Planetary gear train for automatic transmission

Details Planetary gear train for automatic transmission Planetary gear train for automatic transmission

1985-03-28

1987-03-31

Braun, Leslie

Machine element or mechanism

Gearing

Plural power paths to and/or from gearing

74763, F16H 5710

Patent

active

046533486

ABSTRACT:
The planetary gear train comprises first and second planetary gear sets. One of the planetary gear sets has a ring gear which is always connected to an input shaft. The first planetary gear set can be locked by a first clutch. A second clutch selectively connects the sun gears of both planetary gear sets. A third clutch selectively connects the first planetary gear set with the pinion carrier of the second planetary gear set. A fourth clutch selectively connects a pinion carrier of the first planetary with a ring gear of the second planetary gear set.

REFERENCES:
patent: 3282131 (1966-11-01), Smith
patent: 3483771 (1969-12-01), Forster et al.
patent: 3503282 (1970-03-01), Peterson
patent: 3575067 (1971-04-01), Hermann
patent: 3812739 (1974-05-01), Mori et al.
patent: 3823622 (1974-07-01), Mori et al.
patent: 3999448 (1976-12-01), Murakami et al.
Auto-Mechanis, Second Edition, Herbert E. Ellinger, Chapter 23, pp. 352 and 353.

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