Refrigerant loss monitor

Details Refrigerant loss monitor Refrigerant loss monitor

1990-03-08

1991-04-23

Tanner, Harry B.

Refrigeration

With indicator or tester

Condition sensing

62209, F25B 4900

Patent

active

050090763

ABSTRACT:
A refrigerant loss prevention system is disclosed that monitors a number of variables within a refrigerant circuit including both environmental and refrigerant conditions and arrives at expected refrigerant conditions utilizing the sensed environmental conditions. The sensed refrigerant conditions are compared to the expected refrigerant conditions, and alarms are actuated should the two differ by more than a preset amount. The refrigerant loss prevention system continues to operate when the refrigerant circuit is off to identify leaks even during long periods of down time, such as winter.

REFERENCES:
patent: 3107843 (1963-10-01), Finn
patent: 4220010 (1980-09-01), Mueller et al.
patent: 4236379 (1980-12-01), Mueller
patent: 4328678 (1982-05-01), Kono et al.
patent: 4510576 (1985-04-01), MacArthur et al.
patent: 4611470 (1986-09-01), Enstrom
patent: 4612775 (1986-09-01), Branz et al.
patent: 4677830 (1987-07-01), Sumikawa et al.
patent: 4745765 (1988-05-01), Pettitt

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