Damper device for refrigerator

Details Damper device for refrigerator Damper device for refrigerator

2007-06-19

2007-06-19

Ali, Mohammad M. (Department: 3744)

Refrigeration

Gas controller or director

Cooled gas directed relative to cooled enclosure

Reexamination Certificate

active

10906957

ABSTRACT:
A damper device for a refrigerator has a step motor used as the power source for rotating a baffle to open/close the cold air passage of the refrigerator in a more secured manner. The damper device for a refrigerator includes a frame installed in the cold air passage of the refrigerator and provided with an opening at the center thereof, a baffle rotatably installed on the frame to open/close the opening, a gear-equipped step motor installed on a surface of the frame and having a reduction gear and a motor integrally formed therein to transmit a rotation force necessary for opening/closing operation of the baffle, and a stopper adapted to mechanically limit the baffle in such a manner that it can be positioned in the desired opening position.

REFERENCES:
patent: 3170680 (1965-02-01), Keefer
patent: 4245481 (1981-01-01), McDermott
patent: 5117900 (1992-06-01), Cox
patent: 5876014 (1999-03-01), Noritake et al.
patent: 6244564 (2001-06-01), Noritake
patent: 6338467 (2002-01-01), Mabboux et al.
patent: 6364211 (2002-04-01), Saleh
patent: 2004/0084542 (2004-05-01), DeYoe et al.
patent: 3-265444 (1991-11-01), None

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