发明名称 |
Bifilar brushless DC motor |
摘要 |
A brushless D. C. motor is disclosed having two bifilar winding wire pairs with each bifilar pair forming alternate windings. Each winding is switched by a transistor which has a back poled diode connected in parallel therewith. The control circuit sequences energization of single windings with each winding energized being in a different bifilar pair than the next preceding energized winding whereby when a transistor is switched off the other winding of the bifilar pair and the associated back poled diode protect the transistor and provide an energy conserving/heat eliminating path for the induced current. Each winding is further formed of a pair of subwindings having an angle of separation therebetween approximately half the angular separation between adjacent windings.
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申请公布号 |
US4275339(A) |
申请公布日期 |
1981.06.23 |
申请号 |
US19790106201 |
申请日期 |
1979.12.21 |
申请人 |
INTERNATIONAL BUSINESS MACHINES CORPORATION |
发明人 |
BURKE, MICHAEL J.;COLLINS, DAVID W. |
分类号 |
H02K29/00;H02P6/12;(IPC1-7):H02P6/02 |
主分类号 |
H02K29/00 |
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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