Super-heat detector for refrigerating apparatus

Details Super-heat detector for refrigerating apparatus Super-heat detector for refrigerating apparatus

1984-07-27

1985-10-08

Wayner, William E.

Refrigeration

With indicator or tester

Condition sensing

62212, 62225, 374143, F25B 4100

Patent

active

045452121

ABSTRACT:
A super-heat detector of refrigerant gas comprises a semiconductor pressure sensor for detecting a pressure of the refrigerant gas in a refrigerating apparatus, a semiconductor temperature sensor for detecting a temperature of said refrigerant gas, and an operational controller which converts an output signal from said semiconductor pressure sensor to a value corresponding to a saturation temperature of said refrigerant gas pressure, and produces an output electrical signal corresponding to super-heat condition of said refrigerant gas by comparison between said corresponding value of the saturation temperature and said output from said semiconductor temperature sensor.

REFERENCES:
patent: 4197990 (1980-04-01), Carberg et al.

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