Anti-frost device for refrigerators

Details Anti-frost device for refrigerators Anti-frost device for refrigerators

1998-05-11

1999-07-27

Doerrler, William

Refrigeration

With means preventing or handling atmospheric condensate...

By external heater

62273, 62277, F25D 2106

Patent

active

059270950

ABSTRACT:
An anti-frost device for refrigerators includes a heating mechanism capable of preventing any frost from being formed at the outlet portion of a cool air distribution duct, thus allowing cool air to effectively circulate in the cabinet of a refrigerator. The heating mechanism may be a pipe passing over the outlet portion of the distribution duct and allowing a high temperature refrigerant from a refrigeration cycle to pass through. Alternatively, the heating means may be an electric heating wire wound around the outlet portion of the distribution duct.

REFERENCES:
patent: 3149476 (1964-09-01), Beckwith
patent: 3371503 (1968-03-01), Perez
patent: 4197718 (1980-04-01), Abraham et al.
patent: 4903501 (1990-02-01), Harl
patent: 5584191 (1996-12-01), Kwon
patent: 5657636 (1997-08-01), Suggs

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