Cleaning system for refrigerator condenser

Details Cleaning system for refrigerator condenser Cleaning system for refrigerator condenser

2006-04-11

2006-04-11

Ford, John K. (Department: 3753)

Refrigeration

With repair, assembly or disassembly means

C062S231000, C062S303000, C062S157000, C165S232000, C165S095000, C165S097000, C165S303000

Reexamination Certificate

active

07024878

ABSTRACT:
This cleaning system includes a compressor driven by a motor, a condenser; a cooling fan for directing an air stream at the condenser during normal operation, a motor drive system for driving the fan, and a timing device for reversing the rotational direction of the fan motor to direct the stream of cooling air away from the condenser to remove debris collected on the condenser and clean the condenser during a cleaning cycle. The fan is driven by drive system having a solid state commutated motor or a drive system having a reversible permanent split capacitor motor. The timing device includes a timer for controlling the time periods during the normal operation (cooling) cycle and during the cleaning cycle.

REFERENCES:
patent: 4934390 (1990-06-01), Sapp
patent: 6792769 (2004-09-01), Trulaske, Sr.

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