Patent ID: 7823406
Filing Date: 2010-11-02
Classification: B60H,F25B,F28D,F28F

Abstract:
1. A heat exchanger comprising: a refrigerant inlet header having a refrigerant inlet at one end thereof; and a plurality of heat exchange tubes extending vertically and arranged at a spacing longitudinally of the inlet header and each having an upper end joined to the inlet header, wherein the inlet header having has an interior portion divided by a flow dividing control means device into a first space and a second space parallel to and below the first space, the first space admitting a refrigerant thereinto through the refrigerant inlet, the upper end of each of the heat exchange tubes communicating with only the second space and a communication portion provided to communicate the first and second spaces, and the refrigerant flows from the first space into the second space through the communication portion while making a U-turn from the first space to the second space so as to change a course opposite to a direction of flow of the refrigerant in the first space.