Unloadable transport refrigeration unit control

Details Unloadable transport refrigeration unit control Unloadable transport refrigeration unit control

1980-09-17

1982-05-04

Makay, Albert J.

Refrigeration

Automatic control

Selective heating or cooling

62196A, 62196B, 62228, F25B 1300, F25B 100

Patent

active

043275583

ABSTRACT:
A hot gas pressure switch 29 is provided to be responsive to pressure in a hot gas line 22 which will have a significant pressure value only during a heat or defrost mode, to unload cylinders of a transport refrigeration compressor to avoid overload, so that the compressor can operate with a substantially greater discharge pressure in a cooling mode without penalty.

REFERENCES:
patent: 2920812 (1960-01-01), Courtney, Jr.
patent: 2962873 (1960-12-01), Anderson
patent: 3010289 (1961-11-01), Kuklinski
patent: 3768274 (1973-10-01), Fink

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