发明名称 |
Crimped rotor for an electric brushless direct current motor |
摘要 |
A rotor having a substantially cylindrical configuration for use in a brushless direct current electric motor having a high torque to size ratio. The rotor has an outer peripheral surface. The rotor also has a central rotor shaft and a first and second retaining ends mounted on the central rotor shaft and spaced from one another. The rotor also has a plurality of magnets configured to provide a magnetic flux with a stator disposed around the central rotor shaft. The magnets are radially disposed on the shaft and the rotor also has a sheath. The sheath is crimped around the radially disposed permanent magnets, and holds the magnets around the shaft. The sheath is lightweight and minimizes a gap between the permanent magnets and the stator to provide for an electromagnetic flux between the magnets and the stator windings, and for rotation of the central rotor shaft.
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申请公布号 |
US2007296297(A1) |
申请公布日期 |
2007.12.27 |
申请号 |
US20070800715 |
申请日期 |
2007.05.07 |
申请人 |
JONES ROBERT M;LISIECKI JOSEPH M |
发明人 |
JONES ROBERT M.;LISIECKI JOSEPH M. |
分类号 |
H02K1/30;H02K7/116;H02K15/03 |
主分类号 |
H02K1/30 |
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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