Powertrain with a six speed transmission

Details Powertrain with a six speed transmission Powertrain with a six speed transmission

1999-11-22

2000-12-26

Estremsky, Sherry

Planetary gear transmission systems or components

With means to vary drive ratio or disconnect drive

Plural elements selectively braked

475325, 475326, F16H 366

Patent

active

061650986

ABSTRACT:
A powertrain has an engine, torque converter and multi-speed transmission. The transmission has a simple planetary gear set and a compound planetary gear set. The gear sets are interconnected between the sun gear member of the simple planetary and the carrier assembly member of the compound planetary. The simple planetary ring gear member is continuously connected with an output shaft and the sun gear member of the compound planetary is continuously connected with an input shaft. Four clutches and two brakes are selectively engaged in pairs to provide six forward speed ratios and one reverse ratio.

REFERENCES:
patent: 2873623 (1959-02-01), Simpson
patent: 3946623 (1976-03-01), Murakami et al.
patent: 5194055 (1993-03-01), Oshidari
patent: 5830102 (1998-11-01), Coffey
patent: 5853345 (1998-12-01), Park

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