发明名称 |
DC MOTOR |
摘要 |
<p>A direct current motor includes: a stator (2) on which a plurality of coils (4) is provided; a rotor (8) including a plurality of permanent magnet magnetic poles (9) that is provided so as to face an inner periphery of the stator, and a pipe (11) on one end; a current-carrying portion (19) that is provided on the other end of the rotor (8) and commutates current supplied from a power source to the coils (4) on the stator (2); a sleeve bearing (6) that holds the rotor (8); and a ball bearing (7) that holds the rotor (8) and has a larger load-bearing capacity than that of the sleeve bearing (6). Furthermore, the pipe (11) holds the ball bearing (7) and is in direct contact with the ball bearing (7).</p> |
申请公布号 |
EP2089954(A1) |
申请公布日期 |
2009.08.19 |
申请号 |
EP20070832123 |
申请日期 |
2007.11.19 |
申请人 |
MITSUBISHI ELECTRIC CORPORATION |
发明人 |
YOKOYAMA, MASAYUKI;FUJITA, YOUICHI;MIYOSHI, SOTSUO;OKETANI, NAOHIRO |
分类号 |
H02K23/62;H02K5/16;H02K5/167;H02K13/00 |
主分类号 |
H02K23/62 |
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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