Temperature regulation apparatus for a motor vehicle, and...

Details Temperature regulation apparatus for a motor vehicle, and... Temperature regulation apparatus for a motor vehicle, and...

2005-06-07

2005-06-07

Tapolcai, William E. (Department: 3744)

Refrigeration

With vehicle feature

C062S434000

Reexamination Certificate

active

06901765

ABSTRACT:
The apparatus comprises a heat pump (12) having a main refrigerant circuit (14) taking heat from a cold source (16) and transferring it to a hot source (18), and a cooling circuit (48) for cooling an exothermal part, such as an engine, the cooling circuit being connected to a cooling heat exchanger (50). The cold source (16) has a first refrigerant/coolant heat exchanger (24) thermally coupling the main circuit to a first secondary coolant circuit (26) capable of being selectively connected to an “outside” heat exchanger (30), to a “cold” heat exchanger (32), and to the cooling heat exchanger (50). The hot source (18) has a second refrigerant/coolant heat exchanger (34) thermally coupling the main circuit (14) to a second secondary coolant circuit (36) capable of being selectively connected to the outside heat exchanger (30), to a “hot” heat exchanger (39), and to the cooling heat exchanger (50). The invention is applicable to air conditioning a vehicle cabin.

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