Patent ID: 6745827
Filing Date: 2004-06-08
Classification: F25B,F28D,F28F

Abstract:
A heat exchanger, comprising:first and second header pipes arranged at a predetermined distance from each other and parallel to each other, each of said first and second header pipes having at least two chambers independently separated by a partition wall; a plurality of tubes separately connecting the chambers of the first and second header pipes that face each other, wherein the tubes are divided into at least two tube groups each having a single refrigerant path; a refrigerant inlet pipe which is formed at the chamber disposed at one end portion of the first header pipe, and through which a refrigerant is supplied; a plurality of return holes which are formed in the partition wall to connect two chambers adjacent to each other, and through which the refrigerant sequentially flows through the tube groups; and a refrigerant outlet pipe which is formed at the chamber of one of the first and second header pipes that is connected to a final tube group of the tube groups along the flow of the refrigerant, and through which the refrigerant is exhausted.