Temperature control device for motor vehicle, for example electrical or hybrid

• US 20050061497A1
• Filed: 10/11/2002
• Published: 03/24/2005
• Est. Priority Date: 10/12/2001
• Status: Abandoned Application

• Current Assignee: Peugeot Citroen Automobile SA (Stellantis NV)
• Original Assignee: Peugeot Citroen Automobile SA (Stellantis NV)
• Inventors: Dumoulin, Pierre, Amaral, Manuel
• Application Number:
  US10/492,573
• Publication Number:
  US 20050061497A1
• Time in Patent Office: Days
• US Class Current: 165/202
• CPC Class Codes: B60H 1/00278 for the battery arrangement of batteries B60R16/04
• CPC Class Codes: B60H 1/00357 Air-conditioning arrangements specially adapted for particular vehicles
• CPC Class Codes: B60H 1/00385 for vehicles having an electrical drive, e.g. hybrid or fuel cell
• CPC Class Codes: B60H 1/00392 for electric vehicles having only electric drive means
• CPC Class Codes: B60H 1/00885 Controlling the flow of heating or cooling liquid, e.g. valves or pumps B60H1/00899 takes precedence; constructions of valves B60H1/00485
• CPC Class Codes: B60H 1/00899 Controlling the flow of liquid in a heat pump system controlling the properties of the refrigerant liquid, e.g. pressure or temperature, B60H1/3204
• CPC Class Codes: B60H 2001/00307 Component temperature regulation using a liquid flow
• CPC Class Codes: B60H 2001/00928 comprising a secondary circuit
• CPC Class Codes: B60H 2001/00942 comprising a plurality of heat exchangers, e.g. for multi zone heating or cooling
• CPC Class Codes: F01P 2050/24 Hybrid vehicles
• CPC Class Codes: F01P 2060/08 Cabin heater
• CPC Class Codes: F01P 9/06 by use of refrigerating apparatus, e.g. of compressor or absorber type
• CPC Class Codes: F25B 2309/061 with cycle highest pressure above the supercritical pressure
• CPC Class Codes: F25B 25/005 using primary and secondary systems
• CPC Class Codes: F25B 40/00 Subcoolers, desuperheaters or superheaters
• CPC Class Codes: F25B 5/02 arranged in parallel
• CPC Class Codes: F25B 5/04 arranged in series
• CPC Class Codes: F25B 9/008 the refrigerant being carbon dioxide

Abstract

The temperature regulation device (10) comprises a heat pump (12) having a main refrigerant fluid circuit (14) taking heat from a cold source (16) and transferring it to a hot source (18), the cold source (16) including a refrigerant fluid/air heat exchanger (26) designated as first evaporator. The cold source (16) also comprises a refrigerant fluid/coolant liquid heat exchanger (28) designated as second evaporator (28), thermally coupling the main refrigerant fluid circuit (14) to a secondary coolant liquid circuit (38) capable of being connected at least to a first secondary heat exchanger (42, 44) in heat exchange with a first heat source of the vehicle. The first and second evaporators (26, 28) being connected in parallel.

Claims

1-16. -16. (canceled)

17. A temperature regulation device of a motor vehicle, the device comprising a heat pump including a main refrigerant fluid circuit comprising a main refrigerant fluid that transfers heat from a cold source to a hot source, the cold source comprising a first evaporator connected in parallel to a second evaporator, the first evaporator adapted to exchange heat between refrigerant fluid and air, the second evaporator adapted to exchange heat between refrigerant fluid and a coolant liquid, the main refrigerant fluid circuit thermally coupled to a secondary coolant liquid circuit capable of being connected to at least one secondary heat exchanger adapted to exchange heat with at least one heat source of the vehicle.

18. The device of claim 17, wherein the device includes a plurality of secondary cooling liquid circuits connected to respective heat sources.

19. The device of claim 18, wherein the secondary heat exchangers are connected in parallel.

20. The device of claim 17, wherein the main refrigerant fluid circuit comprises first and second parallel evaporator branches connected respectively to the first and second evaporators, each evaporator branch including an expansion valve.

21. The device of claim 20, wherein the first evaporator branch includes a regulator valve for regulating fluid flow rate.

22. The device of claim 21, wherein the main refrigerant fluid in the main refrigerant fluid circuit flows from an upstream position to a downstream position, and the valve is disposed downstream from the first evaporator.

23. The device of claim 21, wherein a single member comprises the expansion valve and the regulator valve.

24. The device of claim 17, wherein the secondary cooling liquid circuit includes a circulation pump for moving the cooling liquid.

25. The device of claim 17, wherein the hot source includes a condenser including a refrigerant fluid/air heat exchanger.

26. The device of claim 25, wherein the condenser is disposed in an engine compartment of the vehicle.

27. The device of claim 17, wherein the first evaporator is disposed in a cabin of the vehicle.

28. The device according to claim 17, wherein the second evaporator is disposed in a portion of the vehicle that is distinct from a cabin of the vehicle.

29. The device of claim 18, wherein each secondary heat exchanger is disposed in a portion of the vehicle that is distinct from a cabin of the vehicle.

30. The device of claim 17, wherein the hot source comprises an exothermal member of the vehicle.

31. The device of claim 30, wherein the exothermal member is selected from the group consisting of an electronic power device, a power supply battery for an electrical vehicle drive motor, a fuel cell, and the air for supercharging a heat engine of the vehicle.

32. The device of claim 17, wherein the refrigerant fluid of the main circuit comprises R134a type fluid.

33. The device of claim 17, wherein the refrigerant fluid of the main circuit comprises carbon dioxide.

34. The device of claim 33, wherein the main refrigerant fluid flows from an upstream position through a compressor to a downstream position through a condenser, and the main circuit includes an intermediate heat exchanger passing both an upstream branch of the main circuit upstream from the compressor and a downstream branch of the main circuit downstream from the condenser.