Patent ID: 6904766
Filing Date: 2005-06-14
Classification: B60H,F25B,F28D,F28F

Abstract:
1. A heater for an air conditioner using waste heat and high pressure refrigerant as heat sources for heating a room, the heater comprising: a plurality of fluid tubes, in which a fluid heated by the waste heat flows, exposed in air to be blown into the room; and a plurality of refrigerant tubes, in which the high-pressure refrigerant flows, exposed in air to be blown into the room, wherein the fluid tubes and the refrigerant tubes are arranged in parallel in a flow direction of air to be blown into the room such that the fluid and the high-pressure refrigerant perform heat exchange therebetween; and a cross-section of each of the fluid tubes and the refrigerant tubes has a rectangular shape having a long side and a thin side, the long side being disposed generally parallel to the flow direction of the air.