Motor

Details Motor Motor

H - Electricity

02

K

310/80

H02K 21/30 (2006.01) H02K 1/17 (2006.01) H02K 1/24 (2006.01) H02K 1/27 (2006.01) H02K 29/00 (2006.01)

Patent

CA 2021663

MOTOR ABSTRACT OF THE DISCLOSURE A motor includes a field magnet system comprised of plural permanent magnetic poles arranged in cirlce and an armature with plural poles each facing to the magnetic poles of the field magnetic system. The widthwise length of a magnetic flux generating area of the permanent magnetic poles varies with the rotational angle to eliminate a cogging torque caused by higher harmonic wave components of the magnetic flux.

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