Patent ID: 6792769
Filing Date: 2004-09-21
Classification: F24F,F25B,F25D,F28G,Y02B

Abstract:
A cleaning system for the condenser of a refrigeration unit, the system comprising:a compressor including a motor operating in a normal operating mode during a refrigeration cooling cycle, a condenser, a cooling fan including a fan blade; a motor drive system for driving the fan; a power source supplying power to the cleaning system during the refrigeration cooling cycle; and control means for running the fan motor drive system during the refrigeration cooling cycle at a first selected speed in a forward direction to direct air toward the condenser for a first predetermined period of time and at a second selected speed in a reverse direction to direct air away from the condenser for a second predetermined period of time, the first and second periods of time being tolled when power is not supplied to the cleaning system, the speeds and the time periods being effective to prevent formation of lint on the condenser.