Yutaka Giken Co., Ltd.

Tomoyuki Uchida

Toru Hisanaga

Shingo Oshimizu

Akihiro Kawamata

Toshihiro Kondo

Teruaki Hyodo

A heat exchange device includes a thermoactuator that controls a valve to open and close one or the other of two fluid passageways. The thermoactuator includes a temperature-sensitive portion arranged to slidably advance a rod that actuates the valve as the temperature sensed by the temperature-sensitive portion increases. A stopper is positioned to abut the rod to limit advancement of the rod to thereby limit the degree of opening of the valve.

Heat exchange device with thermoactuator

An exhaust heat recovery device includes a multi-piece, chamber-shaped branching member with a draw-molded first chamber half having one inlet for introducing exhaust gas, and a draw-molded second chamber half having two outlets for discharging the exhaust gas. The draw-molded first and second chamber halves are integrally connected together to form a single chamber. A first flow channel extends from one of the two outlets of the branching member for circulating the exhaust gas. A heat exchanger is provided to the first flow channel for recovering potential heat of the exhaust gas. A second flow channel extends from the other one of the two outlets of the branching member for circulating the exhaust gas while bypassing the heat exchanger. A valve chamber houses a valve configured to open and close an outlet of the second flow channel.

Exhaust heat recovery device

A lightweight exhaust component cover having a small number of components is disclosed. In the exhaust component cover, an internal plate is formed by bending part of a single plate at both ends, and the internal plate is joined to the inside surface of an external plate.

Growing community of inventors

Hamamatsu, Japan

Tomoyuki Uchida