Honda Motor Co., Ltd.

Hideaki Yoneda

Yoshiaki Hatakeyama

Osami Yamamoto

Ryosaku Takahara

Kenta Kawano

A fuel synthesis device includes: a supplier to supply COand Hgasses; a fuel synthesis catalyst to chemically react the COand Hgasses to synthesize fuel; a gas-liquid separator to liquefy the fuel into liquid and separate the liquid from a gas containing unreacted COand Hgasses, and CHgas as a side product; a return path to return the separated gas to a point between the supplier and the fuel synthesis catalyst; a bypass path to bypass, and merge downstream of, the return path, and to include a CHseparator to separate the CHand a CHoxidation catalyst to oxidize the CH; and a switching valve to selectively switch between communication with the return path and communication with the bypass path, wherein whether the switching valve communicates with the return path or bypass path is controlled based on the density of CH.

Fuel synthesis device

In a flange fastening structure, a turbocharger includes a wastegate decentered from a center of a first flange that surrounds an outlet opening of the turbocharger. A bolt of a V-band that fastens the first flange on the turbocharger to a second flange on an exhaust passage member is disposed in a first region. The first region is a region composed of two sector-shaped regions each having a central angle of 90 degrees from a straight line from the center through a point that is on the first flange and that is closest to a maximum opening portion of the wastegate toward a corresponding side in a circumferential direction.

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Wako, Japan

Hideaki Yoneda