发明名称 |
Braking device for an electric motor, electrical apparatus provided with the braking device, and a method of braking |
摘要 |
A braking device for an electric motor of a power tool has a short circuit switch for short circuiting an armature winding of the electric motor during a braking process, the short circuit switch for controlling its switch condition having a control input, a control unit connected with the control input of the short circuit switch for performing a phase control of the short circuit switching during the braking process in order to avoid brush fire; also an electrical device with such a braking device and a braking method are proposed as well.
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申请公布号 |
US7071645(B2) |
申请公布日期 |
2006.07.04 |
申请号 |
US20040824573 |
申请日期 |
2004.04.14 |
申请人 |
ROBERT BOSCH GMBH |
发明人 |
HAHN DIETMAR;WALTER ROLAND |
分类号 |
H02P3/12;H02P3/22 |
主分类号 |
H02P3/12 |
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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