F - Mech Eng,Light,Heat,Weapons – 25 – D
Patent
F - Mech Eng,Light,Heat,Weapons
25
D
341/3
F25D 21/08 (2006.01)
Patent
CA 1315370
ABSTRACT OF THE DISCLOSURE A method is disclosed to vary the time between defrost operations to ensure acceptable frost build-up in a refrigeration device before initiating a defrost operation. The time period of a defrost operation is measured. If the measured time is below an acceptable range, the value for the time before the next defrost operation is increased over its previous value. If the measured time is within the acceptable range, the value remains the same. If the measured time is beyond the acceptable range, but less than a reset trigger time, the value is decreased. If the measured time is greater than the reset trigger time, the value is set to a known reset time.
586369
Beach Sammie C.
Bonicatto Damian G.
Jahr Richard T.
Kasparek Edward F.
Mawby Harold S.
Cassan Maclean
White Consolidated Industries Inc.
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