Denso Corporation

Denso Daishin Corporation

Koshiro Miwa

Yasushi Kawano

Tohru Shimizu

Yuta Fujinaka

Kenichi Ishihara

A throttle valve device includes a body, a valve, a motor, a speed reducer, and a cover. The body that defines a passage and a motor space therein. The motor includes a motor yoke, a magnet, a motor shaft, a pair of motor bearings, an armature core, a commutator, a brush, and a brush holder. The motor yoke is made of a magnetic material. The brush holder holds the brush. The motor yoke has an open end that is covered by the brush holder.

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Tokoname, Japan

Koshiro Miwa