Motor vehicle automatic transmission

Details Motor vehicle automatic transmission Motor vehicle automatic transmission

1990-09-17

1992-01-07

Herrmann, Allan D.

Planetary gear transmission systems or components

With means to vary drive ratio or disconnect drive

Plural elements selectively braked

475289, 475330, F16H 5710

Patent

active

050786636

ABSTRACT:
A shifting arrangement of an overdrive position of a fourth gear is connected behind a shifting arrangement of a Simpson gear set of a first gear and/or a second gear. The connection transforms a conventional four-speed automatic transmission into a five-speed automatic transmission or a six-speed automatic transmission.

REFERENCES:
patent: 3811343 (1974-05-01), Mori et al.
patent: 3835732 (1974-09-01), Mori et al.
patent: 4007648 (1977-02-01), Brookout
patent: 4304153 (1981-12-01), Moroto et al.
patent: 4653348 (1987-03-01), Hiraiwa
patent: 4660439 (1987-04-01), Hiraiwa
patent: 4711138 (1987-12-01), Miura et al.
patent: 4939955 (1990-07-01), Sugano

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