发明名称 |
Electric motor with overload protection circuit |
摘要 |
An electric motor comprising a motor overload protection such as a thermal switch and a main relay for controlling a multipolar switch in the voltage supply conductors of the motor. The thermal switch and the main relay are mounted in a control circuit in parallel with the voltage supply conductors. An auxiliary relay is coupled in parallel with the main relay and can connect an auxiliary motor via a contact arm when the thermal switch is switched off.
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申请公布号 |
US4761592(A) |
申请公布日期 |
1988.08.02 |
申请号 |
US19870024570 |
申请日期 |
1987.03.12 |
申请人 |
GRUNDFOS INTERNATIONAL A/S |
发明人 |
DISSING, BJARNE;JENSEN, NIELS D. |
分类号 |
H02H7/08;(IPC1-7):F04B49/00 |
主分类号 |
H02H7/08 |
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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