Automatic transmission's ravigneaux type planetary gear train ha

Machine element or mechanism – Gearing – Plural power paths to and/or from gearing

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74759, F16H 5710

Patent

active

048023850

ABSTRACT:
A planetary gear train having first and second pinion gears supported on a single pinion carrier, first and second sun gears meshing, respectively, with the first and second pinions, and a first ring gear meshing with the first pinions is further provided with a second ring gear which is in mesh with the second pinions, and a brake for holding the second ring gear, in order to provide five forward speeds.

REFERENCES:
patent: 2220174 (1940-11-01), Ravigneaux
patent: 2631476 (1953-03-01), Ravigneaux
patent: 2761333 (1956-09-01), Ravigneaux
patent: 2847877 (1958-08-01), Ravigneaux
patent: 3299746 (1967-01-01), Konrad
patent: 3853023 (1974-12-01), Mori et al.
patent: 3979974 (1976-09-01), Murakami
patent: 4417484 (1983-11-01), Gaus et al.
patent: 4638688 (1987-01-01), Hiraiwa
patent: 4653347 (1987-03-01), Hiraiwa
patent: 4653348 (1987-03-01), Hiraiwa
patent: 4660439 (1987-04-01), Hiraiwa
Shinpen Jidoshakogaku Binran, Society of Automotive Engineers of Japan, vol. 5, pp. 1-19.

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