Patent ID: 8405009
Filing Date: 2013-03-26
Classification: F25D,H05B,Y10T

Abstract:
1. A defrost heater that removes frost that is produced on an evaporator of a refrigerating apparatus through which a refrigerant flows, the defrost heater comprising: a heater assembly that comprises: first and second heater assembly PCBs that comprise a number of first and second conductive connection pads that are arranged at predetermined intervals, respectively, and a number of strip type surface heat emission elements that are made of a strip type metal thin plate and both ends of which are connected between the number of the first conductive connection pads of the first heater assembly and the number of the second conductive connection pads of the second heater assembly; a heat transfer board that is closely fixed to one side surface of the evaporator and receives heat generated from the number of the strip type surface heat emission elements that have been mounted on an outer surface of the evaporator and transfers the received heat to the evaporator; and an insulation layer that seals an exposed portion of the heater assembly.