H - Electricity
02
K
74/132, 310/47
H02K 7/10 (2006.01) H02K 7/065 (2006.01)
Patent
CA 1225690
- 1 - TITLE OF THE INVENTION GEARED MOTOR ABSTRACT OF THE DISCLOSURE A geared motor comprising: an output shaft rotatably received in a housing; a sun gear securely supported on the output shaft in the housing and having a plurality of external teeth; a ring gear housed in the housing and having a plurality of internal teeth meshed with the external teeth of the sun gear, and the internal teeth of the ring gear having a pitch circle larger than that of the external teeth of the sun gear and being larger in number than the external teeth of the sun gear; supporting means for supporting the ring gear in such manner that the center axis of the ring gear is eccentrically revolvable with respect to the axis of rotation of the output shaft and the ring gear is prevented from being rotated about its center axis; and drive means for generating electromagnetic forces one group of which has a plurality of force directions radially inwardly directed and the other group of which has a plurality of force directions radially outwardly directed, the different groups being circumferentially successively displaceable and driving the ring gear to radially inwardly and outwardly move so that the output shaft is driven to rotate about its axis of rotation.
462779
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
Teijin Seiki Company Limited
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