Device for heating and/or air-conditioning the passenger...

Details Device for heating and/or air-conditioning the passenger... Device for heating and/or air-conditioning the passenger...

2007-02-27

2007-02-27

Ford, John K. (Department: 3744)

Heat exchange

With timer, programmer, time delay, or condition responsive...

Having heating and cooling capability

C237S00200B, C237S01230B, C237S01230R, C062S196400, C062S238600, C062S238700, C062S323100

Reexamination Certificate

active

09802982

ABSTRACT:
A device for air-conditioning a motor vehicle has an engine-cooling loop, a heat-pump loop containing a compressor, an evaporator as cold source of the heat pump and a condenser as hot source of the heat pump. The condenser is integrated into the engine-cooling loop upstream of the air heater. An air-conditioning branch has a condenser and an evaporator with an upstream end connected to the heat-pump loop downstream of the compressor, and a downstream end connected to the heat-pump loop upstream of the compressor. Switching means make it possible to make the refrigerant fluid circulate either in the heat-pump loop, or in the heat-pump branch, in such a way as to form a heat-pump loop.

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