Automatic transmission

Details Automatic transmission Automatic transmission

1979-04-20

1982-05-11

Braun, Leslie

Machine element or mechanism

Gearing

Plural power paths to and/or from gearing

74786, 74787, F16H 5710, F16H 344

Patent

active

043287174

ABSTRACT:
An automatic transmission which establishes the first forward speed stage and the reverse stage by selective stopping of rotary elements of a Ravigneaux type planetary gear train effected by mechanical brakes and which establishes the second forward speed or direct connection stage by coupling two relatively rotating elements of the planetary gear train by means of an oil pressure clutch so as to lock the planetary gear train.

REFERENCES:
patent: 2406225 (1946-08-01), Kelbel
patent: 2598179 (1952-05-01), Kelbel
patent: 2606459 (1952-08-01), Carnegie
patent: 2853890 (1958-09-01), Kelbel
patent: 2947199 (1960-08-01), Doidge et al.
patent: 3003368 (1961-10-01), Winchell
patent: 3017788 (1962-01-01), Polomski
patent: 3030824 (1962-04-01), Moore
patent: 3188885 (1965-06-01), Fisher
patent: 3592082 (1971-07-01), Ott
patent: 3600975 (1971-08-01), Ott

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