Power transmission

Details Power transmission Power transmission

1995-08-31

1996-11-26

Wright, Dirk

Planetary gear transmission systems or components

With means to vary drive ratio or disconnect drive

Plural elements selectively braked

F16H 358

Patent

active

055779760

ABSTRACT:
A planetary gear arrangement for a multi-speed power transmission has a carrier assembly with a plurality of pinion gear sets wherein each set has one long pinion and three short pinions. The long pinion meshes with two short pinions and a ring gear. The third short pinion meshes with a sun gear and one of the short pinions. The other two short pinions mesh with a ring gear and a sun gear, respectively. The carrier and both sun gears are connected with selectively operable rotating torque transmitters and the carrier, one sun gear and one ring gear are connected with selectively operable stationary torque transmitters while the other ring gear defines an output member for the planetary gear arrangement.

REFERENCES:
patent: 2631476 (1953-03-01), Ravigneaux
patent: 2761333 (1956-09-01), Ravigneaux
patent: 4658672 (1987-04-01), Michael
patent: 5046999 (1991-09-01), Liu et al.
patent: 5133697 (1992-07-01), Hattori
patent: 5326334 (1994-07-01), Ra et al.

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