Refrigerator with a device for opening/closing cool air discharg

Details Refrigerator with a device for opening/closing cool air discharg Refrigerator with a device for opening/closing cool air discharg

1998-04-03

1999-11-23

Tanner, Harry B.

Refrigeration

With indicator or tester

Position or extent of motion of movable element

62186, 62187, 62276, F25D 1708

Patent

active

059879041

ABSTRACT:
A refrigerator which has a device for opening/closing cool air discharge ports is disclosed. The device includes plates for opening/closing the ports, and an operation member having racks for driving the plates, and a motor for driving the operation member. The heat exchange between an evaporator and the outside warm air is prevented during the defrosting operation and when a door is open. Hence the cooling efficiency is enhanced and the frost caused by the outside warm air is not generated on the evaporated.

REFERENCES:
patent: 2527368 (1950-10-01), McGrath
patent: 3126716 (1964-03-01), De Witte
patent: 3425236 (1969-02-01), Steed et al.
patent: 4569206 (1986-02-01), Mitani et al.
patent: 5490394 (1996-02-01), Marques et al.

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