Patent ID: 7503382
Filing Date: 2009-03-17
Classification: F25B,F28D,F28F

Abstract:
1. A heat exchanger comprising: a heat exchange section in which a plurality of flat tubes are arranged substantially in parallel in a minor axis direction of the plurality of flat tubes at first intervals with fins disposed between the plurality of flat tubes so as to pass an external fluid in a major axis direction of the plurality of flat tubes; and a header to which at least some flat tubes out of the plurality of flat tubes are connected, the at least some flat tubes protruded from the fins are different in length, the parts of the at least some flat tubes are bent in S-like shape in the minor axis direction between the heat exchange section and the header, end parts of the at least some flat tubes that are connected to the header are gathered and arranged substantially in parallel in a same direction of the heat exchange section at second intervals that are narrower than in the heat exchange section and the minor axis direction of the end parts of the at least some flat tubes and a central axis direction of the header are the same direction.