F - Mech Eng,Light,Heat,Weapons – 25 – D
Patent
F - Mech Eng,Light,Heat,Weapons
25
D
341/27
F25D 21/06 (2006.01) F25D 21/00 (2006.01) G05D 23/24 (2006.01)
Patent
CA 1262944
Refrigerator Temperature and Defrost Control Abstract A refrigerator temperature and defrost control according to the present invention includes means for sensing the temperature of a portion of cooling means within the refrigerator, means for determining when a particular frost load has accumulated on the portion of the cooling means, means coupled to the determining means for energizing defrost means for de-icing the portion of the cooling means when the particular frost load has ac- cumulated and means coupled to the sensing means for de- energizing the defrost means when at least a portion of the frost load has been removed and for energizing the cooling means when the temperature of the portion thereof reaches a predetermined temperature during the time the defrost means is de-energized. The temperature and de- frost control of the present invention makes multiple use various components thereof to reduce the cost and com- plexity of the control and to increase the effectiveness thereof.
519000
Corporation Whirlpool
Kirby Eades Gale Baker
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