Patent ID: 6233958
Filing Date: 2001-05-22
Classification: F24H

Abstract:
An improved heat pump water heater of the type having a water tank with an exterior surface and defining a water chamber, a top on the water tank with at least one opening therethrough in communication with the water chamber, and a heat pump of the type having a compressor, the compressor being in fluid communication with a condenser assembly via a first refrigerant conduit, the condenser assembly being in fluid communication with an expansion device through a second refrigerant conduit, the expansion device being in fluid communication with an evaporator through a third refrigerant conduit, the evaporator being in fluid communication with the compressor through a forth refrigerant conduit and control means therefor, the improvement comprising:disposing the condenser assembly through the opening in the top of the water tank and into the water chamber, the condenser assembly comprising an elongate outer body having a closed bottom end and an open and opposed upper end in flow communication with the first refrigerant conduit, and an elongate inner body disposed within the outer body and having an open bottom end and a closed and opposed top end in flow communication with the second refrigerant conduit.