Air-conditioner for automobiles

Details Air-conditioner for automobiles Air-conditioner for automobiles

1989-12-18

1990-08-21

Tapolcai, William E.

Refrigeration

Disparate apparatus utilized as heat source or absorber

With vapor compression system

62244, 623231, 623246, 165 42, 237 2B, F25B 2702

Patent

active

049495534

ABSTRACT:
An automobile air-conditioner of the type having a heat pump includes an exhaust gas heat exchanger for heating an engine cooling water by means of engine exhaust gas for rapidly increasing the temperature of air passing through a heater core when the heating operation is started, and a bypass passage bypassing a part of the engine cooling water and disposed in contact with a heat exchanger of the heat pump so as to achieve heat exchange operation between a refrigerant and the engine cooling water.

REFERENCES:
patent: 2783622 (1957-03-01), Bowassa
patent: 3070975 (1963-01-01), Cornelius
patent: 3214100 (1965-10-01), Aronson et al.
patent: 4616484 (1986-10-01), Mehdi et al.
patent: 4688394 (1987-08-01), Waldorf
patent: 4697434 (1987-10-01), Yuyama

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