Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Peng Zeng0
Brian J. Tillotson0
Steven Richard Corey0
Date of Patent
November 13, 2018
Patent Application Number
14511366
Date Filed
October 10, 2014
Patent Citations Received
Patent Primary Examiner
Patent abstract
A method and apparatus for operating an electric motor is presented. A transmit magnetic field is received at a group of receive coils having a group of axes oriented substantially parallel to magnetic field lines from a transmit coil and having a group of resonant frequencies. A resonant frequency in the group of resonant frequencies is different from other receive coils in the group of receive coils. A receive magnetic field is generated at a receive coil in the group of receive coils having the resonant frequency when the transmit magnetic field has a selected frequency matching the resonant frequency. The receive magnetic field attracts a rotor in the electric motor.
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