发明名称 |
DRIVE UNIT OF ELECTRIC VEHICLE |
摘要 |
A drive unit 54 for an electric motor-operated vehicle is provided with a planetary gear mechanism 58 having; a sun gear 58a rotating together with a motor output shaft 57a, a planetary gear 58b meshing the sun gear 58a, and a ring gear 58c meshing the planetary gear 58b; and constituted that an arm plate 58d supporting the planetary gear 58b is rotated with the rotation of the motor 57 at a specified speed reduction ratio. The ring gear 58c is supported for rotation relative to a housing and a switching mechanism 65 is provided to hold or release the relative rotation of the ring gear 58c. <IMAGE> |
申请公布号 |
EP1174640(A1) |
申请公布日期 |
2002.01.23 |
申请号 |
EP20010908173 |
申请日期 |
2001.02.28 |
申请人 |
YAMAHA HATSUDOKI KABUSHIKI KAISHA |
发明人 |
KANNO, NOBUYUKI |
分类号 |
A61G5/04;A61G5/08;A61G5/12;B60K7/00;B60K17/04;F16H1/28;F16H57/10 |
主分类号 |
A61G5/04 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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