Frost detecting device

Details Frost detecting device Frost detecting device

1982-10-19

1984-05-29

Makay, Albert J.

Refrigeration

Automatic control

By accumulation on freezing surface, e.g., ice

250239, 340583, F25D 2102, H01J 502

Patent

active

044506910

ABSTRACT:
A frost detecting device for a refrigeration unit of the type having refrigeration coils and fins. The device is adapted to be mounted on the side of the unit with frost accumulating means projecting from the unit to contact at least one fin in a manner to accumulate frost thereon at about the same rate as the fin. The device carries means for detecting a predetermined amount of frost on the accumulating means, in order to activate a defrosting cycle.

REFERENCES:
patent: 3961495 (1976-06-01), Beauvent et al.
patent: 4021119 (1977-05-01), Stauffer
patent: 4176524 (1979-12-01), Kamiyama et al.
patent: 4232528 (1980-11-01), Behr

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