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公开(公告)号：US3604961A
公开(公告)日：1971-09-14
申请号：US3604961D
申请日：1970-02-26
Applicant: VERNITRON CORP
Inventor： SALDINGER NEIL
CPC classification number: H02K23/405 , H02K2201/06
Abstract: A direct current motor has a rotatable axially slotted cylindrical armature and an even number of permanent magnet poles. The poles are spaced apart 360*/N where N is the number of poles. The poles can be asymmetrically shaped so that the points of maximum field strength of each pole are spaced 360*/N + OR phi from each adjacent pole to effect cooperative cancellation of cogging torque tending to be generated between the armature and the respective adjacent poles.
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