IN-WHEEL MOTOR SYSTEM

WIPO Patent Application WO/2007/083800

A1

A geared motor (10G) has an electric motor (10) and a reduction gear mechanism (11) for reducing the rotational speed of the electric motor (10) and transmitting the reduced speed to a wheel (2). The geared motor (10G) is elastically joined to a knuckle (5) by a dynamic vibration absorber (20) having a motor installation member (21) installed on the side face side of a motor case (10a), a knuckle installation member installed on the knuckle (5), a spring member (23) for connecting the motor installation member (21) and the knuckle installation member, two guide members (24, 24) for guiding the direction of operation of the spring member (23) into the vertical direction, and a damper placed in parallel with the guide members (24, 24). The motor (10) and the dynamic vibration absorber (20) are arranged behind the reduction gear mechanism (11). By the construction above, the motor (10) can have a sufficient stroke and the dynamic vibration absorber (20) can exhibit its performance sufficiently.

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IWANO, Haruo (Ogawahigashi-cho 3-chome Kodaira-shi Tokyo, 31, 1878531, JP)

JP2007/050934

July 26, 2007

January 23, 2007

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KABUSHIKI KAISHA BRIDGESTONE (10-1, Kyobashi 1-chome, Chuo-k, Tokyo40, Tokyo1048340, JP)
株式会社ブリヂストン (〒40 東京都中央区京橋１－１０－１ Tokyo, Tokyo1048340, JP)

B60K7/00; B60G13/16; F16F15/02; H02K7/14

MIYAZONO, Junichi (6th Fl, Fifth Tanaka Bldg. 4-4, Iidabashi 3-chom, Chiyoda-ku Tokyo72, Tokyo1020072, JP)

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