| 摘要 |
PROBLEM TO BE SOLVED: To provide a heat exchanger enabling an increase in cooling performance by distributing a liquid-phase refrigerant separated into a gas and a liquid in header tanks uniformly to the inlet end parts of a plurality of flat tubes. SOLUTION: This heat exchanger comprises the plurality of flat tubes 133 for flowing the refrigerant therein and the inlet side header tank 134 and the outlet side header tank 136 longitudinally arranged parallel with the inlet end part and the outlet end part of the flat tubes 133, and disposed horizontally. The plurality of flat tubes 133 are formed so that tube pitches near the inlet end parts are smaller than those at the other portions and so as to be connected to the inlet side header tank 134. Thus, the cooling performance of the heat exchanger can be increased. COPYRIGHT: (C)2005,JPO&NCIPI
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