Air conditioner for hybrid vehicle

Details Air conditioner for hybrid vehicle Air conditioner for hybrid vehicle

2005-04-05

2005-04-05

Tapolcai, William E. (Department: 3744)

Refrigeration

With alternately usable energy sources

C062S244000, C062S323100

Reexamination Certificate

active

06874330

ABSTRACT:
In an air conditioner for a hybrid vehicle, an air conditioning unit performs air-conditioning operation by electrical power supplied from a battery. When a residual charging degree of the battery becomes equal to or lower than a target degree, an electrical motor generator is driven by a vehicle engine so that the battery is charged through the electrical motor generator. Further, when a rotation speed of the engine is lower than a predetermined speed or when a power generation efficiency due to the engine is lower than a predetermined efficiency, air-conditioning capacity of the air conditioning unit is set lower, so that a consumption power of the air conditioner is restricted. Accordingly, the frequency for starting the engine only for charging the battery can be reduced.

REFERENCES:
patent: 6230507 (2001-05-01), Ban et al.
patent: 6515448 (2003-02-01), Iritani et al.
patent: 6530426 (2003-03-01), Kishita et al.
patent: 6688120 (2004-02-01), Aoki et al.
patent: 20020112489 (2002-08-01), Egawa et al.
patent: 20020124580 (2002-09-01), Suitou et al.

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