Patent ID: 6370903
Filing Date: 2002-04-16
Classification: B60H,B60L,F25B,H01M,Y02E,Y02T

Abstract:
A heat pump for a fuel cell vehicle, comprising:a fuel cell coolant circuit, comprising a fuel cell, a fuel cell coolant, a first fluid pump for applying a workload to the fuel cell coolant, an external evaporator, and a first passageway providing fluid communication between the first fluid pump, the fuel cell, and the external evaporator; and a refrigeration circuit, comprising a refrigerant, a compressor for applying a workload to the refrigerant, an internal condenser on a refrigerant output side of the compressor, the external evaporator of the fuel cell coolant circuit, and a second passageway providing fluid communication between the compressor, the internal condenser, and the external evaporator; wherein the external evaporator communicates with the fuel cell coolant and refrigeration circuits and defines a heat exchange relationship between the fuel cell coolant and the refrigerant, and wherein the internal condenser defines a heat exchange relationship between the refrigerant and air within said vehicle.