Patent ID: 6722142
Filing Date: 2004-04-20
Classification: F25B,F25D

Abstract:
A refrigerated enclosure comprising:one or more enclosure walls defining an interior refrigerated space; a view panel; a door; a door switch adapted to detect whether the door is open or closed and to transmit a door switch signal indicating whether the door is open or closed; a controller adapted to receive the door switch signal indicating whether the door is open or closed; and a fan adapted to blow air onto at least a portion of the view panel and adapted to be turned on and turned off by the controller; wherein the controller is further adapted to turn the fan on after the door switch signal indicates the door is open, the controller is further adapted to have a delay period of time, and the controller is further adapted to turn the fan off after the delay period of time has elapsed after the door switch signal indicates the door is closed.