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US Patent 9509186 Reduced weight rotor having structural integrity

Patent 9509186 was granted and assigned to Zero Motorcycles on November, 2016 by the United States Patent and Trademark Office.

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Patent
Patent

Patent attributes

Patent Applicant
Zero Motorcycles
Zero Motorcycles
Current Assignee
Zero Motorcycles
Zero Motorcycles
Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
Patent Number
9509186
Patent Inventor Names
Ryan John Biffard0
Abraham Askenazi0
Date of Patent
November 29, 2016
Patent Application Number
14618821
Date Filed
February 10, 2015
Patent Primary Examiner
‌
Dang Le
Patent abstract

A reduced weight rotor design for use in an electric motor where the reduced weight rotor maintains its structural integrity. The reduced weight rotor includes a center hub, an outer ring having lobed portions extending inwardly towards the hub and located adjacent to each location of a magnetic pole pairing, and spokes connecting the hub to the outer ring where the spokes are arranged in a number of pairs equal to the total number of the magnetic pole pairings and wherein each spoke of a given pair does not cross each other spoke of the given pair but does cross a spoke of an adjacent pair thereby forming a one cross spoke pattern.

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