Gear transmission for automatic transmissions

Details Gear transmission for automatic transmissions Gear transmission for automatic transmissions

1994-11-08

1996-06-11

Marmor, Charles A.

Planetary gear transmission systems or components

With means to vary drive ratio or disconnect drive

Plural elements selectively braked

475285, 475205, 475206, 475340, 74606R, F16H 362, F16H 5702, F16H 5704

Patent

active

055251170

ABSTRACT:
A gear transmission which is enabled to set six forward gear stages by spraying a Ravigneaux planetary gear mechanism and a double-pinion planetary gear mechanism coaxially with an input shaft. The double-pinion planetary gear mechanism and its associated frictional engagement elements are arranged at the side of the input shaft across a partition protruded from the inner face of a casing, whereas tile Ravigneaux planetary gear mechanism is arranged at the opposite side to the double-pinion planetary gear mechanism. Moreover, the Ravigneaux planetary gear mechanism has a ring gear acting as an output element, and a counter gear is connected to the ring gear and arranged adjacent to the partition while being supported by the partition.

REFERENCES:
patent: 4631983 (1986-12-01), Morisawa et al.
patent: 4722242 (1988-02-01), Miura et al.
patent: 4784018 (1988-11-01), Okada et al.
patent: 4817474 (1989-04-01), Morisawa
patent: 4950213 (1990-08-01), Morisawa
patent: 4955852 (1990-09-01), Morisawa
patent: 5133697 (1992-07-01), Hattori

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