Laminated dynamoelectric machine core and its manufacture

Details Laminated dynamoelectric machine core and its manufacture Laminated dynamoelectric machine core and its manufacture

H - Electricity

02

K

26/113, 310/116

H02K 15/02 (2006.01)

Patent

CA 1138022

ABSTRACT OF THE DISCLOSURE A dynamoelectric machine core, method of forming the same, and apparatus for forming the same. The core includes a stacked laminated yoke assembly having an annular array of radially inwardly opening recesses, a stacked laminated tooth assembly having an annular array of annularly spaced teeth de- fining therebetween winding slots, a dynamoelectric winding in the slots, and cooperating interlock means on the teeth and yoke core assemblies for locking the tooth core assembly to the yoke core assembly. The laminations are blanked out from a metal sheet and interlocked in stacked association with each other by suitable interlock structure formed herein. The teeth are blanked out from the yoke lamination and are subsequently secured to the yoke laminations of the yoke core-assembly after the tooth core assembly of the teeth is provided with the dynamo- electric winding. The teeth may be held by a suitable jig during the winding operation which accurately disposes the teeth to define the tooth core assembly and which is removed subsequent to the mounting of the wound tooth core assembly to the yoke core.

325523

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