H - Electricity – 02 – K
Patent
H - Electricity
02
K
310/68
H02K 21/24 (2006.01) H02K 16/00 (2006.01)
Patent
CA 1273981
ABSTRACT OF THE DISCLOSURE An electric motor includes a housing, a rotor and a stator. The rotor includes a rotor shaft rotatably supported on the housing. The rotor includes a plurality of disk portions disposed on the rotor shaft coaxially therewith and spaced from each other axially of the rotor shaft. Each of the disk portions has a thickness gradually decreasing radially outwardly thereof. The stator includes a plurality of annular portions disposed on the housing coaxially with the rotor shaft and spaced from each other axially of the rotor shaft. Each of the annular portions has a thickness gradually decreasing radially inwardly thereof. The annular portions and the disk portions are loosely fitted with each other with a gap formed therebetween. Opposed side surfaces of the annular portion and disk portion are conical. Each of the annular portions has a coil disposed in each conical side surface thereof. Each of the disk portions has permanent magnets disposed at least in each conical side surface thereof.
524599
Mochizuki Akira
Ohnishi Kouhei
Malcolm Johnston & Associates
Mitsubishi Materials Corporation
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