Air conditioning apparatus for an electrically-powered motor veh

Details Air conditioning apparatus for an electrically-powered motor veh Air conditioning apparatus for an electrically-powered motor veh

1992-06-17

1994-02-08

Tanner, Harry B.

Refrigeration

Automatic control

Selective heating or cooling

62186, 622387, 62244, 62278, 623245, 62428, 62454, F25B 1300

Patent

active

052840255

ABSTRACT:
An air conditioning system includes: a compressor, an outside air heat exchanger, an outside air heat exchanger fan, an expansion valve, an interior heat exchanger, an interior heat exchanger fan, and a four-way switching valve further comprises an outside air induction/venting device provided outside the outside air heat exchanger. A device for switching or opening/closing the air intakes and/or outlet of the outside air heat exchanger are provided in the outside air induction/venting device and are operated to enable the efficient use of waste heat from the drive shaft motor or inside the passenger compartment, and to provide a defrost cycle in the heat pump heating mode.

REFERENCES:
patent: 2272302 (1942-02-01), Krackowizer
patent: 4527400 (1985-07-01), Greenheck et al.
patent: 4688394 (1987-08-01), Waldorf
patent: 4805689 (1989-02-01), Inada et al.
patent: 4991405 (1991-02-01), Sakano

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