Patent ID: 7493774
Filing Date: 2009-02-24
Classification: B67D,F25C,F25D

Abstract:
1. A refrigerator comprising: a cabinet within which is defined a refrigeration compartment; a door pivotally mounted to the cabinet for selectively closing the refrigeration compartment; a dispensing unit for dispensing a water product, said dispensing unit including a dispensing switch selectively operated by a consumer; a drive unit which, when activated, causes the water product to be delivered to the dispensing unit; a first control circuit for activating the drive unit, said first control circuit including a control switch electrically connected between a first voltage source, having a first voltage level, and the drive unit; a second control circuit linked to the first control circuit, said second control circuit including a switching device electrically coupled between a second voltage source, having a second voltage level which is different than the first voltage level, and the first control circuit; and at least one processor supplying power to the dispensing switch at a third voltage level which is different than the first voltage level, wherein operation of the dispensing switch by a consumer, activates the switching device and enables actuation of the control switch to couple the drive unit to the first voltage source causing the water product to be delivered to the dispensing unit.