ARMATURE FOR ROTARY ELECTRIC APPARATUS AND MANUFACTURING METHOD FOR THE SAME

A laminated core includes laminated core sheets each formed by press working. Each core sheet has a teeth portion corresponding to the teeth. An insulating film covers at least a portion of the laminated core corresponding to the teeth. A burr caused by the press working in each core sheet is locate...

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Bibliographic Details
Main Authors KINPARA YOSHIMASA, FURUKAWA YUYA
Format Patent
LanguageEnglish
Published 05.04.2012
Subjects
CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
DYNAMO-ELECTRIC MACHINES
ELECTRICITY
GENERATION
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Summary:A laminated core includes laminated core sheets each formed by press working. Each core sheet has a teeth portion corresponding to the teeth. An insulating film covers at least a portion of the laminated core corresponding to the teeth. A burr caused by the press working in each core sheet is located on a side of one end of the laminated core in a laminating direction of the laminated core. The burr of the teeth portion of one of the core sheets located at the one end is folded toward the other end of the laminated core in the laminating direction.
Bibliography:Application Number: US201113246089