Geared motor with planetary gear assembly

Details Geared motor with planetary gear assembly Geared motor with planetary gear assembly

2007-05-01

2007-05-01

Le, David D. (Department: 3681)

Planetary gear transmission systems or components

Input from independent power sources

Including electric motor input

C475S219000, C475S903000

Reexamination Certificate

active

11071283

ABSTRACT:
A geared motor includes a rotor mounted rotatably to a motor housing and having an output shaft along a rotating axis, and a stator secured to the motor housing to surround the rotor. The stator has a plurality of angularly displaced core segments with wall areas confronting magnetic pole units on the rotor, and a plurality of windings wound respectively around the core segments to create a torque so as to drive the output shaft. A planetary gear assembly includes a sun wheel mounted on the output shaft, an annulus secured to the motor housing and having an internally toothed annular surface, and a planet wheel meshing with the toothed surface and the sun wheel. A rotary member is rotated by a speed reduction drive transmitted from the planet wheel about a transmitting axis aligned with the rotating axis.

REFERENCES:
patent: 4467231 (1984-08-01), Biglino
patent: 4763031 (1988-08-01), Wang
patent: 4828049 (1989-05-01), Preis
patent: 4862009 (1989-08-01), King
patent: 5196747 (1993-03-01), Kress et al.
patent: 5624000 (1997-04-01), Miller
patent: 5834852 (1998-11-01), Katoh et al.
patent: 6484834 (2002-11-01), Bowen et al.
patent: 7090030 (2006-08-01), Miller
patent: 2002/0185290 (2002-12-01), Tang
patent: 2006/0030445 (2006-02-01), Zheng et al.

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