发明名称 |
ROTOR SHAFT AND AC GENERATOR FOR VEHICLE |
摘要 |
A rotor shaft is supported in a rotatable manner at both ends by bearings respectively disposed to a housing forming a part of a stator and provided with a positioning portion of the bearing in at least one shaft end. The positioning portion is formed of an annular step-like rise portion that abuts on a circular arc surface provided to an inner ring corner of the bearing. A rotor shaft capable of holding the bearing in a stable manner over a long period is thus obtained without increasing the number of components and the numbers of working processes and assembly man-hours for the shaft. It thus becomes possible to solve problems, such as an increase in cost due to a large amount of working margin and increases of the direct material cost and in weight due to a larger finishing diameter of the shaft.
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申请公布号 |
US2012056501(A1) |
申请公布日期 |
2012.03.08 |
申请号 |
US201113009617 |
申请日期 |
2011.01.19 |
申请人 |
MINAMI SHINICHIRO;KIMURA TAKAHIRO;TANAKA KAZUNORI;MITSUBISHI ELECTRIC CORPORATION |
发明人 |
MINAMI SHINICHIRO;KIMURA TAKAHIRO;TANAKA KAZUNORI |
分类号 |
H02K5/16 |
主分类号 |
H02K5/16 |
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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