发明授权
- 专利标题: Electronically controlled motor and methods of operating same
- 专利标题(中): 电动电机及其运行方法
-
申请号: US663654申请日: 1984-10-22
-
公开(公告)号: US4687977A公开(公告)日: 1987-08-18
- 发明人: Subhash M. Brahmavar , Ernest W. Litch, III
- 申请人: Subhash M. Brahmavar , Ernest W. Litch, III
- 申请人地址: IN Fort Wayne
- 专利权人: General Electric Company
- 当前专利权人: General Electric Company
- 当前专利权人地址: IN Fort Wayne
- 主分类号: H02K3/16
- IPC分类号: H02K3/16 ; H02K29/00 ; H02P6/00
摘要:
Method of operating an electronically commutated motor, controlled by a board mounted electronic circuit, wherein current surges in such circuit are suppressed while dissipating heat associated with such suppression from motor structure as opposed to the control circuit. The heat associated with control circuit current surge suppression is dissipated into the bowels of the motor as opposed to being dissipated from a heat generating resistor mounted on the control circuit board as has been done heretofore. Illustrated structure includes current surge suppressing special winding turns on the motor core. Such special winding turns are connected with a known electronic control circuit so that power supplied to such circuit is transmitted through the special winding on the motor. Current surges associated with operation of the motor control circuit are then suppressed, during operation, by the special winding inside the motor.
公开/授权文献
- USD347062S Foot positioning mat for x-ray patients 公开/授权日:1994-05-17
信息查询