G - Physics – 08 – B
Patent
G - Physics
08
B
340/139
G08B 19/02 (2006.01) F25B 49/00 (2006.01) F25D 21/02 (2006.01)
Patent
CA 1089949
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.
299233
Fetherstonhaugh & Co.
Taylor John H.
LandOfFree
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