are integrated in such a way that they form a closed unit. This should result in lower assembly costs and reduce the length of the refrigerant pipes installed.
  • FR 2 191 089 A1 discloses an evaporator heat exchanger unit with a header expansion tank for collecting a refrigerant, an evaporator and a housing which encloses an interior, in which interior the header reservoir and the evaporator are arranged.
  • the object of the invention is to enable an improved structure of a heating-cooling module for a motor vehicle, in which suitable components are combined to form a unit.
  • This task is accomplished by an evaporator-heat exchanger unit solved according to independent claim 1.
  • Preferred developments of this evaporator-heat exchanger unit are the subject of the dependent claims.
  • the invention according to independent claim 1 offers the advantage that, in particular, those components of a heating / cooling module for a motor vehicle that have similar temperatures are at least partially arranged in a housing enclosed by a housing. This makes it possible in particular to minimize unwanted heat transfers in the refrigerant circuit and to dimension the heating / cooling module smaller, which results in cost and space advantages.
  • the invention is described below with reference to an evaporator-heat exchanger unit for a heating / cooling module for a motor vehicle, in particular for a motor vehicle operated electrically or by means of a hybrid drive.
  • the invention can also be used for a heating / cooling module of a motor vehicle with an internal combustion engine.
  • the invention can also be used for heating-cooling modules in stationary applications, in particular buildings, or for heating-cooling modules in other applications.
  • An evaporator-heat exchanger unit for a heating-cooling module for a motor vehicle comprising at least one header expansion tank to collect a refrigerant and an evaporator, by means of which at least part of the refrigerant is converted into a gaseous state.
  • a housing which consists of at least two housing parts and which encloses an interior, receives at least the header expansion tank, the evaporator and a coolant, an expansion element being arranged on this housing, via which refrigerant is supplied to the evaporator.
  • An evaporator-heat exchanger unit in the sense of the invention is to be understood as a device which is arranged in the refrigerant circuit of a heating / cooling module for a motor vehicle. In the refrigerant flow, the evaporator-heat exchanger unit is arranged between a gas cooler outlet and a compressor inlet.
  • An evaporator-heat exchanger unit according to the invention has at least one header expansion tank, an evaporator, a housing and an expansion element.
  • the housing having at least two detachably connected housing parts is designed in such a way that it encloses an interior in which the header tank and the evaporator are arranged and which receives a coolant. A heat transfer is provided between this coolant and the refrigerant carried in the evaporator.
  • the functionality of a heat exchanger in particular is realized in the housing.
  • the refrigerant supplied to the evaporator via an expansion element arranged on the housing absorbs heat from the coolant in the housing. After passing through the evaporator, the refrigerant is led into the header tank and collects within the volume that is delimited by the header tank.
  • a heating-cooling module for a motor vehicle is to be understood as a refrigerant circuit from which cold or heat can be removed at different, at least two, locations, in particular the vehicle compartment of a motor vehicle by removing cold and / or heat to temper.
  • the heating-cooling module preferably has a gas cooler for extracting heat from the refrigerant circuit, an evaporator for absorbing heat in the refrigerant circuit, an internal heat exchanger device, an expansion device, a header tank and a compressor, as well as lines, preferably pipes, for Routing refrigerant between the individual components of the heating-cooling module.
  • a heating-cooling module in the sense of the invention has a coolant circuit by means of which heat can be introduced into the refrigerant in the evaporator of the heating-cooling module.
  • a collector expansion tank is to be understood as a tank by means of which refrigerant can be collected, which is supplied to a volume within the collector expansion tank, the collector expansion tank enclosing this volume in particular.
  • the refrigerant is preferably present in gaseous form in a high proportion and liquid in a low proportion.
  • the header expansion tank in the heating-cooling module serves in particular as a reservoir for refrigerant and thus in particular for regulating the pressure conditions in the heating-cooling module under various operating conditions.
  • a refrigerant in the sense of the invention is to be understood as a medium which is suitable for transferring heat and cold from this refrigerant, preferably to one To support coolant of the evaporator heat exchanger unit and / or on air from the surroundings of the vehicle and / or the interior of the vehicle.
  • Media are preferably provided as refrigerants that are suitable for use in heating-cooling modules for a motor vehicle, in particular carbon dioxide (CO 2 , R 744) or tetrafluoroethane (R 134a).
  • an evaporator is understood to mean a device of an evaporator-heat exchanger unit, by means of which at least part of the refrigerant carried in the evaporator is converted from a liquid to a gaseous state.
  • Relaxing refrigerant is supplied to the evaporator via an expansion device, the evaporator preferably having a length that is a refrigerant and which is many times greater than each of the outer dimensions of the evaporator, as a result of which it has a large surface area that is exposed to a medium, in particular coolant. is surrounded.
  • the evaporator or its refrigerant-carrying elements are surrounded by coolant, which is at a higher temperature than the refrigerant, whereby heat is removed from the coolant, and at the same time, with the energy transferred to the refrigerant, at least part of the refrigerant is converted into a gaseous state.
  • the coolant is cooled and preferably used to cool the passenger compartment of the motor vehicle by removing heat from the air in the passenger compartment by the cooled coolant.
  • the cooled coolant can be used to cool electronic components or engine components or a drive unit made of engine and electronics or a battery of the motor vehicle, in that heat is extracted from the component to be cooled by the cooled coolant.
  • a coolant in the sense of the invention is to be understood as a medium which is suitable for delivering heat to an evaporator to a refrigerant and at the same time is suitable for removing heat from the air, preferably from a passenger compartment of a motor vehicle, in particular by means of a heat exchanger suitable for this purpose.
  • the coolant is accommodated in the interior enclosed by the housing of the evaporator-heat exchanger unit and flows around the evaporator.
  • the coolant is preferably a water-containing medium, particularly preferably a water-based medium, in particular also water and / or a glycol-containing medium, in particular glycol.
  • a housing in the sense of the invention is to be understood as a device which receives at least the header expansion tank and the evaporator of the evaporator-heat exchanger unit and a coolant.
  • the housing encloses an interior, within which the header reservoir and the evaporator are arranged. This interior is at least partially, preferably essentially completely filled with coolant.
  • An expansion element is arranged on the housing. In the sense of the invention, this means that an expansion element can be arranged in a recess in this housing or inside the interior enclosed by the housing or outside on the housing.
  • an expansion element is understood to mean a reduction in the cross-section to be passed by the refrigerant in the refrigerant line, on which the refrigerant flow can relax, the refrigerant being present with a higher mass density and higher pressure before passing through the expansion element after passing through the expansion element with lower bulk density and lower pressure.
  • the refrigerant is fed to the evaporator in the evaporator-heat exchanger unit according to the invention.
  • the evaporator is essentially arranged around the header expansion tank. This enables a space-saving, common arrangement of the evaporator and the header reservoir within the interior of the housing of the evaporator-heat exchanger unit enclosed by the at least two housing parts.
  • the arrangement of the evaporator around the header expansion tank takes place in such a way that the largest possible surface of the evaporator is available for flushing by the coolant located in the housing, preferably by the length of the elements of the evaporator carrying the refrigerant being made many times higher than each of the outer dimensions of the evaporator.
  • the housing cover has at least one inlet recess through which refrigerants are arranged in the interior space enclosed by the housing. Evaporator can be introduced, and at least one outlet recess through which refrigerant can be discharged from the header reservoir arranged in the interior.
  • This inlet recess and this outlet recess preferably represent the refrigerant interfaces of the evaporator-heat exchanger unit to those components of the heating-cooling module for a motor vehicle that are not elements of the evaporator-heat exchanger unit.
  • the refrigerant preferably passes through a heat exchanger device before it enters the inlet recess or after it exits the outlet recess.
  • the refrigerant also passes through an expansion element which is arranged at the inlet recess. The refrigerant is led into the evaporator from the inlet recess.
  • Refrigerant which flows out of the header tank, preferably passing through a heat exchanger device, is discharged through the outlet recess in such a way that it reaches the compressor of the heating / cooling module. It passes through the further refrigerant conductors, preferably refrigerant pipes, of the heating-cooling module, which run outside the housing of the evaporator-heat exchanger unit.
  • a heat exchanger device is arranged on the outside of the housing, at least two spaced-apart channels extending in this heat exchanger device, and a coolant flow to the expansion element in a first channel and a coolant flow in a second channel the header expansion tank are guided such that heat can be exchanged between the refrigerant flows.
  • the heat exchanger device is preferably formed in one piece and is preferably arranged on the housing in such a way that the spaced-apart channels at the interface to the housing are matched to one another such that the first channel comes into register with the inlet recess of the housing cover and the second channel with the outlet recess of the housing cover takes cover. In this way, heat can be transferred between the refrigerant which is introduced into the evaporator-heat exchanger unit and the refrigerant which is discharged from the evaporator-heat exchanger unit.
  • the housing has at least one inlet opening through which coolant can be introduced in the interior space delimited by the housing and at least one outlet opening through which coolant can be discharged from the interior space delimited by the housing, wherein the coolant gives off heat in particular to the evaporator and preferably to the header reservoir.
  • Relatively warmer coolant in particular water or a medium, preferably water-based, is passed through the inlet opening in the housing to rinse the evaporator into the interior of the housing.
  • the coolant rinses the surface of the evaporator, which, due to the relatively colder refrigerant conducted in the evaporator, absorbs heat from the coolant, which then leaves the interior of the housing after cooling through the outlet opening of the housing.
  • the header expansion tank has at least one connecting channel through which refrigerant can be introduced into the header tank and at least one outlet channel through which refrigerant can be led out of the header tank.
  • Refrigerant from the evaporator is supplied to the header tank through this connecting channel, this refrigerant collecting in the header tank.
  • Refrigerant is discharged from the header tank through the outlet duct and, preferably after passing through the heat exchanger device, is fed to the compressor of the heating / cooling module.
  • the expansion element is arranged in the refrigerant flow between the heat exchanger device and the evaporator, the expansion element being formed in an expansion element recess in one of the housing parts.
  • the formation of an expansion organ recess is provided within the inlet recess of the housing of the evaporator-heat exchanger unit.
  • an expansion organ recess is to be understood as a recess which is suitable for accommodating an expansion organ in such a way that it Expansion device in the refrigerant flow between a heat exchanger device and an evaporator can cause an expansion of the refrigerant.
  • the expansion element is arranged in the refrigerant flow between the heat exchanger device and the evaporator, the expansion element being in particular firmly and at least indirectly connected to one of the housing parts.
  • the expansion member is preferably arranged such that the refrigerant flow through the expansion member can be fed directly to the inlet recess of the housing or that the refrigerant stream can be fed directly to the expansion member through the inlet recess of the housing.
  • the header expansion tank has a header tank and a header tank cover.
  • the header tank is especially designed to collect refrigerant.
  • the header tank cover, together with the header tank head, encloses an inner volume of the header tank.
  • the connecting channel and / or the outlet channel is preferably arranged on the header tank cover or on the header tank head.
  • the header tank cover and one of the housing parts are essentially designed in one piece as a cover of the evaporator-heat exchanger unit. This cover of the evaporator-heat exchanger unit is connected both to the at least one other housing part and to the header tank.
  • a lid of the evaporator-heat exchanger unit is to be understood in the sense of the invention as a lid which, together with the at least one other housing part of the housing, encloses the interior of the housing and which, together with the header reservoir, has an inner volume of the header reservoir.
  • This inner volume of the header tank, which is arranged in the interior of the housing, is essentially delimited from this interior of the housing in a manner that is leakproof and coolant-tight.
  • connection of the cover of the evaporator-heat exchanger unit to the header tank is preferably designed as a soldered connection or as a welded connection.
  • the connections of the cover of the evaporator-heat exchanger unit to the at least one other housing part are preferably designed as screw connections, in particular as screw connections with several screws.
  • the cover of the evaporator-heat exchanger unit is designed as a distributor plate, at least one inlet recess, one outlet recess, a connecting duct and one outlet duct being arranged in this distributor plate.
  • a distributor plate is to be understood as a cover of the evaporator-heat exchanger unit, which is designed in such a way that it conducts the refrigerant from the heat exchanger device to the expansion element, from the expansion element to the evaporator, from the evaporator to the header tank and from Collector expansion tank can take over to the heat exchanger device.
  • the expansion element is arranged in the inlet recess of the distributor plate.
  • this evaporator is essentially designed as a bent tube for conducting refrigerant.
  • the evaporator is preferably arranged as a tube running essentially spirally around the header reservoir, particularly preferably with a plurality of windings which are arranged in one row, two rows or in multiple rows.
  • the preferably bent tube is designed in such a way that its entire length exceeds each of the outer dimensions of the evaporator by a multiple.
  • the evaporator in several parts, preferably from curved, tubular elements which are each held to one another or to one or more structural parts.
  • this evaporator is designed as a tube made of a good heat-conducting material, in particular metal.
  • the evaporator is formed from an extruded profile with longitudinally oriented ribbing, and in addition to ribbing arranged on the outside of the profile, ribbing can also be provided in the interior of the profile. Refrigerant is conducted within this profile, which is preferably made of aluminum.
  • the evaporator is formed from a profile with transversely oriented ribbing, with refrigerant being conducted within this profile, which is preferably made from aluminum.
  • this ribbing is essentially formed on the housing side, which in particular improves the heat transfer between the evaporator and the coolant located in the interior of the housing.
  • Fig. 1 shows an exemplary embodiment of an evaporator-heat exchanger unit according to the invention.
  • the housing 10 of the evaporator heat exchanger unit 1 has a first housing part 15 and a second housing part 17.
  • the first housing part 15 is designed as a distributor plate 16 and at the same time as a header tank 36.
  • the first housing part 15 is formed from a metal material.
  • a heat exchanger device 50 is arranged on that side of the distributor plate 16 which is not connected to the second housing part 17.
  • This heat exchanger device 50 is designed as a plate heat exchanger, ie it has a package of a plurality of sheets which are soldered to one another and each have a specific contour. The contours of these soldered sheets are designed such that they conduct a line of refrigerant in two separate channels, a first channel 51 and a second channel 52 (both in Fig. 1 enable).
  • a refrigerant dock 60 is arranged on the side of the heat exchanger device 50 remote from the housing screw, which interfaces for the refrigerant supply and removal (both in Fig. 1 not shown).
  • the second housing part 17 has an inlet opening 12a, which serves as a coolant supply 71, and an outlet opening 12b, which serves as a coolant discharge 72.
  • the second housing part 17 is made of a plastic material, but can also be made of other materials such as a plastic composite material or a metal material.
  • the first housing part 15 and the second housing part 17 are releasably connected to one another by eight housing screws 81, but can also be releasably connected to one another in other embodiments in other embodiments.
  • Fig. 2 shows a sectional view in the plane BB of the exemplary embodiment of an evaporator heat exchanger unit 1 according to the invention Fig. 1 .
  • a refrigerant supply 61 (in Fig. 2 not shown) of the refrigerant dock 60 introduced refrigerant into the first channel 51 of the heat exchanger device 50.
  • heat is transferred from the refrigerant in the first channel 51 to the refrigerant in the second channel 52 in the heat exchanger device 50, which is designed as a plate heat exchanger in this exemplary embodiment.
  • the refrigerant from the first channel 51 then flows from the first channel 51 into the expansion organ recess 13 (in Fig.
  • the refrigerant flows from the expansion organ recess 13 to the inlet recess 11a, then the refrigerant is fed to the evaporator 20, where it is guided in the evaporator coil 21.
  • the evaporator coil 21 is in the form of a spiral bent pipe, which extends in a plurality of turns around the header expansion tank 30, the refrigerant being guided away from the distributor plate 16 in an outer winding packet and again being directed towards the distributor plate 16 in an inner winding packet.
  • the evaporator coil 21 also has a non-spiral bent part, by means of which the refrigerant, after passing through the spiral part of the evaporator coil 21, is fed to the connecting channel 31 of the header reservoir 30.
  • the refrigerant passes through the evaporator 20
  • the proportion of the gaseous refrigerant increases, the proportion of the liquid refrigerant decreasing.
  • the energy required for this is supplied to the refrigerant, in particular via a heat transfer, from a coolant which flows around the evaporator coil 21 of the evaporator 20, it flowing through the interior 18 of the housing 10, i.e. between the walls of the second housing part 17, the distributor plate 16 and the collector Expansion tank pot 35 is added.
  • the coolant supply 71 takes place via the inlet opening 12a of the second housing part 17.
  • the coolant is removed 72 via the outlet opening 12b of the second housing part 17, preferably a continuous coolant flow through the interior 18 of the housing 10 is provided.
  • Fig. 3 shows a further sectional view of the exemplary embodiment of an evaporator-heat exchanger unit 1 according to the invention Fig. 1 in level AA, the course of which is also shown in Fig. 2 can be removed.
  • the refrigerant After the refrigerant has passed through the evaporator 20, it is transferred via the connecting channel 31 into the header reservoir 30, where at least part of the liquid portion of the refrigerant collects in the header reservoir 35.
  • a quantity of refrigerant which is dependent on the operating conditions in the refrigerant circuit of the heating / cooling module, is converted from the header expansion tank 30 via the outlet channel 32 and the outlet recess 11b (in Fig. 3 not shown) of the housing 10 in turn is fed to the heat exchanger device 50 in its second channel 52 in order to absorb heat from the refrigerant in the first channel 51 of the heat exchanger device 50.
  • the refrigerant is removed 62 (in Fig. 3 not shown) from the refrigerant dock 60 from the evaporator heat exchanger unit 1 to further components of the heating / cooling module, in this exemplary embodiment to the compressor.
  • the interior 18 of the housing 10 is enclosed by the distributor plate 16 and the second housing part 17, the distributor plate 16 and the second housing part 17 being screwed to one another by means of a multiplicity of housing screws 81.
  • the distributor plate 16 which in this exemplary embodiment also takes on the function of the header tank 36, the header tank 35 is arranged in a fluid and pressure-tight manner by means of a soldered connection.
  • Fig. 4 shows a sectional view in the distributor plate 16 of the exemplary embodiment of an evaporator heat exchanger unit 1 according to the invention Fig. 1 (Section plane DD).
  • the refrigerant is discharged from the expansion organ recess 13 in the inlet recess 11a.
  • An expansion element 40 is arranged in front of it, which is designed as a fixed throttle 41, for example.
  • the expansion organ recess 13 is formed as part of the inlet recess 11a.
  • the refrigerant relaxes at the fixed throttle 41, as a result of which the pressure of the refrigerant in the refrigerant flow drops after passing through the expansion element 40.
  • the temperature of the refrigerant also drops.
  • the refrigerant After passing through the fixed throttle 41, the refrigerant is in the inlet recess 11a largely liquid and to a small extent gaseous and is supplied to the evaporator 20 in its evaporator coil 21 via the refrigerant interface 33.
  • the refrigerant After the refrigerant has passed through the evaporator 20, it is fed into the header expansion tank 30 via the refrigerant interface 34 by means of the connecting channel 31 through which it passes.
  • the outlet recess 11b - with the outlet duct 32 - is additionally arranged, with refrigerant being led from the header expansion tank 30 into the second duct 52 of the heat exchanger device via the outlet duct 32 and the outlet recess 11b.
  • Fig. 5 and Fig. 6 show two different 3D sectional views of the exemplary embodiment of an evaporator-heat exchanger unit 1 according to the invention Fig. 1 . This is intended to further clarify the arrangement of the individual components relative to one another. In particular, the arrangement of the refrigerant supply 61 and the refrigerant discharge 62 on the refrigerant dock 60 is shown, which had not emerged from the previous figures.
  • the first channel 51 of the heat exchanger device 50 is arranged starting at the refrigerant supply 61. In its further course, it is formed by a package of a plurality of sheets which are soldered to one another and each stamped into a specific contour, this stamped contour forming a refrigerant-conducting cavity which is separated from the second channel 52 and in which the refrigerant is supplied to the expansion organ recess 13.
  • the refrigerant is transferred from the header tank 30 to the refrigerant discharge in the second channel 52, which is designed analogously. Good heat transfer to the refrigerant in the second channel 52 takes place between the refrigerant flows in the first channel 51 and in the second channel 52.

Description

Die Erfindung betrifft eine Verdampfer-Wärmetauscher-Einheit, und insbesondere eine Verdampfer-Wärmetauscher-Einheit für ein Heiz-Kühl-Modul für ein Kraftfahrzeug.
In bekannten Heiz-Kühl-Modulen für ein Kraftfahrzeug wird ein Kältemittel durch einen Kältemittelkreislauf geführt, wobei dieser Kältemittelkreislauf üblicherweise wenigstens einen Verdichter, einen Gaskühler, einen internen Wärmetauscher, ein Expansionsorgan, einen Verdampfer und einen Sammler-Ausgleichsbehälter aufweist. Diese Komponenten sind, üblicherweise in der genannten Reihenfolge, über Kältemittel leitende Rohrleitungen verbunden, wobei dem Kältemittel im Kondensator/Gaskühler Wärme entzogen und im Verdampfer Wärme zugeführt wird. Über diese Wärmetransfers wird mittelbar eine Temperierung des Innenraums eines Kraftfahrzeugs, einer Batterie, eines Antriebsmotors oder einer Elektronik des Kraftfahrzeuges vorgenommen.
Die EP 1 990 221 A1 schlägt, aufbauend auf üblichen Heiz-Kühl-Modulen für ein Kraftfahrzeug, ein Heiz-Kühl-Modul vor, bei dem ein Kondensator/Gaskühler, ein Verdampfer und ein innerer Wärmetauscher so integriert sind, dass sie eine geschlossene Einheit bilden. Dadurch sollen geringere Montagekosten realisiert werden und die Länge der verbauten Kältemittelrohre gesenkt werden. Dabei werden solche Komponenten in eine geschlossene Einheit integriert, die sehr unterschiedliche Temperaturen aufweisen, FR 2 191 089 A1 offenbart eine Verdampfer-Wärmetauscher-Einheit mit einem Sammler-Ausgleichsbehälter zum Sammeln eines Kältemittels, einem Verdampfer und einem Gehäuse welches einen Innenraum umschließt, wobei in diesem Innenraum der Sammler-Ausgleichsbehälter und der Verdampfer angeordnet sind.The invention relates to an evaporator-heat exchanger unit, and in particular to an evaporator-heat exchanger unit for a heating-cooling module for a motor vehicle.
In known heating-cooling modules for a motor vehicle, a refrigerant is passed through a refrigerant circuit, this refrigerant circuit usually having at least one compressor, a gas cooler, an internal heat exchanger, an expansion device, an evaporator and a header tank. These components are connected, usually in the order mentioned, via refrigerant-conducting pipelines, heat being removed from the refrigerant in the condenser / gas cooler and heat being supplied in the evaporator. These heat transfers indirectly heat the interior of a motor vehicle, a battery, a drive motor or the electronics of the motor vehicle.
The EP 1 990 221 A1 proposes, based on conventional heating-cooling modules for a motor vehicle, a heating-cooling module in which a condenser / gas cooler, an evaporator and an internal heat exchanger are integrated in such a way that they form a closed unit. This should result in lower assembly costs and reduce the length of the refrigerant pipes installed. Components are integrated into a closed unit that have very different temperatures, FR 2 191 089 A1 discloses an evaporator heat exchanger unit with a header expansion tank for collecting a refrigerant, an evaporator and a housing which encloses an interior, in which interior the header reservoir and the evaporator are arranged.

Die Aufgabe der Erfindung ist es, einen verbesserten Aufbau eines Heiz-Kühl-Moduls für ein Kraftfahrzeug zu ermöglichen, in dem geeignete Komponenten zu einer Einheit zusammengefasst werden. Diese Aufgabe wird durch eine Verdampfer-Wärmetauscher-Einheit nach dem unabhängigen Anspruch 1 gelöst. Zu bevorzugende Weiterbildungen dieser Verdampfer-Wärmetauscher-Einheit sind Gegenstand der abhängigen Ansprüche. Die Erfindung gemäß dem unabhängigen Anspruch 1 bietet den Vorteil, dass insbesondere diejenigen Bestandteile eines Heiz-Kühl-Moduls für ein Kraftfahrzeug, welche ähnliche Temperaturen aufweisen, wenigstens teilweise in einem von einem Gehäuse umschlossenen Gehäuse angeordnet sind. Dadurch ist es insbesondere möglich, unerwünschte Wärmetransfers im Kältemittelkreislauf zu minimieren und das Heiz-Kühl-Modul kleiner zu dimensionieren, wodurch Kosten- und Bauraumvorteile entstehen.The object of the invention is to enable an improved structure of a heating-cooling module for a motor vehicle, in which suitable components are combined to form a unit. This task is accomplished by an evaporator-heat exchanger unit solved according to independent claim 1. Preferred developments of this evaporator-heat exchanger unit are the subject of the dependent claims. The invention according to independent claim 1 offers the advantage that, in particular, those components of a heating / cooling module for a motor vehicle that have similar temperatures are at least partially arranged in a housing enclosed by a housing. This makes it possible in particular to minimize unwanted heat transfers in the refrigerant circuit and to dimension the heating / cooling module smaller, which results in cost and space advantages.

Im Folgenden wird die Erfindung in Bezug auf eine Verdampfer-Wärmetauscher-Einheit für ein Heiz-Kühl-Modul für ein Kraftfahrzeug beschrieben, insbesondere für ein elektrisch oder mittels Hybridantrieb betriebenes Kraftfahrzeug. Die Erfindung ist aber auch für ein Heiz-Kühl-Modul eines Kraftfahrzeuges mit einem Verbrennungsmotor anwendbar. Ferner kann die Erfindung auch für Heiz-Kühl-Module bei stationären Anwendungen, insbesondere Gebäuden, oder für Heiz-Kühl-Module bei anderen Anwendungen eingesetzt werden.
Es wird eine Verdampfer-Wärmetauscher-Einheit für ein Heiz-Kühl-Modul für ein Kraftfahrzeug vorgeschlagen, aufweisend wenigstens einen Sammler-Ausgleichsbehälter, um ein Kältemittel zu sammeln und einen Verdampfer, mittels welchem wenigstens ein Teil des Kältemittels in einen gasförmigen Zustand überführt wird. Dabei nimmt ein Gehäuse, welches aus wenigstens zwei Gehäuseteilen besteht und welches einen Innenraum umschließt, wenigstens den Sammler-Ausgleichsbehälter, den Verdampfer und ein Kühlmittel auf, wobei an diesem Gehäuse ein Expansionsorgan angeordnet ist, über welches dem Verdampfer Kältemittel zugeführt wird.
Unter einer Verdampfer-Wärmetauscher-Einheit ist im Sinne der Erfindung eine Vorrichtung zu verstehen, welche im Kältemittelkreislauf eines Heiz-Kühl-Moduls für ein Kraftfahrzeug angeordnet ist. Im Kältemittelstrom ist die Verdampfer-Wärmetauscher-Einheit zwischen einem Gaskühlerauslass und einem Verdichtereinlass angeordnet. Eine erfindungsgemäße Verdampfer-Wärmetauscher-Einheit weist wenigstens einen Sammler-Ausgleichsbehälter, einen Verdampfer, ein Gehäuse und ein Expansionsorgan auf. Das wenigstens zwei lösbar miteinander verbundene Gehäuseteile aufweisende Gehäuse ist dabei derart ausgebildet, dass es einen Innenraum umschließt, in welchem der Sammler-Ausgleichsbehälter und der Verdampfer angeordnet sind und welches ein Kühlmittel aufnimmt. Zwischen diesem Kühlmittel und dem im Verdampfer geführten Kältemittel ist ein Wärmetransfer vorgesehen. Dadurch ist im Gehäuse insbesondere die Funktionalität eines Wärmetauschers realisiert. In diesem Wärmetauscher nimmt das über ein, am Gehäuse angeordnetes, Expansionsorgan dem Verdampfer zugeführte Kältemittel Wärme vom Kühlmittel im Gehäuse auf. Nach Durchlaufen des Verdampfers wird das Kältemittel in den Sammler-Ausgleichsbehälter geleitet und sammelt sich innerhalb des Volumens, welches vom Sammler-Ausgleichsbehälter abgegrenzt wird.The invention is described below with reference to an evaporator-heat exchanger unit for a heating / cooling module for a motor vehicle, in particular for a motor vehicle operated electrically or by means of a hybrid drive. However, the invention can also be used for a heating / cooling module of a motor vehicle with an internal combustion engine. Furthermore, the invention can also be used for heating-cooling modules in stationary applications, in particular buildings, or for heating-cooling modules in other applications.
An evaporator-heat exchanger unit for a heating-cooling module for a motor vehicle is proposed, comprising at least one header expansion tank to collect a refrigerant and an evaporator, by means of which at least part of the refrigerant is converted into a gaseous state. A housing, which consists of at least two housing parts and which encloses an interior, receives at least the header expansion tank, the evaporator and a coolant, an expansion element being arranged on this housing, via which refrigerant is supplied to the evaporator.
An evaporator-heat exchanger unit in the sense of the invention is to be understood as a device which is arranged in the refrigerant circuit of a heating / cooling module for a motor vehicle. In the refrigerant flow, the evaporator-heat exchanger unit is arranged between a gas cooler outlet and a compressor inlet. An evaporator-heat exchanger unit according to the invention has at least one header expansion tank, an evaporator, a housing and an expansion element. The housing having at least two detachably connected housing parts is designed in such a way that it encloses an interior in which the header tank and the evaporator are arranged and which receives a coolant. A heat transfer is provided between this coolant and the refrigerant carried in the evaporator. As a result, the functionality of a heat exchanger in particular is realized in the housing. In this heat exchanger, the refrigerant supplied to the evaporator via an expansion element arranged on the housing absorbs heat from the coolant in the housing. After passing through the evaporator, the refrigerant is led into the header tank and collects within the volume that is delimited by the header tank.

Unter einem Heiz-Kühl-Modul für ein Kraftfahrzeug ist im Sinne der Erfindung ein Kältemittelkreislauf zu verstehen, dem an verschiedenen, mindestens zwei, Stellen Kälte oder Wärme entnommen werden kann, um insbesondere durch die Entnahme von Kälte und/oder Wärme den Fahrzeugraum eines Kraftfahrzeugs zu temperieren. Das Heiz-Kühl-Modul weist dabei vorzugsweise einen Gaskühler zur Entnahme von Wärme aus dem Kältemittelkreislauf, einen Verdampfer zur Aufnahme von Wärme in den Kältemittelkreislauf, eine interne Wärmetauschereinrichtung, ein Expansionsorgan, einen Sammler-Ausgleichsbehälter und einen Verdichter sowie Leitungen, vorzugsweise Rohrleitungen, zur Führung von Kältemittel zwischen den einzelnen Komponenten des Heiz-Kühl-Moduls auf. Zusätzlich weist ein Heiz-Kühl-Modul im Sinne der Erfindung einen Kühlmittel-Kreislauf auf, mittels dessen Wärme in das Kältemittel im Verdampfer des Heiz-Kühl-Moduls eingebracht werden kann.For the purposes of the invention, a heating-cooling module for a motor vehicle is to be understood as a refrigerant circuit from which cold or heat can be removed at different, at least two, locations, in particular the vehicle compartment of a motor vehicle by removing cold and / or heat to temper. The heating-cooling module preferably has a gas cooler for extracting heat from the refrigerant circuit, an evaporator for absorbing heat in the refrigerant circuit, an internal heat exchanger device, an expansion device, a header tank and a compressor, as well as lines, preferably pipes, for Routing refrigerant between the individual components of the heating-cooling module. In addition, a heating-cooling module in the sense of the invention has a coolant circuit by means of which heat can be introduced into the refrigerant in the evaporator of the heating-cooling module.

Unter einem Sammler-Ausgleichsbehälter ist im Sinne der Erfindung ein Behälter zu verstehen, mittels dem Kältemittel gesammelt werden kann, welches einem Volumen innerhalb des Sammler-Ausgleichsbehälters zugeführt wird, wobei der Sammler-Ausgleichsbehälter insbesondere dieses Volumen umschließt. Im Sammler-Ausgleichsbehälter liegt das Kältemittel bevorzugt zu einem hohen Anteil gasförmig und einem niedrigen Anteil flüssig vor. Der Sammler-Ausgleichsbehälter dient im Heiz-Kühl-Modul insbesondere als Reservoir für Kältemittel und damit insbesondere zum Regeln der Druckverhältnisse im Heiz-Kühl-Modul bei verschiedenen Betriebsbedingungen.In the context of the invention, a collector expansion tank is to be understood as a tank by means of which refrigerant can be collected, which is supplied to a volume within the collector expansion tank, the collector expansion tank enclosing this volume in particular. In the header expansion tank, the refrigerant is preferably present in gaseous form in a high proportion and liquid in a low proportion. The header expansion tank in the heating-cooling module serves in particular as a reservoir for refrigerant and thus in particular for regulating the pressure conditions in the heating-cooling module under various operating conditions.

Unter einem Kältemittel im Sinne der Erfindung ist ein Medium zu verstehen, welches geeignet ist, Wärme- und Kälteübergänge von diesem Kältemittel, vorzugsweise auf ein Kühlmittel der Verdampfer-Wärmetauscher-Einheit und/oder auf Luft aus der Umgebung des Fahrzeuges und/oder dem Innenraum des Fahrzeuges, zu unterstützen. Bevorzugt sind als Kältemittel solche Medien vorgesehen, die sich für eine Verwendung in Heiz-Kühl-Modulen für ein Kraftfahrzeug eignen, insbesondere Kohlenstoffdioxid (CO2, R 744) oder Tetrafluorethan (R 134a).A refrigerant in the sense of the invention is to be understood as a medium which is suitable for transferring heat and cold from this refrigerant, preferably to one To support coolant of the evaporator heat exchanger unit and / or on air from the surroundings of the vehicle and / or the interior of the vehicle. Media are preferably provided as refrigerants that are suitable for use in heating-cooling modules for a motor vehicle, in particular carbon dioxide (CO 2 , R 744) or tetrafluoroethane (R 134a).

Unter einem Verdampfer ist im Sinne der Erfindung eine Einrichtung einer Verdampfer-Wärmetauscher-Einheit zu verstehen, mittels welcher wenigstens ein Teil des, in dem Verdampfer geführten, Kältemittels aus einem flüssigen in einen gasförmigen Zustand überführt wird. Dem Verdampfer wird dabei über ein Expansionsorgan sich entspannendes Kältemittel zugeführt, wobei der Verdampfer bevorzugt eine Kältemittel führende Länge aufweist, welche um ein Vielfaches höher ist als jedes der Außenabmaße des Verdampfers, wodurch er eine große Oberfläche aufweist, die von einem Medium, insbesondere Kühlmittel, umgeben ist. Bevorzugt wird der Verdampfer beziehungsweise dessen Kältemittel führende Elemente von Kühlmittel umspült, welches höher temperiert ist als das Kältemittel, wobei dem Kühlmittel Wärme entzogen wird, und gleichzeitig mit der dabei an das Kältemittel übertragenen Energie wenigstens ein Teil des Kältemittels in einen gasförmigen Zustand überführt wird. Das Kühlmittel wird dabei abgekühlt und bevorzugt dazu verwendet, die Fahrgastzelle des Kraftfahrzeuges zu kühlen, indem der Luft in dem Fahrgastraum durch das gekühlte Kühlmittel Wärme entzogen wird. Ebenso kann das abgekühlte Kühlmittel dazu verwendet werden, elektronische Bauteile oder Motorbauteile oder eine Antriebseinheit aus Motor und Elektronik oder eine Batterie des Kraftfahrzeuges zu kühlen, indem dem jeweils zu kühlenden Bauteil durch das gekühlte Kühlmittel Wärme entzogen wird.In the context of the invention, an evaporator is understood to mean a device of an evaporator-heat exchanger unit, by means of which at least part of the refrigerant carried in the evaporator is converted from a liquid to a gaseous state. Relaxing refrigerant is supplied to the evaporator via an expansion device, the evaporator preferably having a length that is a refrigerant and which is many times greater than each of the outer dimensions of the evaporator, as a result of which it has a large surface area that is exposed to a medium, in particular coolant. is surrounded. Preferably, the evaporator or its refrigerant-carrying elements are surrounded by coolant, which is at a higher temperature than the refrigerant, whereby heat is removed from the coolant, and at the same time, with the energy transferred to the refrigerant, at least part of the refrigerant is converted into a gaseous state. The coolant is cooled and preferably used to cool the passenger compartment of the motor vehicle by removing heat from the air in the passenger compartment by the cooled coolant. Likewise, the cooled coolant can be used to cool electronic components or engine components or a drive unit made of engine and electronics or a battery of the motor vehicle, in that heat is extracted from the component to be cooled by the cooled coolant.

Unter einem Kühlmittel im Sinne der Erfindung ist ein Medium zu verstehen, welches geeignet ist, an einen Verdampfer Wärme an ein Kältemittel abzugeben, und gleichzeitig geeignet ist, der Luft bevorzugt einer Fahrgastzelle eines Kraftfahrzeuges, insbesondere mittels einem hierfür geeigneten Wärmetauscher, Wärme zu entnehmen. Das Kühlmittel ist im Sinne der Erfindung dabei im durch das Gehäuse der Verdampfer-Wärmetauscher-Einheit umschlossenen Innenraum aufgenommen und umspült den Verdampfer. Bevorzugt ist das Kühlmittel ein wasserhaltiges Medium, besonders bevorzugt ein wasserbasiertes Medium, insbesondere auch Wasser und/oder ein glykolhaltiges Medium, insbesondere Glykol.A coolant in the sense of the invention is to be understood as a medium which is suitable for delivering heat to an evaporator to a refrigerant and at the same time is suitable for removing heat from the air, preferably from a passenger compartment of a motor vehicle, in particular by means of a heat exchanger suitable for this purpose. According to the invention, the coolant is accommodated in the interior enclosed by the housing of the evaporator-heat exchanger unit and flows around the evaporator. The coolant is preferably a water-containing medium, particularly preferably a water-based medium, in particular also water and / or a glycol-containing medium, in particular glycol.

Unter einem Gehäuse im Sinne der Erfindung ist eine Einrichtung zu verstehen, welche zumindest den Sammler-Ausgleichsbehälter und den Verdampfer der Verdampfer-Wärmetauscher-Einheit sowie ein Kühlmittel aufnimmt. Dabei umschließt das Gehäuse einen Innenraum, innerhalb dessen der Sammler-Ausgleichsbehälter und der Verdampfer angeordnet sind. Dieser Innenraum ist zumindest teilweise, bevorzugt im Wesentlichen vollständig mit Kühlmittel gefüllt. An dem Gehäuse ist ein Expansionsorgan angeordnet. Darunter ist im Sinne der Erfindung zu verstehen, dass ein Expansionsorgan in einer Ausnehmung dieses Gehäuses oder innerhalb des durch das Gehäuse umschlossenen Innenraumes oder außerhalb am Gehäuse angeordnet sein kann.A housing in the sense of the invention is to be understood as a device which receives at least the header expansion tank and the evaporator of the evaporator-heat exchanger unit and a coolant. The housing encloses an interior, within which the header reservoir and the evaporator are arranged. This interior is at least partially, preferably essentially completely filled with coolant. An expansion element is arranged on the housing. In the sense of the invention, this means that an expansion element can be arranged in a recess in this housing or inside the interior enclosed by the housing or outside on the housing.

Unter einem Expansionsorgan ist im Sinne der Erfindung eine Verkleinerung des vom Kältemittel zu passierenden Querschnitts in der Kältemittelleitung zu verstehen, an der sich der Kältemittelstrom entspannen kann, wobei das Kältemittel vor dem Passieren des Expansionsorgans mit höherer Massedichte und höherem Druck vorliegt, nach Durchlaufen des Expansionsorgans mit niedrigerer Massedichte und niedrigerem Druck. Nach dem Passieren des Expansionsorgans wird das Kältemittel in der erfindungsgemäßen Verdampfer-Wärmetauscher-Einheit dem Verdampfer zugeführt.For the purposes of the invention, an expansion element is understood to mean a reduction in the cross-section to be passed by the refrigerant in the refrigerant line, on which the refrigerant flow can relax, the refrigerant being present with a higher mass density and higher pressure before passing through the expansion element after passing through the expansion element with lower bulk density and lower pressure. After passing through the expansion element, the refrigerant is fed to the evaporator in the evaporator-heat exchanger unit according to the invention.

In einer bevorzugten Weiterbildung der erfindungsgemäßen Verdampfer-Wärmetauscher-Einheit ist der Verdampfer im Wesentlichen um den Sammler-Ausgleichsbehälter angeordnet. Dies ermöglicht eine Bauraum sparende, gemeinsame Anordnung des Verdampfers und des Sammler-Ausgleichsbehälters innerhalb des von den wenigstens zwei Gehäuseteilen umschlossenen Innenraums des Gehäuses der Verdampfer-Wärmetauscher-Einheit. Die Anordnung des Verdampfers um den Sammler-Ausgleichsbehälter erfolgt dabei insbesondere derart, dass eine möglichst große Oberfläche des Verdampfers zur Umspülung durch das im Gehäuse befindliche Kühlmittel zur Verfügung steht, bevorzugt indem die Länge der Kältemittel führenden Elemente des Verdampfers um ein Vielfaches höher ausgebildet ist als jedes der Außenabmaße des Verdampfers.In a preferred development of the evaporator-heat exchanger unit according to the invention, the evaporator is essentially arranged around the header expansion tank. This enables a space-saving, common arrangement of the evaporator and the header reservoir within the interior of the housing of the evaporator-heat exchanger unit enclosed by the at least two housing parts. The arrangement of the evaporator around the header expansion tank takes place in such a way that the largest possible surface of the evaporator is available for flushing by the coolant located in the housing, preferably by the length of the elements of the evaporator carrying the refrigerant being made many times higher than each of the outer dimensions of the evaporator.

In einer weiteren bevorzugten Weiterbildung der erfindungsgemäßen Verdampfer-Wärmetauscher-Einheit weist der Gehäusedeckel mindestens eine Einlassausnehmung auf, durch die Kältemittel in den, im durch das Gehäuse umschlossenen Innenraum angeordneten, Verdampfer einleitbar ist, und mindestens eine Auslassausnehmung, durch die Kältemittel aus dem, im Innenraum angeordneten, Sammler-Ausgleichsbehälter ausleitbar ist.In a further preferred development of the evaporator-heat exchanger unit according to the invention, the housing cover has at least one inlet recess through which refrigerants are arranged in the interior space enclosed by the housing. Evaporator can be introduced, and at least one outlet recess through which refrigerant can be discharged from the header reservoir arranged in the interior.

Diese Einlassausnehmung und diese Auslassausnehmung stellen vorzugsweise die Kältemittelschnittstellen der Verdampfer-Wärmetauscher-Einheit zu denjenigen Komponenten des Heiz-Kühl-Moduls für ein Kraftfahrzeug dar, die nicht Elemente der Verdampfer-Wärmetauscher-Einheit sind. Bevorzugt passiert das Kältemittel vor Eintritt in die Einlassausnehmung beziehungsweise nach Austritt aus der Auslassausnehmung eine Wärmetauschereinrichtung. Das Kältemittel passiert zudem ein Expansionsorgan, welches an der Einlassausnehmung angeordnet ist. Von der Einlassausnehmung wird das Kältemittel in den Verdampfer geleitet.This inlet recess and this outlet recess preferably represent the refrigerant interfaces of the evaporator-heat exchanger unit to those components of the heating-cooling module for a motor vehicle that are not elements of the evaporator-heat exchanger unit. The refrigerant preferably passes through a heat exchanger device before it enters the inlet recess or after it exits the outlet recess. The refrigerant also passes through an expansion element which is arranged at the inlet recess. The refrigerant is led into the evaporator from the inlet recess.

Durch die Auslassausnehmung wird Kältemittel, welches aus dem Sammler-Ausgleichsbehälter strömt, bevorzugt eine Wärmetauschereinrichtung durchlaufend, derart ausgeleitet, dass es zum Verdichter des Heiz-Kühl-Moduls gelangt. Dabei durchläuft es die, außerhalb des Gehäuses der Verdampfer-Wärmetauscher-Einheit verlaufenden, weiteren Kältemittelleiter, bevorzugt Kältemittelrohre, des Heiz-Kühl-Moduls.Refrigerant, which flows out of the header tank, preferably passing through a heat exchanger device, is discharged through the outlet recess in such a way that it reaches the compressor of the heating / cooling module. It passes through the further refrigerant conductors, preferably refrigerant pipes, of the heating-cooling module, which run outside the housing of the evaporator-heat exchanger unit.

In einer weiteren bevorzugten Weiterbildung der erfindungsgemäßen Verdampfer-Wärmetauscher-Einheit ist am Gehäuse gehäuseaußenseitig eine Wärmetauschereinrichtung angeordnet, wobei sich in dieser Wärmetauschereinrichtung wenigstens zwei voneinander beabstandete Kanäle erstrecken, und wobei in einem ersten Kanal ein Kältemittelstrom zum Expansionsorgan und in einem zweiten Kanal ein Kältemittelstrom aus dem Sammler-Ausgleichsbehälter derart geführt werden, dass zwischen den Kältemittelströmen Wärme austauschbar ist. Die Wärmetauschereinrichtung ist dabei bevorzugt einstückig ausgebildet und vorzugsweise derart am Gehäuse angeordnet, dass die voneinander beabstandeten Kanäle an der Schnittstelle zum Gehäuse derart aufeinander abgestimmt sind, dass der erste Kanal mit der Einlassausnehmung des Gehäusedeckels in Deckung kommt und der zweite Kanal mit der Auslassausnehmung des Gehäusedeckels in Deckung kommt. Auf diese Weise kann Wärme zwischen dem Kältemittel, welches in die Verdampfer-Wärmetauscher-Einheit eingeleitet wird und dem Kältemittel, welches aus der Verdampfer-Wärmetauscher-Einheit ausgeleitet wird, transferiert werden.In a further preferred development of the evaporator-heat exchanger unit according to the invention, a heat exchanger device is arranged on the outside of the housing, at least two spaced-apart channels extending in this heat exchanger device, and a coolant flow to the expansion element in a first channel and a coolant flow in a second channel the header expansion tank are guided such that heat can be exchanged between the refrigerant flows. The heat exchanger device is preferably formed in one piece and is preferably arranged on the housing in such a way that the spaced-apart channels at the interface to the housing are matched to one another such that the first channel comes into register with the inlet recess of the housing cover and the second channel with the outlet recess of the housing cover takes cover. In this way, heat can be transferred between the refrigerant which is introduced into the evaporator-heat exchanger unit and the refrigerant which is discharged from the evaporator-heat exchanger unit.

In einer weiteren bevorzugten Weiterbildung der erfindungsgemäßen Verdampfer-Wärmetauscher-Einheit weist das Gehäuse mindestens eine Einlassöffnung auf, durch die Kühlmittel in dem durch das Gehäuse abgegrenzten Innenraum einleitbar ist und mindestens eine Auslassöffnung, durch die Kühlmittel aus dem durch das Gehäuse abgegrenzten Innenraum ausleitbar ist, wobei das Kühlmittel insbesondere an dem Verdampfer und bevorzugt an dem Sammler-Ausgleichsbehälter Wärme abgibt. Durch die Einlassöffnung im Gehäuse wird relativ wärmeres Kühlmittel, insbesondere Wasser oder ein Medium vorzugsweise auf Wasserbasis, zum Umspülen des Verdampfers in den Innenraum des Gehäuses geleitet. Dort umspült das Kühlmittel die Oberfläche des Verdampfers, die aufgrund des im Verdampfer geleiteten, relativ kälteren Kältemittels Wärme aus dem Kühlmittel aufnimmt, welches anschließend abgekühlt durch die Auslassöffnung des Gehäuses den Innenraum des Gehäuses verlässt.In a further preferred development of the evaporator-heat exchanger unit according to the invention, the housing has at least one inlet opening through which coolant can be introduced in the interior space delimited by the housing and at least one outlet opening through which coolant can be discharged from the interior space delimited by the housing, wherein the coolant gives off heat in particular to the evaporator and preferably to the header reservoir. Relatively warmer coolant, in particular water or a medium, preferably water-based, is passed through the inlet opening in the housing to rinse the evaporator into the interior of the housing. There, the coolant rinses the surface of the evaporator, which, due to the relatively colder refrigerant conducted in the evaporator, absorbs heat from the coolant, which then leaves the interior of the housing after cooling through the outlet opening of the housing.

In einer weiteren bevorzugten Weiterbildung der Verdampfer-Wärmetauscher-Einheit weist der Sammler-Ausgleichsbehälter mindestens einen Verbindungskanal auf, durch den Kältemittel in den Sammler-Ausgleichsbehälter einleitbar ist, und mindestens einen Auslasskanal, durch den Kältemittel aus dem Sammler-Ausgleichsbehälter ausleitbar ist. Durch diesen Verbindungskanal wird dem Sammler-Ausgleichsbehälter Kältemittel aus dem Verdampfer zugeführt, wobei sich dieses Kältemittel in dem Sammler-Ausgleichsbehälter sammelt. Durch den Auslasskanal wird Kältemittel aus dem Sammler-Ausgleichsbehälter abgeführt und, bevorzugt nach Durchlaufen der Wärmetauschereinrichtung, dem Verdichter des Heiz-Kühl-Moduls zugeführt.In a further preferred development of the evaporator-heat exchanger unit, the header expansion tank has at least one connecting channel through which refrigerant can be introduced into the header tank and at least one outlet channel through which refrigerant can be led out of the header tank. Refrigerant from the evaporator is supplied to the header tank through this connecting channel, this refrigerant collecting in the header tank. Refrigerant is discharged from the header tank through the outlet duct and, preferably after passing through the heat exchanger device, is fed to the compressor of the heating / cooling module.

In einer weiteren bevorzugten Weiterbildung der Verdampfer-Wärmetauscher-Einheit ist das Expansionsorgan im Kältemittelstrom zwischen der Wärmetauschereinrichtung und dem Verdampfer angeordnet, wobei das Expansionsorgan in einer Expansionsorganausnehmung eines der Gehäuseteile ausgebildet ist. Insbesondere ist dabei die Ausbildung einer Expansionsorganausnehmung innerhalb der Einlassausnehmung des Gehäuses der Verdampfer-Wärmetauscher-Einheit vorgesehen.In a further preferred development of the evaporator-heat exchanger unit, the expansion element is arranged in the refrigerant flow between the heat exchanger device and the evaporator, the expansion element being formed in an expansion element recess in one of the housing parts. In particular, the formation of an expansion organ recess is provided within the inlet recess of the housing of the evaporator-heat exchanger unit.

Unter einer Expansionsorganausnehmung ist im Sinne der Erfindung eine Ausnehmung zu verstehen, welche geeignet ist, ein Expansionsorgan derart aufzunehmen, dass dieses Expansionsorgan im Kältemittelstrom zwischen einer Wärmetauschereinrichtung und einem Verdampfer eine Expansion des Kältemittels bewirken kann.
In einer weiteren bevorzugten Weiterbildung der Verdampfer-Wärmetauscher-Einheit ist das Expansionsorgan im Kältemittelstrom zwischen der Wärmetauschereinrichtung und dem Verdampfer angeordnet, wobei das Expansionsorgan mit einem der Gehäuseteile insbesondere fest und wenigstens mittelbar verbunden ist. Das Expansionsorgan ist dabei bevorzugt derart angeordnet, dass der Kältemittelstrom durch das Expansionsorgan unmittelbar der Einlassausnehmung des Gehäuses zugeführt werden kann oder dass der Kältemittelstrom durch die Einlassausnehmung des Gehäuses unmittelbar dem Expansionsorgan zugeführt werden kann.
In einer weiteren bevorzugten Weiterbildung der Verdampfer-Wärmetauscher-Einheit weist der Sammler-Ausgleichsbehälter einen Sammler-Ausgleichsbehältertopf und einen Sammler-Ausgleichsbehälterdeckel auf. Der Sammler-Ausgleichsbehältertopf ist insbesondere zum Sammeln von Kältemittel vorgesehen. Der Sammler-Ausgleichsbehälterdeckel umschließt gemeinsam mit dem Sammler-Ausgleichsbehältertopf ein inneres Volumen des Sammler-Ausgleichsbehälters. Der Verbindungskanal und/ oder der Auslasskanal ist bevorzugt am Sammler-Ausgleichsbehälterdeckel oder am Sammler-Ausgleichsbehältertopf angeordnet.
In einer weiteren bevorzugten Weiterbildung der Verdampfer-Wärmetauscher-Einheit sind der Sammler-Ausgleichsbehälterdeckel und eines der Gehäuseteile im Wesentlichen einstückig als ein Deckel der Verdampfer-Wärmetauscher-Einheit ausgebildet. Dieser Deckel der Verdampfer-Wärmetauscher-Einheit ist sowohl mit dem wenigstens einen anderen Gehäuseteil als auch mit dem Sammler-Ausgleichsbehältertopf jeweils verbunden.In the context of the invention, an expansion organ recess is to be understood as a recess which is suitable for accommodating an expansion organ in such a way that it Expansion device in the refrigerant flow between a heat exchanger device and an evaporator can cause an expansion of the refrigerant.
In a further preferred development of the evaporator-heat exchanger unit, the expansion element is arranged in the refrigerant flow between the heat exchanger device and the evaporator, the expansion element being in particular firmly and at least indirectly connected to one of the housing parts. The expansion member is preferably arranged such that the refrigerant flow through the expansion member can be fed directly to the inlet recess of the housing or that the refrigerant stream can be fed directly to the expansion member through the inlet recess of the housing.
In a further preferred development of the evaporator-heat exchanger unit, the header expansion tank has a header tank and a header tank cover. The header tank is especially designed to collect refrigerant. The header tank cover, together with the header tank head, encloses an inner volume of the header tank. The connecting channel and / or the outlet channel is preferably arranged on the header tank cover or on the header tank head.
In a further preferred development of the evaporator-heat exchanger unit, the header tank cover and one of the housing parts are essentially designed in one piece as a cover of the evaporator-heat exchanger unit. This cover of the evaporator-heat exchanger unit is connected both to the at least one other housing part and to the header tank.

Unter einem Deckel der Verdampfer-Wärmetauscher-Einheit ist dabei im Sinne der Erfindung ein Deckel zu verstehen, welcher, gemeinsam mit dem wenigstens einen anderen Gehäuseteil des Gehäuses den Innenraum des Gehäuses umschließt, und welcher, gemeinsam mit dem Sammler-Ausgleichsbehältertopf, ein inneres Volumen des Sammler-Ausgleichsbehälters umschließt. Dieses innere Volumen des Sammler-Ausgleichsbehälters, welches im Innenraum des Gehäuses angeordnet ist, ist von diesem Innenraum des Gehäuses im Wesentlichen kältemitteldicht und kühlmitteldicht abgegrenzt.A lid of the evaporator-heat exchanger unit is to be understood in the sense of the invention as a lid which, together with the at least one other housing part of the housing, encloses the interior of the housing and which, together with the header reservoir, has an inner volume of the header reservoir. This inner volume of the header tank, which is arranged in the interior of the housing, is essentially delimited from this interior of the housing in a manner that is leakproof and coolant-tight.

Die Verbindung des Deckels der Verdampfer-Wärmetauscher-Einheit mit dem Sammler-Ausgleichsbehältertopf ist bevorzugt als Lötverbindung oder als Schweißverbindung ausgebildet. Die Verbindungen des Deckels der Verdampfer-Wärmetauscher-Einheit mit dem wenigstens einen anderen Gehäuseteil sind bevorzugt als Schraubverbindungen ausgebildet, insbesondere als Schraubverbindungen mit mehreren Schrauben.The connection of the cover of the evaporator-heat exchanger unit to the header tank is preferably designed as a soldered connection or as a welded connection. The connections of the cover of the evaporator-heat exchanger unit to the at least one other housing part are preferably designed as screw connections, in particular as screw connections with several screws.

In einer weiteren bevorzugten Weiterbildung der Verdampfer-Wärmetauscher-Einheit ist der Deckel der Verdampfer-Wärmetauscher-Einheit als eine Verteilerplatte ausgebildet, wobei in dieser Verteilerplatte wenigstens eine Einlassausnehmung, eine Auslassausnehmung, ein Verbindungskanal und ein Auslasskanal angeordnet sind.In a further preferred development of the evaporator-heat exchanger unit, the cover of the evaporator-heat exchanger unit is designed as a distributor plate, at least one inlet recess, one outlet recess, a connecting duct and one outlet duct being arranged in this distributor plate.

Unter einer Verteilerplatte ist im Sinne der Erfindung ein Deckel der Verdampfer-Wärmetauscher-Einheit zu verstehen, welcher derart ausgeprägt ist, dass er die Leitung des Kältemittels jeweils von der Wärmetauschereinrichtung zum Expansionsorgan, vom Expansionsorgan zum Verdampfer, vom Verdampfer zum Sammler-Ausgleichsbehälter und vom Sammler-Ausgleichsbehälter zur Wärmetauschereinrichtung übernehmen kann.In the context of the invention, a distributor plate is to be understood as a cover of the evaporator-heat exchanger unit, which is designed in such a way that it conducts the refrigerant from the heat exchanger device to the expansion element, from the expansion element to the evaporator, from the evaporator to the header tank and from Collector expansion tank can take over to the heat exchanger device.

In einer weiteren bevorzugten Weiterbildung der Verdampfer-Wärmetauscher-Einheit ist das Expansionsorgan in der Einlassausnehmung der Verteilerplatte angeordnet.In a further preferred development of the evaporator-heat exchanger unit, the expansion element is arranged in the inlet recess of the distributor plate.

In einer weiteren bevorzugten Weiterbildung der Verdampfer-Wärmetauscher-Einheit ist dieser Verdampfer im Wesentlichen als gebogenes Rohr zum Leiten von Kältemittel ausgebildet. Bevorzugt ist der Verdampfer dabei als im Wesentlichen spiralförmig um den Sammler-Ausgleichsbehälter verlaufendes Rohr angeordnet, besonders bevorzugt mit einer Vielzahl von Wicklungen, welche einreihig, zweireihig oder mehrreihig angeordnet sind. Insbesondere ist das bevorzugt gebogene Rohr derart ausgebildet, dass seine gesamte Länge jedes der Außenabmaße des Verdampfers um ein Vielfaches übertrifft. Dadurch wird insbesondere eine für den Wärmeaustausch vorteilhafte, große Oberfläche der Kältemittel leitenden Elemente des Verdampfers erreicht.In a further preferred development of the evaporator-heat exchanger unit, this evaporator is essentially designed as a bent tube for conducting refrigerant. In this case, the evaporator is preferably arranged as a tube running essentially spirally around the header reservoir, particularly preferably with a plurality of windings which are arranged in one row, two rows or in multiple rows. In particular, the preferably bent tube is designed in such a way that its entire length exceeds each of the outer dimensions of the evaporator by a multiple. As a result, a large surface area of the refrigerant-conducting elements of the evaporator, which is advantageous for heat exchange, is achieved in particular.

Es ist aber auch möglich, den Verdampfer mehrteilig, vorzugsweise aus gebogenen, rohrförmigen Elementen aufzubauen, welche jeweils aneinander oder an einem oder mehreren Strukturteilen gehalten sind.However, it is also possible to construct the evaporator in several parts, preferably from curved, tubular elements which are each held to one another or to one or more structural parts.

In einer weiteren bevorzugten Weiterbildung der Verdampfer-Wärmetauscher-Einheit ist dieser Verdampfer als Rohr aus einem gut wärmeleitenden Material, insbesondere Metall ausgebildet. In einer besonders bevorzugten Weiterbildung ist der Verdampfer aus einem extrudierten Profil mit längsorientierter Verrippung ausgebildet, wobei neben einer an der Außenseite des Profils angeordneten Verrippung auch im Inneren des Profils eine Verrippung vorgesehen sein kann. Innerhalb dieses bevorzugt aus Aluminium ausgebildeten Profils wird Kältemittel geleitet.In a further preferred development of the evaporator-heat exchanger unit, this evaporator is designed as a tube made of a good heat-conducting material, in particular metal. In a particularly preferred development, the evaporator is formed from an extruded profile with longitudinally oriented ribbing, and in addition to ribbing arranged on the outside of the profile, ribbing can also be provided in the interior of the profile. Refrigerant is conducted within this profile, which is preferably made of aluminum.

In einer weiteren besonders bevorzugten Weiterbildung ist der Verdampfer aus einem Profil mit querorientierter Verrippung ausgebildet, wobei innerhalb dieses bevorzugt aus Aluminium ausgebildeten Profils Kältemittel geleitet wird. In einer anderen bevorzugten Ausführung ist diese Verrippung dabei im Wesentlichen gehäuseseitig ausgebildet, wodurch insbesondere der Wärmetransfer zwischen dem Verdampfer und dem im Innenraum des Gehäuses befindlichen Kühlmittels verbessert wird.In a further particularly preferred development, the evaporator is formed from a profile with transversely oriented ribbing, with refrigerant being conducted within this profile, which is preferably made from aluminum. In another preferred embodiment, this ribbing is essentially formed on the housing side, which in particular improves the heat transfer between the evaporator and the coolant located in the interior of the housing.

Beispielhafte Ausführungen der erfindungsgemäßen Verdampfer-Wärmetauscher-Einheit ergeben sich aus den nachfolgenden Beschreibungen in Zusammenhang mit den Figuren, welche im Einzelnen zeigen:

Fig. 1:
eine beispielhafte Ausführung einer erfindungsgemäßen Verdampfer-Wärmetauscher-Einheit;
Fig. 2:
eine Schnittansicht der beispielhaften Ausführung einer erfindungsgemäßen Verdampfer-Wärmetauscher-Einheit aus Fig. 1;
Fig. 3:
eine weitere Schnittansicht der beispielhaften Ausführung einer erfindungsgemäßen Verdampfer-Wärmetauscher-Einheit aus Fig. 1;
Fig. 4:
eine in der Verteilerplatte geschnittene Ansicht der beispielhaften Ausführung einer erfindungsgemäßen Verdampfer-Wärmetauscher-Einheit aus Fig. 1;
Fig. 5:
eine 3D-Darstellung der beispielhaften Ausführung einer erfindungsgemäßen Verdampfer-Wärmetauscher-Einheit aus Fig. 1;
Fig. 6:
eine weitere 3D-Darstellung der beispielhaften Ausführung einer erfindungsgemäßen Verdampfer-Wärmetauscher-Einheit aus Fig. 1.
Exemplary designs of the evaporator-heat exchanger unit according to the invention result from the following descriptions in connection with the figures, which show in detail:
Fig. 1:
an exemplary embodiment of an evaporator-heat exchanger unit according to the invention;
Fig. 2:
a sectional view of the exemplary embodiment of an evaporator heat exchanger unit according to the invention Fig. 1 ;
Fig. 3:
a further sectional view of the exemplary embodiment of an evaporator-heat exchanger unit according to the invention Fig. 1 ;
Fig. 4:
a sectional view in the distributor plate of the exemplary embodiment of an evaporator-heat exchanger unit according to the invention Fig. 1 ;
Fig. 5:
a 3D representation of the exemplary embodiment of an evaporator-heat exchanger unit according to the invention Fig. 1 ;
Fig. 6:
a further 3D representation of the exemplary embodiment of an evaporator-heat exchanger unit according to the invention Fig. 1 .

Fig. 1 zeigt eine beispielhafte Ausführung einer erfindungsgemäßen Verdampfer-Wärmetauscher-Einheit. In dieser beispielhaften Ausführung weist das Gehäuse 10 der Verdampfer-Wärmetauscher-Einheit 1 ein erstes Gehäuseteil 15 und ein zweites Gehäuseteil 17 auf. Dabei ist das erste Gehäuseteil 15 als Verteilerplatte 16 und gleichzeitig als Sammler-Ausgleichsbehälterdeckel 36 ausgebildet. In dieser beispielhaften Ausführung ist das erste Gehäuseteil 15 aus einem Metallwerkstoff ausgebildet. Fig. 1 shows an exemplary embodiment of an evaporator-heat exchanger unit according to the invention. In this exemplary embodiment, the housing 10 of the evaporator heat exchanger unit 1 has a first housing part 15 and a second housing part 17. The first housing part 15 is designed as a distributor plate 16 and at the same time as a header tank 36. In this exemplary embodiment, the first housing part 15 is formed from a metal material.

In der Verteilerplatte 16 ist jeweils eine Bohrung für den Verbindungskanal 31 und für die Expansionsorganausnehmung 13 ausgebildet, wobei der Verbindungskanal 31 durch die Dichtung 31a und die Expansionsorganausnehmung 13 durch die Dichtung 13a druckfest und fluiddicht gegenüber der Umgebung der Verdampfer-Wärmetauscher-Einheit 1 abgedichtet ist.A hole is formed in the distributor plate 16 for the connecting duct 31 and for the expansion organ recess 13, the connecting duct 31 being sealed pressure-tight and fluid-tight with respect to the surroundings of the evaporator heat exchanger unit 1 by the seal 31a and the expansion organ recess 13 by the seal 13a .

Bezogen auf die Längsachse der Verdampfer-Wärmetauscher-Einheit 1, ist auf derjenigen Seite der Verteilerplatte 16, welche nicht mit dem zweiten Gehäuseteil 17 verbunden ist, eine Wärmetauschereinrichtung 50 angeordnet. Diese Wärmetauschereinrichtung 50 ist als Plattenwärmetauscher ausgebildet, d. h. sie weist ein Paket aus mehreren miteinander verlöteten, jeweils mit einer bestimmten Kontur ausgebildeten Blechen auf. Die Konturen dieser verlöteten Bleche sind derart ausgebildet, dass sie eine Leitung von Kältemittel in zwei separaten Kanälen, einem ersten Kanal 51 und einem zweiten Kanal 52 (beide in Fig. 1 nicht dargestellt) ermöglichen.In relation to the longitudinal axis of the evaporator heat exchanger unit 1, a heat exchanger device 50 is arranged on that side of the distributor plate 16 which is not connected to the second housing part 17. This heat exchanger device 50 is designed as a plate heat exchanger, ie it has a package of a plurality of sheets which are soldered to one another and each have a specific contour. The contours of these soldered sheets are designed such that they conduct a line of refrigerant in two separate channels, a first channel 51 and a second channel 52 (both in Fig. 1 enable).

Auf der gehäuseschraubenfernen Seite der Wärmetauschereinrichtung 50 ist ein Kältemitteldock 60 angeordnet, welches Schnittstellen zur Kältemittelzu- und -abfuhr (beide in Fig. 1 nicht dargestellt) aufweist.A refrigerant dock 60 is arranged on the side of the heat exchanger device 50 remote from the housing screw, which interfaces for the refrigerant supply and removal (both in Fig. 1 not shown).

Das zweite Gehäuseteil 17 weist eine Einlassöffnung 12a auf, welche als Kühlmittelzufuhr 71 dient, sowie eine Auslassöffnung 12b, welche als Kühlmittelabfuhr 72 dient. In dieser beispielhaften Ausführung ist das zweite Gehäuseteil 17 aus einem Kunststoffwerkstoff ausgebildet, kann jedoch auch aus anderen Werkstoffen wie beispielsweise einem Kunststoff-Verbundwerkstoff oder einem Metallwerkstoff ausgebildet sein.
Das erste Gehäuseteil 15 und das zweite Gehäuseteil 17 sind in dieser Ausführungsform durch acht Gehäuseschrauben 81 lösbar miteinander verbunden, können jedoch in anderen Ausführungsformen auch in anderer Weise miteinander lösbar verbunden sein.The second housing part 17 has an inlet opening 12a, which serves as a coolant supply 71, and an outlet opening 12b, which serves as a coolant discharge 72. In this exemplary embodiment, the second housing part 17 is made of a plastic material, but can also be made of other materials such as a plastic composite material or a metal material.
In this embodiment, the first housing part 15 and the second housing part 17 are releasably connected to one another by eight housing screws 81, but can also be releasably connected to one another in other embodiments in other embodiments.

In der Beschreibung der nachfolgenden Figuren werden im Wesentlichen gleich ausgebildete Elemente der Verdampfer-Wärmetauscher-Einheit mit den gleichen Bezugszeichen wie die entsprechenden Elemente der Verdampfer-Wärmetauscher-Einheit in Fig. 1 bezeichnet.In the description of the following figures, essentially identical elements of the evaporator-heat exchanger unit are given the same reference numerals as the corresponding elements of the evaporator-heat exchanger unit in FIG Fig. 1 designated.

Fig. 2 zeigt eine Schnittansicht in der Ebene B-B der beispielhaften Ausführung einer erfindungsgemäßen Verdampfer-Wärmetauscher-Einheit 1 aus Fig. 1. In dieser Ausführung wird mittels einer Kältemittelzufuhr 61 (in Fig. 2 nicht dargestellt) des Kältemitteldocks 60 Kältemittel in den ersten Kanal 51 der Wärmetauschereinrichtung 50 eingeführt. Dabei wird in der Wärmetauschereinrichtung 50, welche in dieser beispielhaften Ausführung als Plattenwärmetauscher ausgebildet ist, Wärme von dem Kältemittel im ersten Kanal 51 an das Kältemittel im zweiten Kanal 52 übertragen.
Das Kältemittel aus dem ersten Kanal 51 strömt anschließend aus dem ersten Kanal 51 in die Expansionsorganausnehmung 13 (in Fig. 2 nicht dargestellt), welche aus dem ersten Gehäuseteil 15 des Gehäuses 10 ausgenommen ist, wobei in dieser beispielhaften Ausführung das erste Gehäuseteil 15 als Verteilerplatte 16 ausgebildet ist.
Von der Expansionsorganausnehmung 13 fließt das Kältemittel zur Einlassausnehmung 11a, anschließend wird das Kältemittel dem Verdampfer 20 zugeführt, wo es in der Verdampferrohrschlange 21 geführt wird. Die Verdampferrohrschlange 21 ist dabei als spiralförmig gebogenes Rohr ausgeführt, welches sich in einer Vielzahl von Windungen um den Sammler-Ausgleichsbehälter 30 erstreckt, wobei das Kältemittel in einem äußeren Windungspaket von der Verteilerplatte 16 weggeführt und in einem inneren Windungspaket wieder Richtung Verteilerplatte 16 geführt wird. Die Verdampferrohrschlange 21 weist jedoch auch einen nicht spiralförmigen gebogenen Teil auf, mittels welchem das Kältemittel nach Durchlaufen des spiralförmigen Teils der Verdampferrohrschlange 21 dem Verbindungskanal 31 des Sammler-Ausgleichsbehälters 30 zugeführt wird. Während das Kältemittel den Verdampfer 20 durchläuft, steigt der Anteil des gasförmig vorliegenden Kältemittels, wobei der Anteil des flüssig vorliegenden Kältemittels sinkt. Fig. 2 shows a sectional view in the plane BB of the exemplary embodiment of an evaporator heat exchanger unit 1 according to the invention Fig. 1 . In this embodiment, a refrigerant supply 61 (in Fig. 2 not shown) of the refrigerant dock 60 introduced refrigerant into the first channel 51 of the heat exchanger device 50. In this case, heat is transferred from the refrigerant in the first channel 51 to the refrigerant in the second channel 52 in the heat exchanger device 50, which is designed as a plate heat exchanger in this exemplary embodiment.
The refrigerant from the first channel 51 then flows from the first channel 51 into the expansion organ recess 13 (in Fig. 2 not shown), which is excluded from the first housing part 15 of the housing 10, the first housing part 15 being designed as a distributor plate 16 in this exemplary embodiment.
The refrigerant flows from the expansion organ recess 13 to the inlet recess 11a, then the refrigerant is fed to the evaporator 20, where it is guided in the evaporator coil 21. The evaporator coil 21 is in the form of a spiral bent pipe, which extends in a plurality of turns around the header expansion tank 30, the refrigerant being guided away from the distributor plate 16 in an outer winding packet and again being directed towards the distributor plate 16 in an inner winding packet. However, the evaporator coil 21 also has a non-spiral bent part, by means of which the refrigerant, after passing through the spiral part of the evaporator coil 21, is fed to the connecting channel 31 of the header reservoir 30. As the refrigerant passes through the evaporator 20, the proportion of the gaseous refrigerant increases, the proportion of the liquid refrigerant decreasing.

Die dazu benötigte Energie wird dem Kältemittel insbesondere über einen Wärmetransfer von einem Kühlmittel zugeführt, welches die Verdampferrohrschlange 21 des Verdampfers 20 umspült, wobei es den Innenraum 18 des Gehäuses 10 durchfließt, also zwischen den Wänden des zweiten Gehäuseteils 17, der Verteilerplatte 16 und des Sammler-Ausgleichsbehältertopfs 35 aufgenommen ist. Die Kühlmittelzufuhr 71 erfolgt in dieser beispielhaften Ausführung über die Einlassöffnung 12a des zweiten Gehäuseteils 17. Nach erfolgtem Wärmetransfer von dem Kühlmittel auf das Kältemittel im Verdampfer 20 erfolgt die Kühlmittelabfuhr 72 über die Auslassöffnung 12b des zweiten Gehäuseteils 17, wobei bevorzugt ein kontinuierlicher Kühlmitteldurchfluss durch den Innenraum 18 des Gehäuses 10 vorgesehen ist.The energy required for this is supplied to the refrigerant, in particular via a heat transfer, from a coolant which flows around the evaporator coil 21 of the evaporator 20, it flowing through the interior 18 of the housing 10, i.e. between the walls of the second housing part 17, the distributor plate 16 and the collector Expansion tank pot 35 is added. In this exemplary embodiment, the coolant supply 71 takes place via the inlet opening 12a of the second housing part 17. After the heat has been transferred from the coolant to the refrigerant in the evaporator 20, the coolant is removed 72 via the outlet opening 12b of the second housing part 17, preferably a continuous coolant flow through the interior 18 of the housing 10 is provided.

Fig. 3 zeigt eine weitere Schnittansicht der beispielhaften Ausführung einer erfindungsgemäßen Verdampfer-Wärmetauscher-Einheit 1 aus Fig. 1 in der Ebene A-A, deren Verlauf auch der Darstellung in Fig. 2 entnommen werden kann. Nachdem das Kältemittel den Verdampfer 20 durchlaufen hat, wird es über den Verbindungskanal 31 in den Sammler-Ausgleichsbehälter 30 überführt, wo sich wenigstens ein Teil des flüssig vorliegenden Anteils des Kältemittels im Sammler-Ausgleichsbehältertopf 35 sammelt. Aus dem Sammler-Ausgleichsbehälter 30 wird eine von den Betriebsbedingungen im Kältemittelkreislauf des Heiz-Kühl-Moduls abhängige Menge an Kältemittel über den Auslasskanal 32 sowie die Auslassausnehmung 11b (in Fig. 3 nicht dargestellt) des Gehäuses 10 wiederum der Wärmetauschereinrichtung 50 in deren zweitem Kanal 52 zugeführt, um dort Wärme aus dem Kältemittel im ersten Kanal 51 der Wärmetauschereinrichtung 50 aufzunehmen. Fig. 3 shows a further sectional view of the exemplary embodiment of an evaporator-heat exchanger unit 1 according to the invention Fig. 1 in level AA, the course of which is also shown in Fig. 2 can be removed. After the refrigerant has passed through the evaporator 20, it is transferred via the connecting channel 31 into the header reservoir 30, where at least part of the liquid portion of the refrigerant collects in the header reservoir 35. A quantity of refrigerant, which is dependent on the operating conditions in the refrigerant circuit of the heating / cooling module, is converted from the header expansion tank 30 via the outlet channel 32 and the outlet recess 11b (in Fig. 3 not shown) of the housing 10 in turn is fed to the heat exchanger device 50 in its second channel 52 in order to absorb heat from the refrigerant in the first channel 51 of the heat exchanger device 50.

Nach Durchlaufen dieses zweiten Kanals 52 der Wärmetauschereinrichtung 50 erfolgt die Kältemittelabfuhr 62 (in Fig. 3 nicht dargestellt) vom Kältemitteldock 60 aus der Verdampfer-Wärmetauscher-Einheit 1 an weitere Komponenten des Heiz-Kühl-Moduls, in dieser beispielhaften Ausführung an den Verdichter.After passing through this second channel 52 of the heat exchanger device 50, the refrigerant is removed 62 (in Fig. 3 not shown) from the refrigerant dock 60 from the evaporator heat exchanger unit 1 to further components of the heating / cooling module, in this exemplary embodiment to the compressor.

Der Innenraum 18 des Gehäuses 10 wird in dieser beispielhaften Ausführung von der Verteilerplatte 16 und dem zweiten Gehäuseteil 17 umschlossen, wobei Verteilerplatte 16 und zweites Gehäuseteil 17 mittels einer Vielzahl von Gehäuseschrauben 81 miteinander verschraubt sind. An der Verteilerplatte 16, welche in dieser beispielhaften Ausführung auch die Funktion des Sammler-Ausgleichsbehälterdeckels 36 übernimmt, ist der Sammler-Ausgleichsbehältertopf 35 mittels einer Lötverbindung fluid- und druckdicht angeordnet.In this exemplary embodiment, the interior 18 of the housing 10 is enclosed by the distributor plate 16 and the second housing part 17, the distributor plate 16 and the second housing part 17 being screwed to one another by means of a multiplicity of housing screws 81. On the distributor plate 16, which in this exemplary embodiment also takes on the function of the header tank 36, the header tank 35 is arranged in a fluid and pressure-tight manner by means of a soldered connection.

Fig. 4 zeigt eine in der Verteilerplatte 16 geschnittene Ansicht der beispielhaften Ausführung einer erfindungsgemäßen Verdampfer-Wärmetauscher-Einheit 1 aus Fig. 1 (Schnittebene D-D). In der Einlassausnehmung 11a wird das Kältemittel von der Expansionsorganausnehmung 13 abgeführt. Davor ist ein Expansionsorgan 40 angeordnet, das beispielhaft als Festdrossel 41 ausgebildet ist. Die Expansionsorganausnehmung 13 ist dabei als ein Teil der Einlassausnehmung 11a ausgebildet. An der Festdrossel 41 entspannt sich das Kältemittel, wodurch der Druck des Kältemittels im Kältemittelstrom nach dem Passieren des Expansionsorgans 40 sinkt. Ebenso sinkt die Temperatur des Kältemittels. Fig. 4 shows a sectional view in the distributor plate 16 of the exemplary embodiment of an evaporator heat exchanger unit 1 according to the invention Fig. 1 (Section plane DD). The refrigerant is discharged from the expansion organ recess 13 in the inlet recess 11a. An expansion element 40 is arranged in front of it, which is designed as a fixed throttle 41, for example. The expansion organ recess 13 is formed as part of the inlet recess 11a. The refrigerant relaxes at the fixed throttle 41, as a result of which the pressure of the refrigerant in the refrigerant flow drops after passing through the expansion element 40. The temperature of the refrigerant also drops.

Nach dem Passieren der Festdrossel 41 liegt das Kältemittel in der Einlassausnehmung 11a zu einem großen Anteil flüssig und zu einem kleinen Anteil gasförmig vor und wird über die Kältemittelschnittstelle 33 dem Verdampfer 20 in seiner Verdampferrohrschlange 21 zugeführt.After passing through the fixed throttle 41, the refrigerant is in the inlet recess 11a largely liquid and to a small extent gaseous and is supplied to the evaporator 20 in its evaporator coil 21 via the refrigerant interface 33.

Nachdem das Kältemittel den Verdampfer 20 durchlaufen hat, wird es über die Kältemittelschnittstelle 34 mittels des Verbindungskanals 31, welchen es durchläuft, in den Sammler-Ausgleichsbehälter 30 eingespeist.After the refrigerant has passed through the evaporator 20, it is fed into the header expansion tank 30 via the refrigerant interface 34 by means of the connecting channel 31 through which it passes.

In der Verteilerplatte 16 ist zusätzlich die Auslassausnehmung 11b - mit dem Auslasskanal 32 - angeordnet, wobei über den Auslasskanal 32 und die Auslassausnehmung 11b Kältemittel aus dem Sammler-Ausgleichsbehälter 30 in den zweiten Kanal 52 der Wärmetauschereinrichtung geführt wird.In the distributor plate 16, the outlet recess 11b - with the outlet duct 32 - is additionally arranged, with refrigerant being led from the header expansion tank 30 into the second duct 52 of the heat exchanger device via the outlet duct 32 and the outlet recess 11b.

Fig. 5 und Fig. 6 zeigen zwei verschiedene 3D-Schnittansichten der beispielhaften Ausführung einer erfindungsgemäßen Verdampfer-Wärmetauscher-Einheit 1 aus Fig. 1. Damit soll die Anordnung der einzelnen Bauteile zueinander weiter verdeutlicht werden. Insbesondere ist die Anordnung der Kältemittelzufuhr 61 und der Kältemittelabfuhr 62 am Kältemitteldock 60 dargestellt, welche aus den vorherigen Figuren nicht hervorgegangen war. Fig. 5 and Fig. 6 show two different 3D sectional views of the exemplary embodiment of an evaporator-heat exchanger unit 1 according to the invention Fig. 1 . This is intended to further clarify the arrangement of the individual components relative to one another. In particular, the arrangement of the refrigerant supply 61 and the refrigerant discharge 62 on the refrigerant dock 60 is shown, which had not emerged from the previous figures.

Zusätzlich wird der Weg des Kältemittels, beginnend bei der Kältemittelzufuhr 61, durch die Wärmetauschereinrichtung 50, durch das Expansionsorgan 40, durch den Verdampfer 20 und durch den Sammler-Ausgleichsbehälter 30 bis zur Kältemittelabfuhr 62 veranschaulicht.In addition, the path of the refrigerant, starting with the refrigerant supply 61, through the heat exchanger device 50, through the expansion element 40, through the evaporator 20 and through the header expansion tank 30 to the refrigerant discharge 62 is illustrated.

Der erste Kanal 51 der Wärmetauschereinrichtung 50 ist an der Kältemittelzufuhr 61 beginnend angeordnet. Er ist in seinem weiteren Verlauf ausgebildet durch ein Paket aus mehreren miteinander verlöteten, jeweils in eine bestimmte Kontur gestanzten Blechen, wobei durch diese gestanzte Kontur ein vom zweiten Kanal 52 abgetrennter Kältemittel leitender Hohlraum entsteht, in welchem das Kältemittel der Expansionsorganausnehmung 13 zugeführt wird. Im analog ausgebildeten zweiten Kanal 52 wird das Kältemittel nach Durchlaufen des Verdampfers 20 vom Sammler-Ausgleichsbehälter 30 an die Kältemittelabfuhr überführt. Zwischen den Kältemittelströmen im ersten Kanal 51 und im zweiten Kanal 52 erfolgt durch diese Ausbildung eine gute Wärmeübertragung an das Kältemittel im zweiten Kanal 52.The first channel 51 of the heat exchanger device 50 is arranged starting at the refrigerant supply 61. In its further course, it is formed by a package of a plurality of sheets which are soldered to one another and each stamped into a specific contour, this stamped contour forming a refrigerant-conducting cavity which is separated from the second channel 52 and in which the refrigerant is supplied to the expansion organ recess 13. After passing through the evaporator 20, the refrigerant is transferred from the header tank 30 to the refrigerant discharge in the second channel 52, which is designed analogously. Good heat transfer to the refrigerant in the second channel 52 takes place between the refrigerant flows in the first channel 51 and in the second channel 52.

BezugszeichenlisteReference list

11
Verdampfer-Wärmetauscher-EinheitEvaporator heat exchanger unit
1010th
Gehäusecasing
11a11a
EinlassausnehmungInlet recess
11b11b
AuslassausnehmungOutlet recess
12a12a
EinlassöffnungInlet opening
12b12b
AuslassöffnungOutlet opening
1313
ExpansionsorganausnehmungExpansion organ recess
13a13a
Dichtungpoetry
1515
erstes Gehäuseteilfirst housing part
1616
VerteilerplatteDistribution plate
1717th
zweites Gehäuseteilsecond housing part
1818th
Innenrauminner space
2020
VerdampferEvaporator
2121
VerdampferrohrschlangeEvaporator tube coil
3030th
Sammler-AusgleichsbehälterCollector expansion tank
3131
VerbindungskanalConnecting channel
31a31a
Dichtungpoetry
3232
AuslasskanalExhaust duct
3333
Kältemittelschnittstelle zum VerdampferRefrigerant interface to the evaporator
3434
Kältemittelschnittstelle vom VerdampferRefrigerant interface from the evaporator
3535
Sammler-AusgleichsbehältertopfCollector reservoir tank
3636
Sammler-AusgleichsbehälterdeckelCollector reservoir cap
4040
ExpansionsorganExpansion organ
4141
FestdrosselFixed throttle
5050
WärmetauschereinrichtungHeat exchanger device
5151
erster Kanalfirst channel
5252
zweiter Kanalsecond channel
6060
KältemitteldockRefrigerant dock
6161
KältemittelzufuhrRefrigerant supply
6262
KältemittelabfuhrRefrigerant removal
7171
KühlmittelzufuhrCoolant supply
7272
KühlmittelabfuhrCoolant discharge
8181
GehäuseschraubeHousing screw

Claims (15)

  1. Evaporator heat exchanger unit (1) for a heating-cooling module for a motor vehicle, having at least
    - one collector expansion tank (30) for collecting a cooling agent, and
    - one evaporator (20), by means of which at least one part of the cooling agent is transferable into a gaseous state,
    one housing (10) which consists of at least two parts (15, 17) releasably connected with one another and which encloses an inner chamber (18), wherein in this inner chamber (18) the collector expansion tank (30), the evaporator (20) and a cooling agent are disposed, and wherein
    on this housing (10) an expansion element (40) is disposed by means of which cooling agent is supplied to the evaporator (20).
  2. Evaporator heat exchanger unit (1) according to claim 1, wherein this evaporator (20) is disposed substantially around the collector expansion tank (30).
  3. Evaporator heat exchanger unit (1) according to any of the preceding claims, wherein the housing (10) has at least one inlet recess (11a) through which cooling agent can be guided into the evaporator (20), and at least one outlet recess (11b) through which cooling agent can be guided out of the collector expansion tank (30).
  4. Evaporator heat exchanger unit (1) according to any of the preceding claims, wherein on the housing (10) on the outside of the housing a heat exchanger device (50) is disposed, wherein
    at least two channels (51, 52), distanced from one another, extend in the heat exchanger device (50), and wherein in a first channel (51) a cooling agent flow is guided to the expansion element (40) and in a second channel (52) a cooling agent flow is guided out of the collector expansion tank (30) in such a manner that heat can be exchanged between the cooling agent flows.
  5. Evaporator heat exchanger unit (1) according to any of the preceding claims, wherein this housing (10) has at least one inlet opening (12a) through which cooling agent can be guided into the inner chamber (18) enclosed by the housing, and has at least one outlet opening (12b) through which cooling agent can be guided out of the inner chamber (18) enclosed by the housing (10).
  6. Evaporator heat exchanger unit (1) according to any of the preceding claims, wherein the collector expansion tank (30) has at least one connecting channel (31) through which cooling agent can be guided into the collector expansion tank (30), and has at least one outlet channel (32) through which cooling agent can be guided out of the collector expansion tank (30).
  7. Evaporator heat exchanger unit (1) according to any of claims 4 to 6, wherein this expansion element (40) is disposed in the cooling agent flow between the heat exchanger device (50) and the evaporator (20), wherein the expansion element (40) is formed in an expansion element recess (13) of one of the housing parts (15, 17).
  8. Evaporator heat exchanger unit (1) according to any of claims 4 to 6, wherein this expansion element (40) is disposed in the cooling agent flow between the heat exchanger device (50) and the evaporator (20), wherein the expansion element (40) is connected with one of the housing parts (15, 17).
  9. Evaporator heat exchanger unit (1) according to any of the preceding claims, wherein the collector expansion tank (30) has a collector expansion tank pot (35) and a collector expansion tank lid (36).
  10. Evaporator heat exchanger unit (1) according to claim 9, wherein one of the housing parts (15) and the collector expansion tank lid (36) are formed substantially integrally as a lid of the evaporator heat exchanger unit, wherein
    this lid of the evaporator heat exchanger unit is respectively connected with the at least one other housing part (15) and with the collector expansion tank pot (35).
  11. Evaporator heat exchanger unit (1) according to claim 9, wherein the lid of the evaporator heat exchanger unit is in the form of a distributor plate (16), wherein
    in this distributor plate (16) at least one inlet recess (11a), one outlet recess (11b), one connecting channel (31) and one outlet channel (32) are disposed.
  12. Evaporator heat exchanger unit (1) according to claim 10, wherein a part of the inlet recess (11a) of this distributor plate (16) is in the form of an expansion element recess (13) and the expansion element (40) is disposed in this expansion element recess (13).
  13. Evaporator heat exchanger unit (1) according to any of the preceding claims, wherein this evaporator (20) is formed substantially as a curved pipe (21) for guiding cooling agent.
  14. Evaporator heat exchanger unit (1) according to any of the preceding claims, wherein this evaporator (20) is formed as an extruded metal profile, in particular as an aluminium profile, having a longitudinally oriented ribbing, wherein cooling agent is guided within this metal profile.
  15. Evaporator heat exchanger unit (1) according to any of claims 1 to 13, wherein this evaporator (20) is formed as an extruded metal profile, in particular as an aluminium profile, having a transversely oriented ribbing, wherein cooling agent is guided within this metal profile.
EP12759003.2A 2011-08-31 2012-08-24 Evaporator heat exchanger unit Active EP2751502B8 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102011111964A DE102011111964A1 (en) 2011-08-31 2011-08-31 Evaporator heat exchanger unit
PCT/EP2012/003590 WO2013029769A1 (en) 2011-08-31 2012-08-24 Evaporator heat exchanger unit

Publications (3)

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EP2751502A1 EP2751502A1 (en) 2014-07-09
EP2751502B1 true EP2751502B1 (en) 2020-03-11
EP2751502B8 EP2751502B8 (en) 2020-04-15

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US (1) US10024587B2 (en)
EP (1) EP2751502B8 (en)
JP (1) JP6072037B2 (en)
KR (1) KR20140105429A (en)
CN (1) CN103765130B (en)
DE (2) DE102011111964A1 (en)
WO (1) WO2013029769A1 (en)

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BR112014029368B1 (en) * 2012-05-30 2020-10-27 Meiji Seika Pharma Co., Ltd beta-lactamase inhibitor and process to prepare the same
US9291097B2 (en) * 2013-06-04 2016-03-22 Caterpillar Inc. Cooling module for electronic engine components
KR102199382B1 (en) * 2013-10-15 2021-01-06 엘지전자 주식회사 Air Conditioner and Controlling method for the same
CN115398164A (en) * 2020-05-29 2022-11-25 绍兴三花新能源汽车部件有限公司 Heat exchanger and gas-liquid separator
CN113739457A (en) * 2020-05-29 2021-12-03 绍兴三花新能源汽车部件有限公司 Heat exchanger and gas-liquid separator

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2191089A1 (en) * 1972-07-03 1974-02-01 Ciat Sa
JPS5637251Y2 (en) * 1976-10-06 1981-09-01
DE3513324A1 (en) * 1985-04-13 1986-10-16 Flutec Fluidtechnische Geräte GmbH, 6603 Sulzbach DEVICE FOR COOLING PRESSURE, IN PARTICULAR PRESSURE LIQUID
TW327205B (en) * 1995-06-19 1998-02-21 Hitachi Ltd Heat exchanger
JPH0989420A (en) * 1995-09-27 1997-04-04 Fuji Koki:Kk Receiver tank with expansion valve
JP2002333241A (en) * 2001-05-09 2002-11-22 Zexel Valeo Climate Control Corp Accumulator equipped with expansion device
JP4822238B2 (en) * 2001-07-24 2011-11-24 株式会社日本製鋼所 Heat transfer tube with internal groove for liquid medium and heat exchanger using the heat transfer tube
WO2006065185A1 (en) * 2004-12-16 2006-06-22 Volvo Lastvagnar Ab Arrangement and method relating to cooling systems
JP4897298B2 (en) * 2006-01-17 2012-03-14 サンデン株式会社 Gas-liquid separator module
JP2008265686A (en) * 2007-04-24 2008-11-06 Denso Corp Refrigeration cycle device for vehicle
EP1990221B1 (en) 2007-05-10 2009-07-15 C.R.F. Società Consortile Per Azioni Air-conditioning system for a motor vehicle, and motor vehicle equipped with the system
DE102008060699A1 (en) * 2008-12-08 2010-06-10 Behr Gmbh & Co. Kg Evaporator for a refrigeration circuit

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Publication number Publication date
EP2751502A1 (en) 2014-07-09
CN103765130A (en) 2014-04-30
WO2013029769A1 (en) 2013-03-07
US20140174120A1 (en) 2014-06-26
JP6072037B2 (en) 2017-02-01
DE112012003568A5 (en) 2014-06-12
DE102011111964A1 (en) 2013-02-28
US10024587B2 (en) 2018-07-17
CN103765130B (en) 2017-08-08
EP2751502B8 (en) 2020-04-15
JP2014525559A (en) 2014-09-29
KR20140105429A (en) 2014-09-01

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