Arrangement for controlling the operation of a cooling system in

Details Arrangement for controlling the operation of a cooling system in Arrangement for controlling the operation of a cooling system in

1976-07-26

1977-09-27

King, Lloyd L.

Refrigeration

With vehicle feature

Vehicle contained common power supply

62323, 417205, 418214, B60H 304, F25B 2700, B63H 120, F04B 4900

Patent

active

040502635

ABSTRACT:
The cooling system includes a cyclically operating cooling-medium compressor driven by the vehicle engine. At low to medium engine speeds, corresponding to speeds from idling to city-driving speeds, the cooling system develops a cooling power sufficient to satisfactorily cool the interior of the passenger compartment. At higher engine speeds, corresponding to highway travel, the cooling power developed by the cooling system is automatically decreased by automatically decreasing the per-cycle volumetric throughput of the cooling-medium compressor. The automatic decrease is effected in automatic response to the reaching of a certain engine rpm or a certain condensation pressure in the condenser of the cooling system. In the illustrated embodiment, the compressor is a sliding-vane compressor, and the perrotation volumetric throughput thereof is decreased by arresting certain ones of the vanes in the retracted position.

REFERENCES:
patent: 1538075 (1925-05-01), Wingquist
patent: 1603437 (1926-10-01), Wingquist
patent: 2855761 (1958-10-01), Jacobs
patent: 3241332 (1966-03-01), Harlin
patent: 3365906 (1968-01-01), Zadig
patent: 3828569 (1974-08-01), Weisgerber
patent: 3941505 (1976-03-01), Nasvytis et al.

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