Refrigeration – Processes – Defrosting or frost inhibiting
Patent
1986-04-24
1987-09-22
Tanner, Harry
Refrigeration
Processes
Defrosting or frost inhibiting
62155, F25D 2100
Patent
active
046946578
ABSTRACT:
Apparatus and a method for determining the appropriate time-to-initiate a defrost cycle in conjunction with a refrigeration circuit having a heat exchanger upon which frost may accumulate. The elapsed time period from a previous defrost cycle is used to adjust the time between defrost cycles such that the time period between defrost cycles is varied as a function of the length of the previous deforst cycle.
REFERENCES:
patent: 3890798 (1975-06-01), Fujimoto et al.
patent: 4156350 (1979-05-01), Elliott et al.
patent: 4251988 (1981-02-01), Allard et al.
patent: 4251999 (1981-02-01), Tanaka
Hayter Robert P.
Spectrol Electronics Corporation
Tanner Harry
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