| US 7,556,112 B2 | ||
| In-wheel motor system | ||
| Yasuhiro Suzuki, Tokyo (Japan); Katsumi Tashiro, Katsumi (Japan); Hisashi Kurokawa, Tokyo (Japan); and Yoshinari Nakamura, Tokyo (Japan) | ||
| Assigned to Kabushiki Kaisha Bridgestone, Tokyo (Japan); and Kayaba Industry Co., Ltd., Tokyo (Japan) | ||
| Appl. No. 11/547,262 PCT Filed Apr. 04, 2005, PCT No. PCT/JP2005/006616 § 371(c)(1), (2), (4) Date Oct. 04, 2006, PCT Pub. No. WO2005/097533, PCT Pub. Date Oct. 20, 2005. |
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| Claims priority of application No. 2004-111516 (JP), filed on Apr. 05, 2004. | ||
| Prior Publication US 2007/0199750 A1, Aug. 30, 2007 | ||
| Int. Cl. B60L 8/00 (2006.01); B60K 1/00 (2006.01) | ||
| U.S. Cl. 180—65.51 [310/90; 301/6.91] | 5 Claims |
| 1. An in-wheel motor system in which a stator side of a hollow direct drive motor provided on a wheel is supported to a part
around the wheel of a vehicle by at least one of an elastic body and an attenuation mechanism, comprising:
a motor side plate connected to a non-rotating side case of the motor;
a knuckle side plate arranged coaxially to the motor side plate and connected to a knuckle;
a buffer mechanism for interconnecting the motor side plate and the knuckle side plate, which moves in the vertical direction
of the vehicle;
a first direct-acting guide comprising a linear bearing and a rod and attached to the knuckle side plate;
a fixing member projecting from the first direct-acting guide or the knuckle side plate;
a second direct-acting guide which is attached to the fixing member, comprising a linear bearing and a rod, and moves in the
same direction as the first direct-acting guide;
receiving members for attaching the both ends of the first and second direct-acting guides to the motor side plate; and
spring members interposed between the fixing member for fixing the first and second direct-acting guides and the receiving
members.
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