| 摘要 |
PROBLEM TO BE SOLVED: To obtain a heat exchanger in which heat exchanging efficiency is enhanced greatly while realizing reduction in size and weight and significant reduction in material cost and manufacturing cost. SOLUTION: The heat exchanger has a housing 5 comprising a plurality of fin plates 2,... having a large number of slit-like branch channels 3,... formed on the surface and rear by bending a plate member in zigzag, a pair of facing plate parts 5p, 5q having inner face parts 5pi, 5qi touching the bottom face parts 3d,... of the branch channels 3,... in the fin plates 2,... and outer face parts 5po, 5qo to be fixed with a cooler or a heater, and a conduction space 4 in which a plurality of fin plates 2,... are contained while being arranged.
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