Device for air-conditioning the passenger compartment and for co

Details Device for air-conditioning the passenger compartment and for co Device for air-conditioning the passenger compartment and for co

1994-08-19

1996-01-16

Sollecito, John M.

Refrigeration

Intermediate fluid container transferring heat to heat...

With indirect fluid pump or agitator

62243, 165 43, 180 651, 180 682, B60H 132

Patent

active

054838070

ABSTRACT:
A device for air-conditioning the passenger compartment and for cooling the drive system of electric vehicles includes an air-guide duct connected on the inlet and outlet sides to the passenger compartment and having heat exchangers disposed one behind the other therein in the air-flow direction. One of the heat exchangers, which, together with a circulating pump and a cold store, is incorporated within a circuit of a cold-transporting medium. The circuit is run via the evaporator of a refrigeration unit. The other heat exchanger, together with a circulating pump and a heat store, is incorporated within a circuit of a heat-transporting medium. The circuit is run via the drive system of the electric vehicle for vehicle-cooling purposes. With the aim of reducing the weight of the device without altering the storage capacity of the cold and heat stores, these are formed by a single energy store, which, by at least one switchover valve, can be switched alternately into the cold-transporting-medium or heat-transporting-medium circuit. As the cold- and heat-transporting medium, the same liquid transmission medium is used.

REFERENCES:
patent: 4556171 (1985-12-01), Fukami et al.
patent: 4751967 (1988-08-01), Sumikawa et al.
patent: 5277038 (1994-01-01), Carr
patent: 5305613 (1994-04-01), Hotta et al.

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