Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Eduard Gruzberg0
Date of Patent
July 12, 2011
Patent Application Number
12659040
Date Filed
February 24, 2010
Patent Primary Examiner
Patent abstract
An electric drive which has an inductor with poles, an armature having a plurality of windings and rotatable relative to the inductor and its poles, and a control unit which, when a respective one of the windings of the armature approaches a respective one of the poles of the inductor, turns off a voltage supply to the winding so that when the winding passes the pole it does not have a voltage, and when the winding moves away from the pole the control unit supplies opposite voltage to the winding, and therefore no counter electric motive force is generated during the operation of the electric drive.
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