Defrosting system using actual defrosting time as a...

Details Defrosting system using actual defrosting time as a... Defrosting system using actual defrosting time as a...

F - Mech Eng,Light,Heat,Weapons

25

D

341/4

F25D 21/00 (2006.01)

Patent

CA 1121874

Title: Defrosting System Using Actual Defrosting Time As A Controlling Parameter Inventors: John J. Allard and Robert A. Heinzen ABSTRACT An automatic defrost system in which the actual defrost time of an evaporator coil, for example, is the controlling parameter for establishing a defrost cycle in which the defrost time is no longer than actually required to defrost the coil. The frost accumulation period is automatically lengthened or shortened, as an inverse function of defrost time, to arrive at a predetermined amount of frost build up on the evaporator coil.

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