Differential device and drive power transmission unit using...

Details Differential device and drive power transmission unit using... Differential device and drive power transmission unit using...

2007-12-25

2007-12-25

Ho, Ha D. (Department: 3681)

Planetary gear transmission systems or components

Differential planetary gearing

Differential or nondifferential planetary combined with...

C475S005000

Reexamination Certificate

active

11248284

ABSTRACT:
The number of the teeth of a second sun gear is slightly different from that of a first sun gear. A first planetary gears mesh with both the first sun gear and the second sun gear. A first carrier supports the first planetary. The number of the teeth of a third sun gear is same as that of the first sun gear. The second planetary gears mesh with both the second sun gear and the third sun gear. The second carrier supports the second planetary gears with preventing the same from revolving. The second power source generates a torque for rotating the first carrier.

REFERENCES:
patent: 6607061 (2003-08-01), Hori et al.
patent: 7175557 (2007-02-01), Kirkwood et al.
patent: 7175558 (2007-02-01), Puiu et al.
patent: 11-105573 (1999-04-01), None
patent: 3247484 (2001-11-01), None

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