发明名称 |
BRUSH-LESS DC MOTOR |
摘要 |
<p>A brush-less DC motor includes a stator member; a stationary cylindrical member projected from the stator member and having bearings on its inner circumferential surface; a rotary shaft being rotatably supported by the bearings of the stationary cylindrical member; a rotary cylindrical member into which the stationary cylindrical member is inserted, and to which the rotary shaft is fixed; two rotary discs of magnetic material, fixed to the rotary cylindrical member and spaced from each other; a permanent magnet fixed to one of the rotary discs; a rotational-position detecting member; and a coil assembly including a plurality of coil units; The working point of the rotary shaft is nearer to the stationary cylindrical member than to the rotary cylindrical member.</p> |
申请公布号 |
CA1094626(A) |
申请公布日期 |
1981.01.27 |
申请号 |
CA19770289912 |
申请日期 |
1977.10.31 |
申请人 |
SONY CORPORATION |
发明人 |
SEKIYA, TETSUO;UCHIDA, HIROYUKI;YAMAUCHI, HIROYUKI;UMEDA, KENKICHI |
分类号 |
H02K3/00;H02K29/08;(IPC1-7):02K29/00 |
主分类号 |
H02K3/00 |
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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