Heating cycle system of a vehicle

Heating systems – Ventilating – Enclosed radiator

Patent

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Details

237 123C, 417325, B60H 106

Patent

active

055646271

ABSTRACT:
The invention relates to a heating cycle system of a motor vehicle which includes the vehicle internal combustion engine, a heating device which is independent of the engine, an interior heat exchanger, a circulating pump, and a bypass line which connects a return line to a flow line. According to the invention the circulating pump is driven by a reversible electric motor and is used as a control element for selective operation of a small cycle including only the heating device and the vehicle heat exchanger or a large cycle which also includes the internal combustion engine. The direction of operation of the circulating pump controls a valve which directs fluid to either the small or the large cycle.

REFERENCES:
patent: 5431340 (1995-07-01), Schirpke et al.

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