Planetary gear transmission systems or components – Electric or magnetic drive or control
Patent
1994-10-11
1996-10-29
Ta, Khoi Q.
Planetary gear transmission systems or components
Electric or magnetic drive or control
310103, F16H 1312, H02K 4910
Patent
active
055691110
ABSTRACT:
A torque/force transfer apparatus which includes an annular ring having tein permanent first magnets side by side about the interior of the ring. The first magnets are arranged so as to alternate in polar orientation to present an inside circumference of alternating north and south magnetic poles. A cylindrical central member has therein permanent second magnets side by side about the exterior of the central member. The second magnets are arranged so as to alternate in polar orientation to present an outside circumference of alternating north and south magnetic poles. A strut assembly is pivotally attached to a center of a side of the central member and has arms extending radially outwardly from the central member center and is provided with planetary members rotatably connected each to one of the arms. The planetary members each have therein permanent third magnets side by side about the exterior of the planetary member, the third magnets being arranged so as to alternate in polar orientation to present an outside circumference of alternating north and south magnetic poles. Each of the planetary members substantially bridges an annulus defined by the ring inside circumference and the central member outside circumference, whereby rotation of the central member causes, by magnetic flux, rotation of the planetary members which cause, by magnetic flux, rotation of the ring.
REFERENCES:
patent: 1962659 (1934-06-01), Kautz
patent: 2497659 (1950-02-01), Davis et al.
patent: 5013949 (1991-05-01), Mabe, Jr.
Bedingfield Ralph A.
Cho Chahee P.
Lall Prithvi C.
McGowan Michael J.
Oglo Michael F.
Ta Khoi Q.
The United States of America as represented by the Secretary of
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