Six-speed powertrain of an automatic transmission

Details Six-speed powertrain of an automatic transmission Six-speed powertrain of an automatic transmission

2007-11-13

2007-11-13

Wright, Dirk (Department: 3681)

Planetary gear transmission systems or components

With means to vary drive ratio or disconnect drive

Plural elements selectively braked

Reexamination Certificate

active

11270257

ABSTRACT:
A six-speed powertrain of an automatic transmission includes a first single pinion planetary gear set having a first sun gear, two first planet carriers, a first planetary gear, and a first ring gear. A second single pinion planetary gear set has a second sun gear, a second planetary gear, and a second ring gear. A double pinion planetary gear set has a third sun gear, a pair of third planetary gears, and a third ring gear. One planetary gear of the pair of third planetary gears and the second planetary gear are commonly connected by a common planet carrier such that the second and third planetary gears may independently rotate.

REFERENCES:
patent: 5030186 (1991-07-01), Asada
patent: 6824492 (2004-11-01), Tabata et al.
patent: 7048669 (2006-05-01), Tabata et al.
patent: 2006/0135309 (2006-06-01), Shim et al.
patent: 2003-130149 (2003-05-01), None

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