T.rad Co., Ltd.

Toshimichi Kobayashi

Takazi Igami

Jyohei Yamamoto

Hiroshi Saitoh

A connection structure is provided for connecting heat exchangers () to each other for exchanging heat between a first fluid flowing in body parts () and a second fluid flowing in heat transfer pipes () disposed in the body parts (). The connection structure includes connection holes () provided in the body parts () of the heat exchangers () and a press-formable connection member (), connected to the outer surfaces of the body parts () for fluidly coupling the connecting holes () so that the body parts () are allowed to communicate with each other.

Structure for connecting heat exchangers

The present invention provides an EGR cooler that is easy to manufacture and can accelerate heat exchange. Round in section tubes are plastically deformed in one plane crossing centerlines thereof such that corrugated exhaust gas flow paths are formed inside the tubes.

Growing community of inventors

Tokyo, Japan

Toshimichi Kobayashi