Refrigerator anti sweat device

Details Refrigerator anti sweat device Refrigerator anti sweat device

1996-07-15

1997-06-17

Tapolcai, William E.

Refrigeration

With means preventing or handling atmospheric condensate...

Means utilizing heat developed by refrigeration producer

F25B 4700

Patent

active

056386940

ABSTRACT:
This invention relates to an improvement in the operation of a domestic refrigerator. The improvement comprises the addition of a mullion heater to heat an exterior surface by the passage of warm refrigerant through a tube mounted on the interior surface opposing the exterior surface. The tube is embedded in a malleable mastic substance of substantial thermal mass which is capable of maintaining the temperature of the exterior surface above the dew point of the surrounding air during periods when no warm refrigerant is passing through the tube.

REFERENCES:
patent: 2135091 (1938-11-01), Newill
patent: 2420240 (1947-05-01), Haggerty
patent: 2537314 (1951-01-01), Mortensen
patent: 3157306 (1964-11-01), Courson
patent: 3835660 (1974-09-01), Franck
patent: 3984223 (1976-10-01), Whistler, Jr.
patent: 4474017 (1984-10-01), Prada
patent: 4586348 (1986-05-01), Nakayama et al.
patent: 4884415 (1989-12-01), Mandel et al.
patent: 5255531 (1993-10-01), Williams et al.

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