Honda Motor Co., Ltd.

Tomohiro Tsuchiya

Ryoichi Yoshitomi

Satoshi Matsuura

Tomohiko Hatakeda

Akinori Higuchi

Eiji Masuda

A fuel cell includes a cathode side and an anode side. An oxidant gas is fed to the cathode side. In the cathode side, an oxidant exhaust gas is generated by using the oxidant gas. A fuel gas is fed to the anode side. In the anode side, a fuel exhaust gas is generated by using the fuel gas. The oxidant exhaust gas and the fuel exhaust gas are discharged from an outlet of a mixed exhaust gas discharge pipe as a mixed exhaust gas. The dilution apparatus is connected to the outlet of the mixed exhaust gas discharge pipe. The dilution apparatus includes a stirring chamber and an opening. The stirring chamber communicates with the mixed exhaust gas discharge pipe and expands from the outlet of the mixed exhaust gas discharge pipe. The opening is provided in the stirring chamber to take in air.

On-vehicle fuel cell system

A molten metal is fed from a distributor provided in a molten metal introduction portion of a casting die to a cavity of the casting die so as to perform a casting operation. A portion of the distributor to be in contact with the molten metal is made of a copper or a copper alloy. The casting is performed while setting a cavity temperature of the casting die in an initial stage of casting to a predetermined temperature and setting a temperature of the distributor in the initial stage of casting to 65&#xb0; C. or lower.

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Wako, Japan

Tomohiro Tsuchiya