WO2022233663A1 - Circuit de fluide frigorigène sans sécheur, procédé d'installation d'un circuit de fluide frigorigène, et dispositif de réfrigération - Google Patents

Circuit de fluide frigorigène sans sécheur, procédé d'installation d'un circuit de fluide frigorigène, et dispositif de réfrigération Download PDF

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Publication number
WO2022233663A1
WO2022233663A1 PCT/EP2022/061151 EP2022061151W WO2022233663A1 WO 2022233663 A1 WO2022233663 A1 WO 2022233663A1 EP 2022061151 W EP2022061151 W EP 2022061151W WO 2022233663 A1 WO2022233663 A1 WO 2022233663A1
Authority
WO
WIPO (PCT)
Prior art keywords
refrigerant circuit
connection
connecting pipe
refrigerant
evacuation
Prior art date
Application number
PCT/EP2022/061151
Other languages
German (de)
English (en)
Inventor
Berthold Pflomm
Benjamin RUSSO
Andreas Vogl
Ming Zhang
Original Assignee
BSH Hausgeräte 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 BSH Hausgeräte GmbH filed Critical BSH Hausgeräte GmbH
Publication of WO2022233663A1 publication Critical patent/WO2022233663A1/fr

Links

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
    • 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
    • F25B41/00—Fluid-circulation arrangements
    • F25B41/30—Expansion means; Dispositions thereof
    • F25B41/37—Capillary tubes
    • 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
    • F25B43/00—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat
    • F25B43/003—Filters
    • 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
    • F25B45/00—Arrangements for charging or discharging refrigerant
    • 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
    • F25B2345/00—Details for charging or discharging refrigerants; Service stations therefor
    • F25B2345/001—Charging refrigerant to a cycle

Definitions

  • Dryerless refrigeration circuit method of assembling a refrigeration circuit and refrigeration device
  • the present invention relates to a dryer-less refrigerant circuit for a refrigeration device, a method for assembling a refrigerant circuit and a refrigeration device, in particular a domestic refrigeration device such as a refrigerator, a freezer or a fridge-freezer combination.
  • a refrigerant circuit of a refrigerating appliance e.g. During assembly, the refrigerant circuit is filled with a refrigerant. Before filling, the refrigerant circuit is usually evacuated via a so-called evacuation tube.
  • the evacuation pipe is a pipe that branches off from the refrigerant circuit and is sealed tight after evacuation.
  • Dryers are therefore conventionally used in refrigerant circuits to bind the water in the refrigerant and to remove solid particles from the refrigerant filter.
  • Such dryers generally comprise a tubular housing in which loose dryer material or dryer material present as a cartridge is accommodated.
  • the housing is provided with connections for connecting a refrigerant line.
  • DE 10 2017 216 949 B3 also discloses a refrigerant circuit in which a water-soluble additive that lowers the freezing point of water is added to the refrigerant.
  • the water that is prevented from forming ice in this way can remain in the refrigerant circuit and circulate with the refrigerant.
  • the dryer that is conventionally required to bind the water can therefore be omitted.
  • a dryer-free refrigerant circuit in particular for a household refrigeration appliance, comprises an evaporator for evaporating a refrigerant while absorbing heat, a condenser for condensing the refrigerant while releasing heat, and a refrigerant line with a connecting pipe connected to an outlet of the condenser and a connecting pipe with a capillary tube connected to an inlet of the evaporator, the connecting tube having a first port formed at a first end to which the outlet of the condenser is connected and a second port to which the capillary tube is connected, and being between the condenser and the second Connection of the connecting pipe a particle filter is included.
  • a refrigeration device in particular a household refrigeration device such as a refrigerator, a freezer or a fridge-freezer Combination, a refrigeration compartment for accommodating items to be cooled and a refrigerant circuit according to the first aspect of the invention, wherein the evaporator is thermally coupled to the refrigeration compartment in order to cool it, and wherein the condenser is arranged for dissipating heat to the environment.
  • a method of assembling the refrigerant circuit according to the first aspect of the invention.
  • the method includes arranging the particle filter between the condenser and the second connection of the connecting tube, connecting the outlet of the condenser to the first connection opening of the connecting tube, connecting the capillary tube to the second connection of the connecting tube, connecting the capillary tube to the inlet of the evaporator, evacuating the refrigerant circuit and filling the refrigerant circuit with a refrigerant.
  • One idea on which the invention is based is to provide a refrigerant circuit without a conventional dryer, but with a particle filter, with the particle filter being accommodated in the area of or in a connecting tube that connects between the outlet of the condenser and the capillary tube.
  • the particle filter is designed to filter out solid particles from the refrigerant, which counteracts a functional impairment or blockage of hydraulic components of the refrigerant circuit.
  • “dryerless” is to be understood as meaning that the refrigerant circuit does not have a dryer with a housing through which refrigerant flows and loose dryer material accommodated therein. However, this does not rule out the possibility of another form of dryer material being optionally provided in the refrigerant circuit, e.g. in liquid form or in the form of a coating of pipe walls.
  • a further advantage of the invention is that the connecting tube provides a simple way of connecting the capillary tube.
  • the connecting pipe additionally has an evacuation connection for evacuating the refrigerant circuit.
  • the connecting tube thus forms both a connection or an adapter for the capillary tube and an evacuation tube.
  • the particle filter can also be accommodated in the connecting pipe.
  • the refrigeration cycle can be formed with a minimum number of parts.
  • the refrigerant circuit can be evacuated efficiently without having to install or assemble an additional pipe component for this purpose.
  • the evacuation connection is formed at a second end of the connecting pipe. This advantageously facilitates the connection of an evacuation device, such as a pump.
  • the second connection is arranged between the first and the second end of the connecting pipe. This is particularly advantageous in connection with embodiments in which the second end of the connecting tube is designed as an evacuation connection. However, embodiments are also conceivable in which the second connection is formed at the second end of the connecting tube.
  • connection pipe provision can be made for the second connection to be formed by an opening in the connecting tube.
  • the second port can be formed through an end opening of the connecting tube or through an opening in the lateral or radial wall of the connecting tube.
  • the connecting pipe has a first pipe section running between the first end and the second end and a second pipe section opening out of the first pipe section between the first end and the second end, the second connection being through an opening of the second pipe section is formed and the evacuation port is formed at the second end of the first pipe section.
  • the connecting pipe can be designed as a kind of T-piece, with the first connection, the second connection and the evacuation connection each passing through the end opening. openings of the T-piece are formed. This also results in a simple structure with simple connection options for the pipe section.
  • the evacuation connection is hermetically sealed.
  • the connecting pipe is clamped off and/or soldered in the area of the evacuation connection.
  • the connecting tube has a curved section, for example a section that is curved in a U-shape. This offers the advantage that liquid refrigerant can be collected in the curved section.
  • the second connection is preferably formed in the curved section of the connecting tube. This makes it easier to connect the capillary tube to the connecting tube. In particular, this can advantageously prevent gaseous refrigerant from being fed to the capillary tube.
  • the particle filter is accommodated in the connecting pipe between the first connection opening and the second connection.
  • the particle filter can form an interference fit with an inner surface of the connecting tube, so that it is held in the connecting tube by friction. This represents a simple and safe method for fixing the particle filter.
  • the pipe section has a widening which forms the first connection opening at the first end of the pipe section and in which the particle filter is accommodated.
  • the widening can define an inner diameter which corresponds to 2 to 5 times the inner diameter of the connecting pipe in a region adjacent to the widening.
  • the particle filter can, for example, be glued or soldered to the widening at the bottom of the widening.
  • fastening the particle filter to the connecting pipe is not absolutely necessary when it is arranged in the widening.
  • the outlet of the condenser protrudes into the widening and the particle filter is clamped between the bottom of the widening and an end face of the outlet of the condenser.
  • the particle filter is accommodated in a connecting pipe forming the outlet of the condenser.
  • the particle filter is formed by a sintered screen or a fabric screen. This results in a simple, inexpensive filter that can also be easily mounted on or in the connecting tube.
  • a non-halogenated hydrocarbon is included as a refrigerant in the refrigerant circuit, which contains a water-soluble additive that lowers the freezing point of water and/or a liquid sorbent. This offers the advantage that the formation of ice in the refrigerant circuit is further prevented.
  • the connecting pipe has an evacuation connection and the evacuation of the refrigerant circuit takes place via the evacuation connection of the connecting pipe, with the method additionally including hermetically closing the evacuation connection after evacuation, e.g. clamping and/or soldering the connecting pipe in the area of the evacuation connection or between the evacuation connection and the second connection.
  • Fig. 1 is a schematic block diagram of a hydraulic circuit diagram of a
  • FIG. 2 is a schematic sectional view of a connecting pipe of a refrigerant circuit according to an embodiment of the invention
  • Fig. 3 is a schematic sectional view of a connecting pipe of a refrigerant circuit according to another embodiment of the invention.
  • FIG. 4 shows a schematic partial view of a refrigerant circuit according to an exemplary embodiment from the invention
  • FIG. 5 shows a schematic partial view of a refrigerant circuit according to a further exemplary embodiment of the invention.
  • FIG. 6 shows a schematic partial view of a refrigerant circuit according to a further embodiment of the invention.
  • FIG. 7 shows a schematic partial view of a refrigerant circuit according to a further embodiment of the invention.
  • FIG. 8 shows a flow chart of a method for assembling a refrigerant circuit according to an exemplary embodiment of the invention.
  • Fig. 1 shows an example and in a schematic way refrigeration device 300 in the form of a household refrigeration device.
  • the refrigeration device 300 has a refrigerant circuit 200 and a refrigeration compartment 310 for accommodating refrigerated goods, such as food, beverages or the like.
  • a refrigeration device 300 with only one refrigeration compartment 310 is shown purely by way of example in FIG. 1 .
  • the invention is not limited to this and the refrigeration device can have several refrigeration compartments 300, for example a refrigeration compartment and a freezer compartment.
  • the refrigerant circuit 200 has a condenser 220, an evaporator 230 and optionally also a compressor 210 for circulating refrigerant.
  • FIG. 1 shows an example and in a schematic way refrigeration device 300 in the form of a household refrigeration device.
  • the refrigeration device 300 has a refrigerant circuit 200 and a refrigeration compartment 310 for accommodating refrigerated goods, such as food, beverages or the like.
  • a refrigeration device 300 with only one refrigeration compartment 310 is shown purely by way of
  • an outlet 222 of the condenser is connected to an inlet 231 of the evaporator 230 by a first refrigerant line 205 .
  • An outlet 232 of the evaporator 230 is connected to an inlet 211 of the compressor 210 by a suction pipe or a second refrigerant line 235 .
  • An outlet 212 of the compressor 210 is connected to an inlet 221 of the condenser 220 .
  • the outlet 232 of the evaporator 230 is connected directly to an input 221 of the condenser 220 .
  • the evaporator 230 is thermally coupled to the refrigeration compartment 310 , e.g., by being located within the refrigeration compartment 310 or on an exterior of a wall of the refrigeration compartment 310 .
  • liquid refrigerant evaporates while absorbing heat from the refrigeration compartment 310 and is transported through the second refrigerant line 234, optionally with the aid of the compressor 210, to the condenser 220, where it condenses, dissipating heat to the environment.
  • the liquid refrigerant is fed back to the inlet 231 of the compressor 230 through the first refrigerant line 205 .
  • the first refrigerant line 205 has a connecting tube 1 and a capillary tube 3 .
  • the connecting pipe 1 has a first connection opening 11 , a second connection 12 and an optional evacuation connection 14 .
  • the outlet 222 of the condenser 220 is connected to the first connection opening 11 of the connecting pipe 1 .
  • the capillary tube 3 is connected to the second connection 12 of the connecting tube 1 .
  • the refrigerant thus passes between the outlet 222 of the condenser 220 and the inlet 231 of the evaporator 230, the connecting pipe 1, is introduced by this into the capillary 3 and fed from the capillary to the inlet 231 of the evaporator 230.
  • a suction throttle tube heat exchanger 240 is thus formed, which a heat exchange between the im Capillary tube 3 flowing refrigerant and the strö in the second refrigerant line 235 coming refrigerant allows.
  • a particle filter 2 e.g. in the form of a sintered screen or a fabric screen, is provided in the refrigerant circuit 200.
  • the particulate filter 2 may be arranged in the connecting pipe 1 as shown in Fig. 1, for example. However, other positionings of the particle filter 2 are also conceivable, as will be explained below.
  • the refrigerant circuit 200 can contain, for example, a non-halogenated hydrocarbon as a refrigerant, which has a water-soluble additive that lowers the freezing point of water and/or a liquid sorbent.
  • a non-halogenated hydrocarbon as a refrigerant, which has a water-soluble additive that lowers the freezing point of water and/or a liquid sorbent.
  • mono- or polyhydric alcohols such as methanol, ethanol, ethylene glycol or glycerol can be used as an additive.
  • the use of propylene glycol is also conceivable.
  • a solid desiccant such as ceolite can optionally also be used in the dryerless refrigerant circuit 200, e.g. applied as a coating to an inner surface of the pipe.
  • the connecting tube 1 generally has a first port 11, a second port 12 and optionally an evacuation port 14.
  • the connecting tube 1 can be formed, for example, as a tube running straight between a first end 1A and a second end 1B.
  • the first connection hole 11 is formed at the first end 1 ⁇ /b>A of the connection pipe 1 .
  • the second connection 12 can be formed, for example, as shown schematically in FIG. 2 as an opening 12A arranged between the first and the second end 1A, 1B.
  • the second connection 12 it would be conceivable for the second connection 12 to be io th end 1B of the connecting pipe 1 formed opening is formed.
  • the optional evacuation port 14 is formed by an opening formed at the second end 1B of the connection pipe 1 .
  • the connecting pipe 1 can optionally have a widening 13 .
  • This can be formed in particular on the first end 1A of the connecting pipe 1 .
  • the widening device 13 has a first inner diameter d13 which is larger than a second inner diameter d1 of the connecting tube 1 in a region adjoining in the direction of the second end 1B.
  • the widening 13 can have a cylindrical section 13A, which defines the first inner diameter d13, and optionally a transition section 13B, which transitions from the first inner diameter d13 to the second inner diameter d1 and, for example, be conical can.
  • the particle filter 2 can be accommodated in the widening 13 and, for example, bear against the transition section 13B.
  • the particle filter 2 can also be arranged between the widening 13 and the second connection 12 in the connecting pipe 1, as is shown schematically in FIG. 5, for example.
  • a connection pipe 223 (FIGS. 1, 4, 6 and 7) forming the outlet 222 of the condenser 220 can be inserted into the first connection opening 11, eg into the cylindrical section 13A of the widening 13.
  • the connecting pipe 223 and the connecting pipe 1 can be fastened to one another, for example pressed, welded or soldered to one another.
  • the capillary tube 3 is introduced into the connecting tube 1 through the opening 12A forming the second connection 12 and can optionally also be attached to the connecting tube 1, eg via a threaded sleeve, a welded connection, a soldered connection or in a similar manner.
  • the evacuation connection 14 forms a fluid-permeable interface to the refrigerant circuit 200, through which this can be evacuated by means of an evacuation device such as a pump. After the evacuation, the evacuation connection 14 is hermetically sealed, for example by squeezing the connecting tube 1 between the second connection 12 and the evacuation connection 14 or the second end 1B and thereby pinching it off and/or by sealing the evacuation port 14 with a solder plug or the like.
  • the connecting pipe 1 shown schematically in FIG. 3 differs from the connecting pipe 1 shown in FIG. 2 only in that it is not designed as a continuous, straight pipe, but as a T-piece.
  • the connecting pipe 1 has a first pipe section 101, which can be, for example, a straight section, running between the first end 1A and the second end 1B, and one between the first end 1A and the second end 1B the first pipe section 101 opening out second pipe section 102 on.
  • the evacuation port 14 can be formed by an opening formed at the second end 1B of the first pipe section 101 .
  • FIG. 3 shows that the second connection 12 can be formed through an opening 12B of the second pipe section 102 .
  • the connecting tube 1 can be designed as a tube that runs essentially in a straight line.
  • the connecting pipe 1 can have a curved section 15 running duri, as is shown by way of example in FIGS. 4 and 7.
  • the curved portion 15 may form a U-shape, for example.
  • the second connection 12 can be formed in particular in the curved section 15 of the connecting tube 1. Similar to Figs. 2 and 3, it is exemplified in FIG. 4 that the evacuation port 14 is formed at the second end 1B of the connection pipe 1. As shown in FIG. FIG. FIG.
  • the connecting tube 1 can be clamped off in the region of the second end 1B.
  • the particle filter 2 can optionally also be accommodated in the connecting pipe 223 forming the outlet 222 of the condenser 220, as is shown purely by way of example and schematically in FIG.
  • the particle filter 2 can also be accommodated in the widening 13 as in FIG.
  • FIG. 5 shows a connecting pipe 1 which is constructed essentially like the connecting pipe 1 shown in FIG.
  • the particle filter 2 for example, also outside of the optional widening 13 in an area between the first end 1A or the first connection opening 11 and the second connection 12 in the connecting pipe 1.
  • FIG. 5 shows by way of example that the connecting pipe 1 can be clamped off in the area of the second end 1B in order to hermetically close the evacuation seal 14 .
  • FIG. 6 shows a connecting tube 1 without an optional evacuation connection 14 purely by way of example.
  • the second port 12 may be formed at the second end 1B of the connection pipe 1 .
  • the connecting pipe 1 has a tapering end section 12C, the tip of which forms the second end 1B, the second connection 12 being realized by an opening at the tip of the end section 12C.
  • the particle filter 2 can be accommodated in the optional widening 13 at the first end 1A of the connecting pipe 1 .
  • the particle filter 2 in the connecting pipe 1 and in the connecting pipe 223 by way of example.
  • the particle filter 2 is arranged between the condenser 220 and the second connection 12 of the connection pipe 1 .
  • a first step M1 the particle filter 2 is arranged between the condenser 220 and the second connection opening 12 of the connecting pipe 1.
  • the filter 2 can be placed in the expansion 13 of the connecting tube (FIGS. 2, 3, 6 and 7) and optionally fixed there.
  • the filter 2 can also be inserted into the connecting pipe 1 in an area between the first connection opening 11 and the second connection 12 (FIG. 5) and fixed there. It is also conceivable that the filter 2 is inserted into the connection pipe 223 of the condenser 220 (FIG. 4).
  • the outlet 222 of the condenser 220 is connected to the first connection opening 11 of the connecting pipe 1.
  • the connection pipe 223 of the condenser 220 can be inserted into the first connection opening 11 . This can also include pressing the connecting pipe 1 and the connecting pipe 223 .
  • the capillary tube 3 is connected (step M3) to the second connection 12 of the connecting tube 1.
  • the end of the capillary tube 1 can be inserted into the respective opening 12A, 12B forming the second connection 12, with the option of fixing the capillary tube 3 and connecting pipe 1 can be connected to one another, e.g. by soldering.
  • step M4 the capillary tube 3 is connected to the inlet 231 of the evaporator 230.
  • the second coolant line 235 can also be connected to the outlet 232 of the evaporator 230 and the inlet 211 of the compressor 210 and the outlet 212 of the compressor 210 can be connected to the inlet 221 of the condenser 220 .
  • these steps have already been carried out outside of method M, if necessary.
  • step M5 takes place an evacuation M5 of the refrigerant circuit 200.
  • This can be done, for example, via an evacuation outlet (not shown) of the compressor 210 and/or using a separate evacuation device, e.g. in the form of a pump, which is connected to the evacuation connection 14 of the connecting pipe 1 and air sucked from the refrigerant circuit 200.
  • the evacuation connection 14 is hermetically sealed (step M6), e.g. by the connecting tube 1 being disconnected and/or soldered between the evacuation connection 14 and the second connection 12.
  • the refrigerant circuit 200 is filled with a refrigerant, for example with a non-halogenated hydrocarbon such as R600a.
  • a refrigerant for example with a non-halogenated hydrocarbon such as R600a.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Power Engineering (AREA)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)

Abstract

L'invention concerne un circuit de fluide frigorigène sans sécheur, en particulier pour un appareil ménager, comprenant un évaporateur pour l'évaporation d'un fluide frigorigène, absorbant ainsi la chaleur ; un condenseur pour condenser le fluide frigorigène, distribuant ainsi de la chaleur ; une conduite de fluide frigorigène avec un tube de raccordement qui est raccordé à une sortie du condenseur ; et un tube capillaire qui est raccordé à une entrée de l'évaporateur, le tube de raccordement présentant une première ouverture de raccordement, qui est formée au niveau d'une première extrémité et qui est raccordée à la sortie du condenseur, et un second raccordement, qui est relié au tube capillaire, et un filtre à particules étant reçu entre le condenseur et le second raccordement du tube de raccordement.
PCT/EP2022/061151 2021-05-04 2022-04-27 Circuit de fluide frigorigène sans sécheur, procédé d'installation d'un circuit de fluide frigorigène, et dispositif de réfrigération WO2022233663A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102021204489.1 2021-05-04
DE102021204489.1A DE102021204489A1 (de) 2021-05-04 2021-05-04 Trocknerloser Kältemittelkreislauf, Verfahren zur Montage eines Kältemittelkreislaufs und Kältegerät

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Publication Number Publication Date
WO2022233663A1 true WO2022233663A1 (fr) 2022-11-10

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PCT/EP2022/061151 WO2022233663A1 (fr) 2021-05-04 2022-04-27 Circuit de fluide frigorigène sans sécheur, procédé d'installation d'un circuit de fluide frigorigène, et dispositif de réfrigération

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DE (1) DE102021204489A1 (fr)
WO (1) WO2022233663A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08178474A (ja) * 1994-12-28 1996-07-12 Matsushita Electric Ind Co Ltd 冷凍装置
DE102014108989A1 (de) * 2014-06-26 2015-12-31 Valeo Klimasysteme Gmbh Verzweiger für einen Kältemittelstrom eines Kältemittelkreislaufs
DE102017216949B3 (de) 2017-09-25 2019-01-24 BSH Hausgeräte GmbH Kältemittelkreislauf und Haushaltskältegerät mit Kältemittelkreislauf
WO2019105526A1 (fr) * 2017-11-28 2019-06-06 Electrolux Laundry Systems Sweden Ab Sèche-linge à culbutage

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08178474A (ja) * 1994-12-28 1996-07-12 Matsushita Electric Ind Co Ltd 冷凍装置
DE102014108989A1 (de) * 2014-06-26 2015-12-31 Valeo Klimasysteme Gmbh Verzweiger für einen Kältemittelstrom eines Kältemittelkreislaufs
DE102017216949B3 (de) 2017-09-25 2019-01-24 BSH Hausgeräte GmbH Kältemittelkreislauf und Haushaltskältegerät mit Kältemittelkreislauf
WO2019105526A1 (fr) * 2017-11-28 2019-06-06 Electrolux Laundry Systems Sweden Ab Sèche-linge à culbutage

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