Automatic defrost controller including air damper control

Details Automatic defrost controller including air damper control Automatic defrost controller including air damper control

2006-11-07

2006-11-07

Ali, Mohammad M. (Department: 3744)

Refrigeration

Automatic control

Of external fluid or means

C062S155000, C062S156000, C062S180000, C062S186000, C062S382000, C062S419000, C137S625300

Reexamination Certificate

active

07131284

ABSTRACT:
A damper apparatus for controlling airflow between compartments in a two compartment refrigerator having a door includes a controller for controlling opening and closing of a damper; and a door sensor connected to the controller for detecting when the door is open. If the controller determines that the door has remained closed for a set period, the controller maintains the damper in the closed position. A method for cleaning a damper in a refrigerator includes a steps of defrosting a refrigeration apparatus of the refrigerator, at least partially opening the damper, followed by waiting for a set period and then at least partially closing the damper. The steps of at least partially opening and waiting are repeated a set number of times and then a cooling operation of the refrigeration apparatus is commenced.

REFERENCES:
patent: 3421338 (1969-01-01), Gidseg
patent: 3486347 (1969-12-01), Gidseg
patent: 3845637 (1974-11-01), Shepherd
patent: 4013434 (1977-03-01), Kronenberger et al.
patent: 4445912 (1984-05-01), Volk et al.
patent: 4689966 (1987-09-01), Nonaka
patent: 4852361 (1989-08-01), Oike
patent: 4903501 (1990-02-01), Harl
patent: 4924680 (1990-05-01), Janke et al.
patent: 5154045 (1992-10-01), Saruwatari et al.
patent: 5201888 (1993-04-01), Beach, Jr. et al.
patent: 5251454 (1993-10-01), Yoon
patent: 5375413 (1994-12-01), Fredell et al.
patent: 5477699 (1995-12-01), Guess et al.
patent: 5490395 (1996-02-01), Williams et al.
patent: 5711159 (1998-01-01), Whipple, III
patent: 5867994 (1999-02-01), Kopko
patent: 5996361 (1999-12-01), Bessler et al.
patent: 6055820 (2000-05-01), Jeong et al.
patent: 6125641 (2000-10-01), Kim et al.
patent: 6622504 (2003-09-01), Lee et al.
patent: 6694758 (2004-02-01), Cho et al.
patent: 6779353 (2004-08-01), Hu et al.

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