Controls for refrigerating or air-conditioning units

Details Controls for refrigerating or air-conditioning units Controls for refrigerating or air-conditioning units

1986-01-22

1987-04-28

Wayner, William E.

Refrigeration

Automatic control

Of external fluid or means

62212, 62225, F25B 3904, F25B 4100

Patent

active

046603875

ABSTRACT:
Disclosed is a control device having a detector for detecting the degree of superheating or supercooling of refrigerating or air-conditioning units. The detector includes a pressure responsive chamber for guiding the pressure of a coolant and a diaphragm disposed therein. The diaphragm is connected with a temperature-responsive cylinder for sensing the temperature of the coolant and a connecting rod. The connecting rod moves corresponding to the pressure and temperature of the coolant, and the position thereof is sensed by a position sensor means.

REFERENCES:
patent: 2701688 (1955-02-01), Dillman
patent: 3613391 (1971-10-01), Harter

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