Refrigeration – Automatic control – Time or program actuator
Patent
1997-12-23
1999-10-05
Tanner, Harry B.
Refrigeration
Automatic control
Time or program actuator
622281, 165269, F25B 4902
Patent
active
059606398
ABSTRACT:
To regulate a cooling system operation, a value from an energy value sensor such as a thermostat or pressuretrol is sensed and, if the value warrants a call for compressor operation, the call is made. The last compressor off-call-time is stored in memory. If the off-call-time is less than a short-cycle interval, the compressor is delayed to allow substantial compressor pressure equalization. Compressor operation is delayed further for a percentage of the off-call-time. compressor on-time is also measured and, if on for a substantial interval, the compressor is given a short rest. Improved efficiency results.
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Intellidyne, LLC
Schwartz Harvey
Tanner Harry B.
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