Monitor for refrigeration system

Details Monitor for refrigeration system Monitor for refrigeration system

1988-12-08

1990-01-02

Tanner, Harry B.

Refrigeration

With indicator or tester

Operatively correlated with automatic control

62129, 622281, 62158, F25B 4900

Patent

active

048904597

ABSTRACT:
A monitor for detecting air leaks during the operation of a closed vapor compression refrigeration system having a refrigerant compressor driven by a prime mover. An oxygen sensor is disposed in the discharge manifold of the compressor, and the electrical output of the sensor is compared with a reference voltage by a comparator. When an air leak is detected by the comparator, refrigerant control responsive to such detection provides an alarm and/or shuts down the refrigeration system.

REFERENCES:
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patent: 4325223 (1982-04-01), Cantley
patent: 4344293 (1982-08-01), Fujiwara et al.
patent: 4637987 (1987-01-01), Minten et al.

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