Refrigeration – Time or program actuator – Defrosting
Reexamination Certificate
2005-02-08
2005-02-08
Tapolcai, William E. (Department: 3744)
Refrigeration
Time or program actuator
Defrosting
C062S154000, C062S155000
Reexamination Certificate
active
06851270
ABSTRACT:
An integrated refrigeration control (IRC) module is disclosed which combines both thermal and electrical protection to the main components of a refrigerator and uses sensor inputs to control the compressor. The IRC module employs triacs (Q2, Q4, Q6, Q8, Q10) to control power to the start and run windings of the compressor motor, evaporator and compressor fans and the defrost heater. The module adaptively controls the refrigerator defrost cycle using pervious defrost cycle run times to determine new cumulative compressor run times. Also disclosed is the use of preventive defrost periods performed for brief periods at intervals between portions of the cumulative compressor run time.
REFERENCES:
patent: 3839878 (1974-10-01), Tilmanis
patent: 4604871 (1986-08-01), Chiu et al.
patent: 4843833 (1989-07-01), Polkinghorne
patent: 4858443 (1989-08-01), Denpou
patent: 4879878 (1989-11-01), Polkinghorne
patent: 4938027 (1990-07-01), Midlang
patent: 5415005 (1995-05-01), Sterber et al.
patent: 5433086 (1995-07-01), Cho et al.
patent: 5488834 (1996-02-01), Schwarz
patent: 5539608 (1996-07-01), Hurley et al.
patent: 5555736 (1996-09-01), Wills et al.
patent: 5743099 (1998-04-01), Kraynak et al.
patent: 6248983 (2001-06-01), Yamanoi
patent: 6497108 (2002-12-01), Collins et al.
patent: 6739146 (2004-05-01), Davis et al.
patent: 408261629 (1996-10-01), None
Ali Mohammad M.
Baumann Russell E.
Tapolcai William E.
Telecky , Jr. Frederick J.
Texas Instruments Incorporated
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