EP1592930A1 - Condenseur, notamment pour un circuit de climatisation de vehicule automobile, et circuit comprenant ce condenseur - Google Patents
Condenseur, notamment pour un circuit de climatisation de vehicule automobile, et circuit comprenant ce condenseurInfo
- Publication number
- EP1592930A1 EP1592930A1 EP03810494A EP03810494A EP1592930A1 EP 1592930 A1 EP1592930 A1 EP 1592930A1 EP 03810494 A EP03810494 A EP 03810494A EP 03810494 A EP03810494 A EP 03810494A EP 1592930 A1 EP1592930 A1 EP 1592930A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- fluid
- plates
- condenser
- cooling
- condenser according
- 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.)
- Granted
Links
- 238000004378 air conditioning Methods 0.000 title claims description 21
- 239000012530 fluid Substances 0.000 claims abstract description 90
- 238000001816 cooling Methods 0.000 claims abstract description 27
- 239000012809 cooling fluid Substances 0.000 claims abstract description 21
- 230000002093 peripheral effect Effects 0.000 claims abstract description 5
- 238000005057 refrigeration Methods 0.000 claims description 25
- 239000003507 refrigerant Substances 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 238000009833 condensation Methods 0.000 claims description 6
- 230000005494 condensation Effects 0.000 claims description 6
- 230000003247 decreasing effect Effects 0.000 claims description 2
- 238000002156 mixing Methods 0.000 claims description 2
- 239000002826 coolant Substances 0.000 description 12
- 239000007788 liquid Substances 0.000 description 4
- 238000005192 partition Methods 0.000 description 3
- 238000001035 drying Methods 0.000 description 2
- 239000012071 phase Substances 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 238000005219 brazing Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 239000002274 desiccant Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000007792 gaseous phase Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
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
- F25B39/04—Condensers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D9/00—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D9/0031—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one heat-exchange medium being formed by paired plates touching each other
- F28D9/0043—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one heat-exchange medium being formed by paired plates touching each other the plates having openings therein for circulation of at least one heat-exchange medium from one conduit to another
- F28D9/005—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one heat-exchange medium being formed by paired plates touching each other the plates having openings therein for circulation of at least one heat-exchange medium from one conduit to another the plates having openings therein for both heat-exchange media
-
- 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
- F25B2339/04—Details of condensers
- F25B2339/043—Condensers made by assembling plate-like or laminated 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
- F25B2339/00—Details of evaporators; Details of condensers
- F25B2339/04—Details of condensers
- F25B2339/044—Condensers with an integrated receiver
- F25B2339/0441—Condensers with an integrated receiver containing a drier or a filter
-
- 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
- F25B2339/04—Details of condensers
- F25B2339/044—Condensers with an integrated receiver
- F25B2339/0443—Condensers with an integrated receiver the receiver being positioned horizontally
-
- 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
- F25B2339/04—Details of condensers
- F25B2339/047—Water-cooled condensers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
- F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
- F28D2021/008—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for vehicles
- F28D2021/0084—Condensers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/02—Header boxes; End plates
- F28F9/0246—Arrangements for connecting header boxes with flow lines
Definitions
- Condenser especially for a motor vehicle air conditioning circuit, and circuit comprising this condenser
- the invention relates to air conditioning circuits of motor vehicles.
- Modern motor vehicles are often equipped with an air conditioning system for their passenger compartment.
- These circuits include in particular a condenser, in which an air conditioning fluid in the gaseous state is cooled so as to be condensed.
- the invention relates both to a condenser itself and to such exchangers.
- condenser In order not to burden the rest of the text, only the term condenser will be used. However, it should be understood that this covers both a heat exchanger intended to allow the condensation of a fluid, as a heat exchanger intended to allow a simple cooling of the fluid of an air conditioning circuit of a motor vehicle.
- condensers generally consist of a bundle of tubes connected at each of their ends to manifolds.
- the tubes are provided with heat exchange surfaces such as fins or corrugated spacers. They are cooled by heat exchange with atmospheric air and, for this purpose, they are placed at the front of the motor vehicle, generally in front of the engine cooling system radiator.
- such a condenser can be cooled by a liquid, in particular by the liquid of the engine cooling circuit. It is therefore more compact than an air-cooled condenser. It is not necessary to have it on the front of the vehicle. It can therefore be placed near the evaporator, which shortens the length of the air conditioning circuit pipes. But a condenser of this type also has drawbacks, in particular, it does not ensure sufficient heat exchange.
- the invention relates to a condenser, in particular for an air conditioning circuit for the passenger compartment of a motor vehicle, which overcomes these drawbacks.
- This condenser must allow improved cooling of the air conditioning fluid of the air conditioning circuit by the water of the engine cooling circuit.
- Pass means a group or sub-group of plates between which the fluid follows one and the same direction in one and the same direction.
- the inlet and outlet orifices are located, in particular, at the level of two opposite edges of said plates.
- the condenser consists of a stack of common plates. An end plate is disposed at each end of the stack of common plates.
- the plates have communication passages to allow the passage of the refrigeration fluid and the cooling fluid from one flow channel to the other, annular conduits are provided alternately opposite the communication passages to prevent mixing of. fluids.
- the current plates are provided with two communication passages intended for the passage of the air conditioning fluid and two communication passages intended for the passage of the cooling fluid.
- each current plate has a total of four communication passages.
- the plates are provided with raised peripheral edges, assembled in a sealed manner to delimit the first flow channels and the second flow channels.
- the condenser comprises at least two passes over the cooling fluid.
- the condenser has at least one inlet and one outlet for refrigeration fluid and at least one pass over the refrigerant communicating with said inlet, called inlet pass, and another pass communicating with said outlet, called outlet pass. , the section of passes decreasing from the entry pass to the exit pass.
- the passes are carried out either by partition walls arranged in the manifolds of the tube exchangers, or by spacers arranged between the plates of the stacked plate exchangers.
- the section of the passes decreases from the pass communicating with the inlet of the condenser, called the inlet pass, towards the pass communicating with the outlet of said condenser, called the outlet pass .
- the condenser according to the invention may comprise at least three passes, the number of channels assigned to the input pass on the number of channels assigned to the output pass being between, for example, between 2 and 5, the section of the channels being provided constant from channel to channel.
- the condenser plates are distributed in a first series to ensure the cooling of the refrigerating fluid until its condensation, and in a second series to ensure the cooling of the refrigerating fluid below its condensation temperature (sub-cooling).
- the condenser of the invention comprises a bottle integrated between the first and the second series of plates.
- turbulating elements elements which disturb the flow
- the turbulator elements are disposed between the plates.
- the plates themselves have reliefs which constitute turbulent elements.
- the hydraulic diameter of the circulation channels is between 0.1 mm and 3 mm. It may, in particular, be from 0.1 to 0.5 mm for fluids intended not to change phase, except in exceptional conditions, and from 0.5 to 3 mm for fluids intended to be condensed. It will, for example, from 1 to 2.6 mm for the cooling fluid, which may be water, in particular that of the cooling circuit.
- annular conduits are advantageously constituted by bowls formed in the plates. Collectors are thus defined without having to provide any additional room.
- the cooling fluid consists of water from the cooling circuit of the motor vehicle engine.
- the invention relates to an air conditioning circuit, in particular for the passenger compartment of a motor vehicle, comprising an evaporator, a compressor, a condenser, an expansion valve, in which a refrigerating fluid circulates, in which the condenser is in accordance with the present invention.
- Figure lest a sectional view of a condenser according to the invention is a sectional view of a condenser according to the invention, comprising two passes on the refrigeration fluid;
- Figure 3 is a schematic perspective view of a condenser according to the invention, comprising three passes on the refrigerant and one pass on the coolant;
- Figure 4 is a schematic perspective view of a condenser according to the invention, comprising two passes on the refrigerant and two passes on the coolant;
- Figure 5 is an exploded perspective view of a two pass exchanger on the refrigeration fluid and two pass on the coolant which illustrates the circulation of these two fluids;
- Figure 6 is an external perspective view of a condenser according to the invention, comprising an integrated bottle;
- Figure 7 is a left view of the condenser shown in Figure 6;
- Figure 8 is a cross-sectional view of the condenser shown in Figures 6 and 7;
- Figure 9 is a sectional view through a plane passing through
- Figure 10 shows a first embodiment of a turbulator element inserted between the plates
- Figure 11 shows another embodiment of a turbulator element inserted between the plates
- Figure 12 shows corrugated rectilinear turbulators from reliefs formed in the plates
- Figure 13 shows chevron turbulators from reliefs formed in the plates
- Figure 14 shows a three pass condenser according to the invention.
- FIG. 1 a cross-sectional view of a condenser according to the present invention. It comprises a multiplicity of common plates 2 stacked one on the other and each provided with a peripheral rim 3. The peripheral edges are assembled in leaktight manner to delimit between the plates 2 first flow channels for an FI refrigeration fluid. which alternate with second flow channels for a coolant F2.
- the stack of common plates has an end plate 6 at each of its ends.
- the refrigeration or air conditioning fluid FI enters the condenser through a tube d '' inlet (not shown in Figure 5) and out through an outlet pipe 14.
- the coolant F2 enters the condenser through an inlet pipe 20 and out through an outlet pipe (not shown) .
- the refrigerant FI enters the gaseous state. It circulates in the first channels by exchanging heat with the coolant F2, which causes its condensation. The fluid FI therefore leaves the condenser in the liquid state.
- the refrigeration or air conditioning fluid is, for example, a fluid R134a or R744 (C0 2 ), while the cooling fluid F2 consists of water from the engine cooling circuit. It could also be an independent water loop.
- the condenser shown in Figure 2 has two circulation passes for the air conditioning or refrigeration fluid.
- This fluid enters the tubing 12, as shown schematically by the arrow FI, it enters an annular duct 24 playing the role of an inlet manifold and, from there, enters the first circulation channels provided between the plates 2 , as shown by arrow 26.
- the air conditioning fluid arrives in an annular duct 28 and, from there, enters the first circulation channels provided between the plates 2 located below of the partition 30, as shown by the arrow 32.
- the refrigeration fluid FI and the cooling fluid F2 do not necessarily flow through the condenser with the same number of passes.
- the condenser has three passes shown diagrammatically by the arrows 40, 42 and 44 for the refrigeration fluid, and a single pass shown diagrammatically by the arrow 48 for the cooling fluid F2.
- the fluid FI passes from the first pass to the second after having crossed the passage orifice 50, then from the second pass 42 to the third pass 44 after having crossed the passage communication 52. It emerges from the exchanger through the outlet pipe 14.
- the coolant F2 enters through the inlet pipe 20, passes through the exchanger in a single pass 48 and leaves the condenser through the outlet pipe 22 .
- the condenser has two circulation passes for the refrigerant and two passes also for the coolant.
- FI refrigeration fluid enters the condenser through the inlet connection 12, traverses the plates according to the first pass 54 crosses the communication passage 56 and runs through 'the second pass 58 before exiting through the outlet pipe 14.
- the coolant F2 enters the condenser through the inlet pipe 20, traverses the first pass as shown diagrammatically by the arrow 60, crosses the communication passage 62 before traversing the second pass 64. It then leaves the exchanger via the outlet pipe 24.
- FIG. 5 An exploded perspective view which illustrates the circulation of fluids in a condenser according to the invention comprising two circulation passes for the air conditioning fluid FI and two passes for the cooling fluid F2.
- the fluid FI enters the upper part of the exchanger through the inlet pipe 12 in the volume delimited by the end plate 6 and the adjacent plate 2. Part of the fluid runs through this space from left to right according to FIG. 5, as shown diagrammatically by the arrow 66.
- the other part of the fluid enters an annular duct 68 disposed between the plates 2a and 2b, as shown diagrammatically by the arrow 70. Leaving the annular duct, it enters the space between the plates 2b and 2c.
- the fraction of the fluid which has passed through the space between the end plate 6 and the first current plate 2a emerges from this space by a tubular conduit 72 disposed between the plates 2a and 2b.
- the flat space between the plates 2b and 2c has only one communication passage 74 allowing the fluid F2 to exit.
- This fluid crosses the annular passage 76 to reach between the plates 2d and 2e after having undergone a change of direction of circulation. It indeed crosses this space from right to left, whereas it circulated previously from left to right.
- the coolant F2 which enters the condenser through an inlet pipe (not shown) located at the lower part of the exchanger circulates from left to right in the flat spaces between two successive plates. It passes from a space between two plates to the next space, these spaces alternating with spaces provided for the fluid FI by annular conduits similar to the conduits 70 or 76 mentioned above. Arrived in the space between the plates 2e and 2f, as shown schematically by the arrow 80, the fluid F2 enters the annular duct 82, as shown schematically by the arrow 84, and changes the direction of circulation. In the upper part of the condenser, it circulates from right to left whereas it circulated from left to right in the lower part. A second circulation pass is thus produced for the fluid F2 also.
- the condenser of the invention comprises three different types of plates with regard to the number of communication passages.
- the end plates, like plate 6, have only two communication passages, the first for the entry of one of the fluids, the second for the exit of the other fluid.
- Current plates, like plate 2f have four communication passages. Two of these passages are dedicated to the first fluid FI, while the other two passages are dedicated to the fluid F2.
- the plates located just before the end plate 6, like the plate 2a have three communication passages instead of four for the current plate.
- the 2d plate which allows realize the circulation passes of the two fluids, comprises only two communication passages. Indeed, by removing two of the four communication passages, dividing partitions are produced which allow the direction of circulation of the fluid to be changed.
- the plates 2c and 2e, adjacent to the plate 2d, have three communication passages, instead of four for the current plates. There are thus three types of plates.
- the two end plates and the plate 2d have only two passages.
- the plates adjacent to the end plates and to the plate 2d have three passages, while the current plates of the condenser have four.
- the condenser according to the invention may include at least three passes “a", "b” and "c".
- the number of channels assigned to the input pass “a”, that is to say the pass communicating with the entry of the refrigerant fluid in the condenser, on the number of channels assigned to the output pass “c” , that is to say the pass communicating with the outlet of the refrigeration fluid out of the condenser, is between 2 and 5, the section of the channels being constant from one pass to another.
- a three-pass condenser it may be, by way of illustrative example, from 15 to 20 channels in the input pass "a”, from 8 to 10 channels in the intermediate pass “b” and 4 to 7 channels in the output pass "c".
- FIGS 6 and 7 respectively, a sectional view and a left view of a second embodiment of a condenser according to the present invention. It is distinguished by the fact that its plates are divided into a first series 94 and a second series 96 separated one of the other by a frame 98 in which a bottle 100 is housed.
- the first series of plates 94 is relatively larger than the second series 96. It is preferably located at the top of the exchanger, while the second series is located at the bottom.
- the plates of the first series constitute a section for cooling the refrigerating fluid and the plates of the second series constitute a section of subcooling of this fluid.
- the bottle 100 also called an intermediate reservoir, makes it possible to ensure the filtration and dehydration of the refrigeration fluid. It also makes it possible to compensate for these variations in volume and to ensure the separation of the liquid and gaseous phases. Its interposition between an upstream part and a downstream part 96 of the condenser makes it possible to circulate only fluid in the liquid state in the sub-cooling section.
- the refrigeration fluid is thus cooled below its liquid-gas equilibrium temperature, which improves the performance of the condenser and makes them relatively independent of the quantity of fluid contained in the air conditioning circuit.
- the circulation of the refrigeration fluid, as well as the circulation of the cooling fluid, can be carried out in one or more passes in the cooling section 94, as well as in the sub-cooling section 16.
- the refrigeration fluid FI enters the cooling section 94 through the inlet pipe 12 located in the upper part of the condenser. It traverses the cooling section, in one or more passes, then passes into the bottle 100, in which it is filtered and dehydrated, then returns to the sub-cooling section 96 before leaving the exchanger through the outlet pipe 14 .
- the coolant F2 circulates against the current of the refrigeration fluid. It enters the lower part of the condenser, in the sub-cooling section 96, through the inlet pipe 20 (see FIG. 7), - it crosses the sub-cooling section 96 then enters directly into the cooling section 94 before emerging from the condenser through the outlet pipe 22.
- the frame 98 comprises two flanges 102 and a central portion 103 in which are formed three cylindrical bores 104 which constitute the bottle. One of these bores, the one on the right in Figure 7, receives a filter and drying salts.
- the plates of the first series 94 and of the second series 96 come to bear on the flanges 102 of the frame 98. It will also be noted that, in this example, their concavities are opposite.
- FIG. 8 and 9 There is shown in Figures 8 and 9, respectively, a longitudinal sectional view of the condenser passing through the longitudinal axis of the part of the bottle 100 comprising the filter and the drying salts and a cross section of this same exchanger.
- the corresponding cylindrical bore 104 is extended by a cylindrical part 106 projecting from the condenser.
- This cylindrical part receives a plug 108 comprising a hexagonal head 110 which makes it possible to close the bottle.
- the plug 108 is provided with an O-ring seal 112.
- An elongated cylindrical cartridge 114 is housed inside the cylindrical bore 104. It contains the desiccant 116 which makes it possible to dehydrate and filter the refrigeration fluid FI .
- FIG 9 shows the particular shape of the plates 2 of the condenser.
- Each plate has a flat-bottomed half-bowl 122 crossed by a passage orifice 124.
- the flat bottoms of the bowls come into contact with one another.
- they are assembled together in a leaktight manner.
- annular conduits allowing the circulation of the refrigerating fluid FI and the cooling fluid F2 from one passage channel to the other without having to use additional parts placed between the plates.
- one plate out of two could be flat, the bowl formed in the adjacent plate having a depth corresponding to the entire spacing between two successive plates.
- FIG. 10 shows a first alternative embodiment of a turbulating element 132. It consists of a stamped sheet metal shaped so as to have rectilinear undulations 134 arranged, for example, in the direction of the length of the plates. In this case, the plates 2 have a generally planar bottom.
- FIG. 11 shows another embodiment of a turbulator element 136. It includes stampings 138 having the general shape of slots. These slots are divided into two series offset from one another. Such a turbulator element 136 is disposed between plates 2 also having a generally planar bottom.
- the turbulator elements 132 and 136 shown in Figures 10 and 11 require to manufacture an additional part and to insert it between the plates. It is possible to eliminate this additional part by producing the turbulator elements by reliefs coming from the plates themselves and obtained by a stamping operation.
- the condenser comprises first plates 140 each having a bottom 142 having undulations 144 defined by generators extending in a first direction D1 and second plates 146 arranged alternately with the first plates 140 and each having a bottom 148 having undulations 150 defined by generatrices extending in a second direction D2 which is substantially perpendicular to the first direction Dl.
- the respective undulations of the plates make it possible to give the channels a particular three-dimensional structure which promotes turbulent flow of the fluid FI and the fluid F2 and, consequently, a good heat exchange between them. This also makes it possible to suppress turbulator elements inserted between the plates.
- the exchanger comprises a first series of plates 154 and a second series of plates 156 comprising corrugations 158 and 160 respectively in the form of chevrons. These undulations also define a three-dimensional structure of the fluid flow channels which promotes turbulent flow and good heat exchange between them.
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP08158983.0A EP1992891B1 (fr) | 2002-10-31 | 2003-10-31 | Condenseur, notamment pour un circuit de climatisation de véhicule automobile, et circuit comprenant ce condenseur |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0213671 | 2002-10-31 | ||
FR0213671A FR2846733B1 (fr) | 2002-10-31 | 2002-10-31 | Condenseur, notamment pour un circuit de cimatisation de vehicule automobile, et circuit comprenant ce condenseur |
PCT/FR2003/003055 WO2004042293A1 (fr) | 2002-10-31 | 2003-10-31 | Condenseur, notamment pour un circuit de climatisation de vehicule automobile, et circuit comprenant ce condenseur |
Related Child Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP08158983.0A Division EP1992891B1 (fr) | 2002-10-31 | 2003-10-31 | Condenseur, notamment pour un circuit de climatisation de véhicule automobile, et circuit comprenant ce condenseur |
EP08158983.0 Division-Into | 2008-06-25 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1592930A1 true EP1592930A1 (fr) | 2005-11-09 |
EP1592930B1 EP1592930B1 (fr) | 2013-02-13 |
Family
ID=32104360
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP03810494A Expired - Lifetime EP1592930B1 (fr) | 2002-10-31 | 2003-10-31 | Condenseur, notamment pour un circuit de climatisation de vehicule automobile, et circuit comprenant ce condenseur |
EP08158983.0A Revoked EP1992891B1 (fr) | 2002-10-31 | 2003-10-31 | Condenseur, notamment pour un circuit de climatisation de véhicule automobile, et circuit comprenant ce condenseur |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP08158983.0A Revoked EP1992891B1 (fr) | 2002-10-31 | 2003-10-31 | Condenseur, notamment pour un circuit de climatisation de véhicule automobile, et circuit comprenant ce condenseur |
Country Status (5)
Country | Link |
---|---|
US (2) | US7469554B2 (fr) |
EP (2) | EP1592930B1 (fr) |
AU (1) | AU2003301834A1 (fr) |
FR (1) | FR2846733B1 (fr) |
WO (1) | WO2004042293A1 (fr) |
Families Citing this family (87)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102004059799A1 (de) * | 2004-01-30 | 2005-08-25 | Behr Gmbh & Co. Kg | Vorrichtung zum Austausch von Wärme |
ITPN20050090A1 (it) * | 2005-12-13 | 2007-06-14 | Domnick Hunter Hiross Spa | Essiccatore di gas compressi umidi |
SE529769E (sv) * | 2006-04-04 | 2014-04-22 | Alfa Laval Corp Ab | Plattvärmeväxlare vilken innefattar åtminstone en förstärkningsplatta vilken är anordnad utanför en av de yttre värmeväxlarplattorna |
FR2923899B1 (fr) * | 2007-11-20 | 2017-05-05 | Valeo Systemes Thermiques Branche Thermique Moteur | Condenseur pour circuit de climatisation avec bouteille integree |
FR2924490A1 (fr) | 2007-11-29 | 2009-06-05 | Valeo Systemes Thermiques | Condenseur pour circuit de climatisation avec partie de sous-refroidissement |
FR2931542A1 (fr) * | 2008-05-22 | 2009-11-27 | Valeo Systemes Thermiques | Echangeur de chaleur a plaques, notamment pour vehicules automobiles |
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Also Published As
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---|---|
US8122736B2 (en) | 2012-02-28 |
FR2846733B1 (fr) | 2006-09-15 |
US20090071189A1 (en) | 2009-03-19 |
WO2004042293A1 (fr) | 2004-05-21 |
US7469554B2 (en) | 2008-12-30 |
US20060053833A1 (en) | 2006-03-16 |
EP1992891A1 (fr) | 2008-11-19 |
EP1592930B1 (fr) | 2013-02-13 |
AU2003301834A1 (en) | 2004-06-07 |
EP1992891B1 (fr) | 2017-06-21 |
FR2846733A1 (fr) | 2004-05-07 |
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