Defrosting

Details Defrosting Defrosting

2006-11-07

2006-11-07

Jones, Melvin (Department: 3744)

Refrigeration

Automatic control

Of closed system sorbent type

C062S154000, C062S186000, C062S408000

Reexamination Certificate

active

07131282

ABSTRACT:
The present invention relates to an apparatus and method for defrosting an absorption refrigerator comprising the steps of determining a defrost start time for defrosting of the low temperature compartment and higher temperature compartment, starting the absorption refrigerating system at the defrost start time independent of other control parameters determining start and stop of the absorption refrigerating system, detecting stop of the absorption refrigerating system, applying heat to the first tube section using the first heater, detecting end of low temperature compartment defrosting, starting the absorption refrigerating system after end of low temperature compartment defrosting, and applying heat to the second tube section using the second heater.

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patent: 4258554 (1981-03-01), Asselman et al.
patent: 4375750 (1983-03-01), Blomberg
patent: 4660385 (1987-04-01), Macriss et al.
patent: 5231844 (1993-08-01), Park
patent: 5557941 (1996-09-01), Hanson et al.
patent: 5966951 (1999-10-01), Hallin et al.
patent: 0 707 183 (1995-10-01), None

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