Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
December 29, 2009
Patent Application Number
11689154
Date Filed
March 21, 2007
Patent Primary Examiner
Patent abstract
A secondary part of an electric machine has a toothed profile, with at least one tooth being unlaminated. The at least one tooth is made of at least two materials, wherein the at least one tooth forms a cavity which is filled with an iron-containing material representing one of the two materials.
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