Zexel Valeo Climate Control Corporation

Kazuo Ochiai

Shoji Akiyama

Soichi Kato

Muneo Sakurada

Shin Kurihara

Jun Akaike

A heat exchanger is comprising a core which is consisting of tubes provided with medium passages and fins fitted to the tubes, and tanks to which ends of the tubes are connected, wherein the tube ( ) is formed to have a flat cross-sectional shape by joining ends of one or two plates, the ends of the plates have a contact portion which is formed by bending at least one of the plate ends a plurality of times and overlaying the one end on the other end, and the contact portion is provided with a joint portion ( c) which is formed by placing a part ( e) of the contact portion on the top or bottom flat surface and mutually engaging the both ends of the plate.

Heat exchanger, method of manufacturing the heat exchanger, and method of manufacturing tube for heat exchange

A heat exchanger ( ) is formed by stacking tubes ( ) formed by rolling a flat tube material ( ) with a fin ( ) interposed between the adjacent tubes, joining tanks ( ), ( ) and the tubes, ( ) to appropriately communicate the tubes ( ) and the tanks ( ), ( ), wherein the tube ( ) is provided with a partition ( ) for dividing a passage ( ) of the tube ( ) into passages ( ),( ) and the partition ( ) has an extra section for absorbing a deformation produced when a partition part ( ) and the tube are formed.

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Saitama, Japan

Kazuo Ochiai