Pressure compensated control for air conditioning system or heat

Details Pressure compensated control for air conditioning system or heat Pressure compensated control for air conditioning system or heat

1978-06-05

1980-09-02

Wayner, William E.

Refrigeration

Automatic control

Refrigeration producer

62226, 62228, 417 19, F25B 4100, F25B 100, F04B 4900

Patent

active

042200130

ABSTRACT:
A pressure compensated safety control is employed to shut off the compressor at high compression ratios, caused, for example, by reduced air flow over the condenser or other reasons. This is especially useful on both reverse cycle heat pumps and conventional, non-reversible refrigeration and air conditioning systems to protect the compressor. In a preferred embodiment, the compensation is provided by making the control responsive to compressor suction pressure.

REFERENCES:
patent: 2102762 (1937-12-01), Summers
patent: 2209979 (1940-08-01), Johnson
patent: 2218944 (1940-10-01), Wolfert
patent: 2367306 (1945-01-01), Newton
patent: 2720084 (1955-10-01), Hailey
patent: 3110160 (1963-11-01), Miner
patent: 3113439 (1963-12-01), Eargle
patent: 3252295 (1966-05-01), Leister, Jr.
patent: 3425628 (1969-04-01), Russell
patent: 3563048 (1971-02-01), Barry

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