Refrigeration control apparatus

Details Refrigeration control apparatus Refrigeration control apparatus

1981-08-05

1983-04-26

Tapolcai, William E.

Refrigeration

Automatic control

Refrigeration producer

138 76, F25B 4900

Patent

active

043809111

ABSTRACT:
A refrigeration system including a pressure actuated switch for controlling the refrigeration compressor. The actuator of the switch is connected directly to the refrigerant line by a small capillary tube so that changes in refrigerant pressure effect changes in the position of the switch. Positioned between the pressure actuated switch and the refrigerant line is a bi-directional check valve which permits refrigerant pressure changes to be transmitted through the capillary line to the pressure actuated switch, but which functions to seal off the refrigerant line in the event of a break in the capillary tube.

REFERENCES:
patent: 701754 (1902-06-01), Moran
patent: 1805700 (1931-05-01), King
patent: 2121936 (1938-06-01), Thomas
patent: 2518827 (1950-08-01), Smith
patent: 2929399 (1960-03-01), Magowan
patent: 3095589 (1963-04-01), Sands
patent: 3252295 (1966-05-01), Leisher, Jr.
patent: 3365906 (1968-01-01), Zadig
patent: 3498075 (1970-03-01), Zumbiel
patent: 3561471 (1971-02-01), Sands
patent: 3861414 (1975-01-01), Peterson
patent: 4030520 (1977-06-01), Sands

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