EP2199707A1 - Wärmetauscher mit Akkumulator kombiniert, in einem Klimaanlagekreislauf - Google Patents

Wärmetauscher mit Akkumulator kombiniert, in einem Klimaanlagekreislauf Download PDF

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Publication number
EP2199707A1
EP2199707A1 EP09177775A EP09177775A EP2199707A1 EP 2199707 A1 EP2199707 A1 EP 2199707A1 EP 09177775 A EP09177775 A EP 09177775A EP 09177775 A EP09177775 A EP 09177775A EP 2199707 A1 EP2199707 A1 EP 2199707A1
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EP
European Patent Office
Prior art keywords
combined device
low pressure
heat exchanger
internal heat
high pressure
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.)
Withdrawn
Application number
EP09177775A
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English (en)
French (fr)
Inventor
Jimmy Lemee
Christophe Denoual
Alain Pourmarin
Eric Goyer
Michel Meiche
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.)
Valeo Systemes Thermiques SAS
Original Assignee
Valeo Systemes Thermiques SAS
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 Valeo Systemes Thermiques SAS filed Critical Valeo Systemes Thermiques SAS
Publication of EP2199707A1 publication Critical patent/EP2199707A1/de
Withdrawn legal-status Critical Current

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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
    • 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
    • F25B43/00—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat
    • F25B43/006—Accumulators
    • 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
    • F25B2400/02—Centrifugal separation of gas, liquid or oil
    • 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

Definitions

  • the present invention is in the field of air conditioning loops cooperating with a ventilation system, heating and / or air conditioning of a motor vehicle. It relates to a combined device comprising an internal heat exchanger and a participating accumulator of such a loop. It also relates to an air conditioning loop comprising such a combined device.
  • a motor vehicle is commonly equipped with a ventilation, heating and / or air conditioning system to regulate the aerothermal parameters of the air contained inside the passenger compartment of the vehicle.
  • a ventilation, heating and / or air conditioning system to regulate the aerothermal parameters of the air contained inside the passenger compartment of the vehicle.
  • Such an installation cooperates with an air conditioning loop to cool a stream of air prior to the delivery of the latter inside the passenger compartment.
  • Said loop comprises a plurality of elements inside which circulates successively a cooling fluid, such as a supercritical fluid, carbon dioxide known under the reference R744 in particular.
  • These elements comprise at least one compressor, a gas cooler, an internal heat exchanger, an expansion member, an evaporator and an accumulator.
  • the refrigerant flows from the compressor to the gas cooler, then through a "high pressure” branch of the internal heat exchanger, then to the expansion member, then through the evaporator, and then to the accumulator, and finally through a branch "low pressure" of the internal heat exchanger, to return to the compressor.
  • the compressor is intended to receive the refrigerant fluid in the gaseous state and to compress it to carry it at high pressure.
  • the gas cooler is adapted to cool the compressed refrigerant at a relatively constant pressure, giving up heat to its environment.
  • the expansion member is able to lower the pressure of the refrigerant leaving the gas cooler by bringing it at least partly in the liquid state.
  • the evaporator is itself capable of passing the coolant in the liquid state from the expansion element, at relatively constant pressure, to the gaseous state, by taking heat from said air flow which passes through the 'evaporator. The vaporized refrigerant is then sucked by the compressor.
  • the accumulator provides a separation function between a gaseous phase and a liquid phase of the refrigerant.
  • the accumulator comprises a separation zone dedicated to this function.
  • the accumulator also provides a storage function for a circulating coolant charge depending on the conditions of use of the air conditioning loop.
  • the accumulator comprises a refrigerant storage zone in the liquid state that said accumulator collects from the evaporator.
  • the accumulator consists of an enclosure housing the separation zone and the accumulation zone, the enclosure comprising a bottom wall which delimits the accumulation zone in the lower part of the enclosure.
  • the internal heat exchanger is configured in such a way that the refrigerant circulating inside the "high pressure” branch can yield the heat to the coolant flowing inside the "low pressure” branch.
  • the document JP 10019421 proposes to associate the internal heat exchanger and the accumulator in a combined device.
  • the latter comprises said enclosure which is provided with an opening closed by a cover.
  • the chamber houses the internal heat exchanger which overhangs the refrigerant storage zone in the liquid state, the heat exchanger being interposed between the separation zone and the accumulation zone, in the use position. of the combined device on the air conditioning loop.
  • the high pressure coolant from the gas cooler enters the interior of the combi device through a "high pressure” inlet through the lid to circulate within the internal heat exchanger and finally be discharged out of the combined device via a "high pressure” outlet also provided through the lid.
  • the low pressure coolant from the evaporator enters the interior of the combi device through a "low pressure" inlet still formed through the lid.
  • the refrigerant fluid at low pressure and in the liquid state tends to accumulate by gravity above the lower wall of the enclosure while the refrigerant fluid at low pressure and in the gaseous state tends to concentrate in a zone upper enclosure.
  • the latter houses a bent duct arranged in a U, a first end of which is disposed in the upper part of the enclosure to admit the refrigerant fluid at low pressure and in the gaseous state into the duct, and convey it to a second end of the conduit in communication with the internal heat exchanger. Inside the latter, the high-pressure refrigerant yields heat to the refrigerant at low pressure.
  • the refrigerant fluid at low pressure and in the gaseous state is discharged out of the internal heat exchanger and out of the combined device through a "low pressure" outlet also formed through the cover.
  • such a combined device consists of a large number of disparate parts which generates manufacturing costs that should be reduced.
  • the device as described in the document JP 10019421 does not take into account the integration of such a combined device in a motor compartment of a vehicle. It seems to be restrictive with regard to the arrangement of the air conditioning loop that the "high pressure” and “low pressure” refrigerant inlet and outlet are all provided on the same side, that is to say through the cover of the air conditioning loop. the enclosure.
  • a first object of the present invention is to provide a combined device comprising a chamber housing an internal heat exchanger and a liquid-medium refrigerant storage zone circulating through the combined device, the structural arrangement of the parts making up said device being as simple as possible, the number of these parts being as small as possible.
  • a second object of the present invention is to provide an air conditioning loop comprising such a combined device, the arrangement of the latter facilitating its integration on the air conditioning loop in certain conformations of the latter.
  • the present invention takes into account the coolant inlet or outlet disposed at each end of the device combined according to the invention. Indeed, the circuit taken by pipes carrying refrigerant in the engine compartment is dictated by the available space in the latter.
  • the connection of two pipes by end of the combined device has a significant advantage compared to a combined device according to the prior art where the four pipes are collected at the same end.
  • the device of the present invention is a combined device comprising an enclosure housing at least one internal heat exchanger and an accumulation zone. Said accumulation zone is delimited by at least one lower wall. The bottom wall is above the internal heat exchanger.
  • the enclosure comprises an upper partition and a lower partition opposite to one another, the upper partition being equipped with a “low pressure” inlet and a “high pressure” outlet while the lower partition is equipped with a “high pressure” inlet and a “low pressure” outlet.
  • the "low pressure” inlet is connected to the “low pressure” outlet via a “low pressure” circulation path that passes through the combined device, the "high pressure” inlet being connected to the "high pressure” outlet. pressure "through a" high pressure "circulation path that passes through the combined device.
  • the upper partition is preferably arranged in a top closure cover of an upper opening that comprises the enclosure, while the lower partition is arranged in a lower cover of a lower opening that also includes the enclosure.
  • the upper cover is advantageously equipped with said "low pressure” inlet and said "high pressure” outlet, while the lower cover is equipped with said "high pressure” inlet and the "low pressure” outlet.
  • the enclosure comprises a tube housing a partition of said separation zone and the internal heat exchanger, the partition wall constituting said bottom wall.
  • the enclosure comprises an upper receptacle and a lower receptacle associated head-to-toe to each other via their respective bottoms which together constitute said bottom wall.
  • the enclosure also houses a separation zone which adjoins the upper lid.
  • the accumulation zone is preferably interposed between the separation zone and the lower wall.
  • a plate is preferably interposed between the separation zone and the accumulation zone.
  • a space is advantageously provided between an edge of the plate and at least one side wall delimiting the accumulation zone.
  • the "high pressure" inlet and the “low pressure” outlet are preferably diametrically opposed to one another with respect to a longitudinal extension axis ⁇ of the combined device, this axis being the longitudinal axis of the pregnant.
  • the "high pressure” inlet, the "low pressure” outlet, the “low pressure” inlet and the “high pressure” outlet are contained in the same general extension plane P of the combined device.
  • the internal heat exchanger preferably comprises at least one flat tube wound on itself.
  • An air conditioning loop of the present invention is mainly recognizable in that said loop comprises such a combined device.
  • the accumulation zone is advantageously above the internal heat exchanger.
  • the bottom wall preferably constitutes a wall for receiving a refrigerant fluid in the liquid state from an evaporator included in said loop.
  • said "low pressure” circulation path constitutes a "low pressure” line BP of the air conditioning loop while said "high pressure” circulation path constitutes a "high pressure” line HP of the air conditioning loop.
  • a ventilation, heating and / or air conditioning equipment fitted to a motor vehicle cooperates with an air conditioning loop 1 for cooling a flow of air 2 prior to the delivery of the latter inside the passenger compartment of the vehicle.
  • the air conditioning loop 1 comprises a compressor 3, a gas cooler 4, an internal heat exchanger 5, an expansion device 6, an evaporator 7 and an accumulator 8 inside which a cooling fluid circulates, such as a supercritical fluid, carbon dioxide known under the reference R744 in particular.
  • the coolant flows from the compressor 3 to the gas cooler 4, then through a "high pressure” branch 9 of the internal heat exchanger 5, then to the expansion member 6, then to the through the evaporator 7, then to the accumulator 8, and finally through a "low pressure” branch 10 of the internal heat exchanger 5, to return to the compressor 3.
  • These provisions are intended to allow an exchange of heat between the coolant flowing at high pressure and at high temperature inside said "high pressure” branch 9 and the coolant flowing at low pressure and at low temperature inside said "low pressure” branch 10, which has the effect of improving a coefficient of performance "COP" of the air conditioning loop 1.
  • the air conditioning loop 1 comprises an HP "high pressure" line which starts at the outlet of the compressor 3 and ends at the inlet of the expansion member 6, in a direction of circulation 11 of the refrigerant fluid inside the control loop. air conditioning 1, the gas cooler 4 and the branch "high pressure" 9 of the internal heat exchanger 5 being interposed between these two points.
  • the air conditioning loop 1 also comprises a "low pressure" BP line which starts at the outlet of the expansion member 6 and ends at the inlet of the compressor 3, in the direction of circulation 11 of the refrigerant inside the loop 1, the evaporator 7, the accumulator 8 and the branch "low pressure" 10 of the internal heat exchanger 5 being interposed between these two points.
  • the accumulator 8 located downstream of the evaporator 7 in the direction of circulation 11 of the refrigerant fluid inside the air conditioning loop 1, allows the recovery of any refrigerant residue in the outgoing liquid state. of the evaporator 7.
  • the accumulator 8 also allows a separation of a gaseous phase and a liquid phase of the refrigerant leaving the evaporator 7.
  • the internal heat exchanger 5 and the accumulator 8 are associated in a combined device 12 forming a monobloc assembly jointly ensuring the functions of the internal heat exchanger 5 and the accumulator 8.
  • the combined character of said device 12 allows the internal heat exchanger 5 and the accumulator 8 to be installed simultaneously on the air conditioning loop 1, the latter forming an integrated assembly. This also has the effect of dispensing with a pipe installed in the engine compartment between the outlet of the accumulator 8 and the inlet of the branch "low pressure" 10 of the internal heat exchanger 5.
  • the combined device 12 has a "high pressure” inlet 13 through which the refrigerant from the gas cooler 4 is admitted inside the combined device 12.
  • the combined device 12 also has a “high pressure” outlet 14 to through which the high pressure refrigerant is discharged from the combined device 12 to the expansion member 6.
  • the "high pressure" inlet 13 and the “high pressure” outlet 14 are connected to each other by the intermediate of the "high pressure” branch 9.
  • the combined device 12 also has a "low pressure” inlet 15 through which refrigerant from the evaporator 7 is admitted into the combined device 12.
  • the combined device 12 finally has a “low pressure” outlet 16 through which the low pressure refrigerant is discharged from the combined device 12 to the compressor 3.
  • the "low pressure" inlet 15 and the “low pressure” outlet 16 are connected one to the other in particular via the branch "low pressure” 10 as well as a separation zone 41 and an accumulation zone 18 that includes the combined device 12.
  • the combined device 12 comprises a sealed enclosure 17 which houses the internal heat exchanger 5, the separation zone 41 between the gas phase and the liquid phase of the refrigerant leaving the evaporator 7 and the accumulation zone 18 refrigerant in the liquid state from the evaporator 7, or more particularly from the separation zone 41.
  • Said separation zone 41 preferably has a cyclonic structure in the sense that the "low pressure" inlet 15 is offset with respect to a longitudinal extension axis ⁇ of the combined device 12 to allow a tangential admission of the cooling fluid from the evaporator 7 within said separation zone 41.
  • These provisions are intended to promote separation between the gas phase and the liquid phase.
  • the accumulation zone 18 is delimited by a lower wall 42 against which the coolant in the liquid state from the evaporator 7 accumulates by gravity.
  • the "low pressure" inlet 15 being, in the position of use of the combined device 12 on the air conditioning loop 1 and / or in the operating position of the combined device 12 alone, placed above the lower wall 42, the fluid The refrigerant in the liquid state naturally falls by gravity from the "low pressure" inlet 15 to the bottom wall 42 to finally rest against it.
  • the bottom wall 42 is preferably perpendicular to the axis of longitudinal extension ⁇ of the combined device 12.
  • the bottom wall 42 is in contact with and is extended by at least one side wall 43 which extends parallel to the axis of longitudinal extension ⁇ of the combined device 12.
  • the lateral wall 43 is for example formed into a cylinder whose axis of symmetry ⁇ 'coincides with the axis of longitudinal extension ⁇ of the combined device 12.
  • the side wall 43 defines an upper opening 26 which is closed by an upper cover 25. It that the lower wall 42, the side wall 43 and the top cover 25 surround the accumulation zone 18 and the separation zone 41. In other words, the accumulation zone 18 and the separation zone 41 are jointly confined between the lower wall 42, the side wall 43 and the top cover 25.
  • the separation zone 41 is contiguous to said upper lid 25, being positioned directly below the latter.
  • the accumulation zone 18 is placed between the separation zone 41 and the bottom wall 42.
  • a plate 44 is interposed between the separation zone 41 and the accumulation zone 18, a space 45 being formed between an edge 46. of the plate 44 and the lateral wall 43 laterally delimiting the accumulation zone 18.
  • the bottom wall 42 which delimits in the lower part the accumulation zone 18, is disposed above the internal heat exchanger 5.
  • the designers of the present invention have made the choice to have the lower wall 42 of the accumulation zone 18, and therefore a fortiori the accumulation zone 18 itself, overhanging the internal heat exchanger 5, while in due to the fact that the coolant in the liquid state from the evaporator 7 concentrates by gravity inside the accumulation zone 18, a combined device according to the prior art has a built-up accumulation zone below the internal heat exchanger.
  • the terms “above”, “below”, “overhang”, “lower” and “upper” are to be understood in the position of use of the combined device 12.
  • the present invention is characterized in that the internal heat exchanger 5 is disposed below said bottom wall 42, which is covered and bathed by the cooling fluid in the liquid state, in the use position and / or in the operating position of the combined device 12.
  • the bottom wall 42 which is opposed to the top cover 25, and finds that according to the present invention, the bottom wall 42 covers the internal heat exchanger with respect to an axis vertical g symbolizing the earth's gravity, this vertical axis g being substantially parallel to said longitudinal extension axis ⁇ and said axis of symmetry ⁇ '.
  • the accumulation zone 18 overhanging or placed above the internal heat exchanger 5 is understood to be higher than the internal heat exchanger 5, along the vertical axis g corresponding to the gravity.
  • this arrangement of the accumulation zone 18 which is higher than the internal heat exchanger 5 is understood to be directly above the internal heat exchanger 5, that is to say contained in a volume defined by the side wall 43 of the combined device 12 according to the invention and above the latter.
  • a "low pressure" circulation path 36 and a "high pressure” circulation path 35 in particular pipes capable of transporting the refrigerant, are reduced to the maximum, to avoid overweight and overcrowding. Such pipes are also straight, which reduces the pressure drops inside the combined device 12 according to the invention. More particularly, said paths 35,36 do not include any angled duct that is highly detrimental to a smooth and homogeneous flow of the refrigerant fluid.
  • a "high pressure" circulation path 35 passes through the combined device 12 parallel to the axis of longitudinal extension ⁇ of the latter from one end to the other (outside the "high pressure” branch 9 of the internal heat exchanger 5).
  • the refrigerant fluid comprises oil to improve the durability of the compressor 3
  • the fact that the accumulation zone 18 overhangs the internal heat exchanger 5 facilitates the reintegration of oil by gravity to the compressor. inside the "low pressure" branch 10 of the internal heat exchanger 5.
  • the internal heat exchanger 5 consists for example of a flat tube wound on itself, preferably around the longitudinal extension axis ⁇ of the combined device 12, the flat tube housing microchannels for the passage of the refrigerant fluid at high pressure, an interstitial space being formed between turns of the flat tube wound to allow passage between these turns of the refrigerant fluid at low pressure.
  • the internal heat exchanger 5 is for example still composed of two flat tubes wound around the longitudinal extension axis ⁇ of the combined device 12 so that the respective turns formed by said tubes are interlocked with one another. 'other.
  • the internal heat exchanger 5 comprises three flat tubes wound spirally, the first tube placed between the two other tubes or sandwiched between these two tubes is the tube participating in the high pressure circuit while the other two tubes are traversed by the refrigerant fluid at low pressure.
  • the top cover 25 constitutes a preferred embodiment of an upper partition 19 of the enclosure 17.
  • a lower cover 27 constitutes a preferred embodiment of a lower partition 20 of the enclosure 17, said lower cover 27 equipping a lower opening 28 of the enclosure 17.
  • the upper partition 19 and the lower partition 20 are opposed to each other, that is to say disposed at two opposite ends of the enclosure 17, the latter preferably being cylindrical and elongated.
  • the upper partition 19 is equipped with the "low pressure" inlet 15 of the refrigerant inside the combined device 12 and the "high pressure” outlet 14 of the refrigerant fluid from the combined device 12.
  • the lower partition 20 is equipped of the "high pressure" inlet 13 of the refrigerant inside the combined device 12 and the "low pressure” outlet 16 of the refrigerant fluid from the combined device 12.
  • the top cover 25 is equipped with the "low pressure” inlet 15 of the refrigerant inside the combined device 12 and the "high pressure” outlet 14 of the refrigerant fluid. of the combined device 12 while the lower cover 27 is equipped with the "high pressure” inlet 13 of the refrigerant inside the combined device 12 and the "low pressure" outlet 16 of the refrigerant fluid from the combined device 12.
  • the combined device 12 is capable of being fluidly connected to the air conditioning loop 1 via the upper and lower partitions 19, and according to the said preferred embodiment by means of the upper covers 25 and It follows that the connections between the combined device 12 and on the one hand the compressor 3 and on the other hand the gas cooler 4 are made via conduits connected to the lower cover 27 while the connections between the device 12 and on the one hand the evaporator 7 and on the other hand the expansion member 6 are made via conduits connected to the top cover 25.
  • Such arrangements facilitate the integration of the combined device 12 on the air conditioning loop 1, and therefore its integration into the engine compartment of the motor vehicle.
  • the "high pressure” inlet 13 and the “low pressure” outlet 16 are arranged diametrically opposite one another relative to the longitudinal extension axis ⁇ of the combined device 12. More particularly, the "high pressure" inlet 13, the “low pressure” outlet 16, the “low pressure” inlet 15 and the “high pressure” outlet 14 are contained in the same longitudinal extension plane P of the combined device 12, such as the plan of Figures 2 and 3 .
  • the diametrically opposite placement makes it possible to free up maximum space to house the connectors of the air conditioning loop ducts.
  • the enclosure 17 takes the form of a cylindrical tube 29 and elongated along the axis of longitudinal extension ⁇ , that is to say whose length is greater than its diameter.
  • the tube 29 houses a partition wall 30 of the accumulation zone 18 and the internal heat exchanger 5.
  • the partition wall 30 constitutes the bottom wall 42, that is to say a bottom receiving the refrigerant fluid in the liquid state above which the latter accumulates.
  • This partition wall 30 is sealed inside the tube 29 so as to prevent any flow of refrigerant from the accumulation zone 18 to the internal heat exchanger 5 under the effect of gravity.
  • the enclosure 17 comprises an upper receptacle 31 and a lower receptacle 32 which are associated head to foot to each other via their respective bottom 33,34.
  • the bottom 33 of the upper receptacle 31 constitutes the bottom wall 42 receiving liquid refrigerant in the liquid state above which it accumulates.
  • the bottom 33 of the upper receptacle 31 overhangs the internal heat exchanger 5.
  • a device 37 for recovering an oil carried by the refrigerant equips the "low pressure" circulation path 36 to facilitate the reintegration of oil upstream of the "low pressure" branch 10 of the internal heat exchanger 5.
  • the accumulation zone 18 is further provided with a desiccant material 38 for drying the coolant at low pressure.
  • the accumulation zone is for example still provided with an oil filter 40 to retain impurities carried by the latter.

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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)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
  • Air-Conditioning For Vehicles (AREA)
EP09177775A 2008-12-22 2009-12-02 Wärmetauscher mit Akkumulator kombiniert, in einem Klimaanlagekreislauf Withdrawn EP2199707A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0807424A FR2940420B1 (fr) 2008-12-22 2008-12-22 Dispositif combine comprenant un echangeur de chaleur interne et un accumulateur constitutifs d'une bouche de climatisation

Publications (1)

Publication Number Publication Date
EP2199707A1 true EP2199707A1 (de) 2010-06-23

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP09177775A Withdrawn EP2199707A1 (de) 2008-12-22 2009-12-02 Wärmetauscher mit Akkumulator kombiniert, in einem Klimaanlagekreislauf

Country Status (5)

Country Link
US (1) US20100155028A1 (de)
EP (1) EP2199707A1 (de)
JP (1) JP2010156538A (de)
CN (1) CN101762132A (de)
FR (1) FR2940420B1 (de)

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DE102012221925A1 (de) * 2012-11-29 2014-06-05 Behr Gmbh & Co. Kg Wärmeübertrager
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FR3125113A1 (fr) * 2021-07-12 2023-01-13 Valeo Systemes Thermiques Module pour circuit de fluide réfrigérant

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US20100155028A1 (en) 2010-06-24
FR2940420A1 (fr) 2010-06-25
JP2010156538A (ja) 2010-07-15
CN101762132A (zh) 2010-06-30

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