US Patent 7876012 Dynamo electric machine with an alloy member

Patent 7876012 was granted and assigned to Hitachi on January, 2011 by the United States Patent and Trademark Office.

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Is a

Patent

Patent attributes

Current Assignee

Hitachi

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

7876012

Date of Patent

January 25, 2011

Patent Application Number

11641759

Date Filed

December 20, 2006

Patent Primary Examiner

‌

Quyen Leung

Patent abstract

A dynamoelectric machine comprising a stator having a plurality of slots and teeth, armature windings wound around the teeth, and a rotor disposed inside the stator, wherein an alloy member is disposed in the inner periphery of the stator and the magnetic compensator has its surface or inside thereof a high resistance layer.