Patent ID: 6523358
Filing Date: 2003-02-25
Classification: F25B,F25D

Abstract:
A method for defrosting a household refrigeration appliance including a compressor and a refrigeration compartment having a door, said method comprising the steps of:setting a defrost interval (X) to an predetermined initial value (Xinitial); initiating a defrost cycle after the defrost interval has elapsed and the compressor is not running; after initiating said defrost cycle, terminating said defrost cycle as determined by a defrost termination thermostat, the period between initiating and terminating the defrost cycle being referred to as a defrost time (T); decreasing said defrost interval (X) by a set amount if said defrost time (T) is greater than a set ideal maximum defrost time (Trange,max); and increasing said defrost interval (X) by a set amount if said defrost time (T) is less than a set ideal minimum defrost time (Trange,min).