Vapor compression refrigerating device

Details Vapor compression refrigerating device Vapor compression refrigerating device

2006-01-04

2008-07-01

Nguyen, Hoang M (Department: 3748)

Power plants

Fluid motor means driven by waste heat or by exhaust energy...

Having fluid motor motive fluid treating, controlling or...

C060S614000, C060S670000

Reexamination Certificate

active

07392655

ABSTRACT:
In an automotive vehicle having a heater for a heating operation for a passenger room of the vehicle with use of waste heat of an engine, a vapor compression refrigerating device comprises a refrigerating cycle for a cooling operation for the passenger room. The vapor compression refrigerating device further comprises a heating cycle (a heat pump cycle, or a hot gas cycle) for performing a heating operation to engine cooling water by using the high temperature and high pressure refrigerant from a compressor device, wherein a control means activates the heating cycle at a predetermined time before starting an engine when an outside air temperature is lower than a predetermined value. Accordingly, the engine has been already warmed up before a driver gets into the vehicle.

REFERENCES:
patent: 6925824 (2005-08-01), Matsunaga et al.
patent: 6928820 (2005-08-01), Inaba et al.
patent: 2004/0216483 (2004-11-01), Inaba et al.
patent: 2540738 (1996-07-01), None
patent: 2001-301438 (2001-10-01), None
U.S. Appl. No. 11/252,274, filed Oct. 2005, Inaba et al.
U.S. Appl. No. 11/194,370, filed Aug. 2005, Inaba et al.

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