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1. (WO2018129070) HIGH-TORQUE, LOW-CURRENT BRUSHLESS MOTOR

Pub. No.:    WO/2018/129070    International Application No.:    PCT/US2018/012223
Publication Date: Fri Jul 13 01:59:59 CEST 2018 International Filing Date: Thu Jan 04 00:59:59 CET 2018
IPC: G11B 19/20
Applicants: SYSTEMS, MACHINES, AUTOMATION COMPONENTS CORPORATION
Inventors: NEFF, Edward A.
VU, Toan M.
ZANIS, Reyhan
Title: HIGH-TORQUE, LOW-CURRENT BRUSHLESS MOTOR
Abstract:
An electric motor including a coil assembly having a plurality of coils which may be arranged in the shape of a cylinder. The motor further includes a rotor including a plurality of outer magnets configured as a first Halbach cylinder surrounding the coil assembly. An outer magnet housing of the rotor is coupled to and surrounds the plurality of outer magnets. A plurality of inner magnets are arranged as a second Halbach cylinder with the coil assembly being interposed between the plurality of inner magnets and the plurality of outer magnets. An inner magnet housing is coupled to the plurality of inner magnets and surrounds an output shaft.