Automatic transmission

Details Automatic transmission Automatic transmission

1990-02-05

1991-07-09

Diehl, Dwight

Planetary gear transmission systems or components

With means to vary drive ratio or disconnect drive

Plural elements selectively braked

475285, F16H 5710

Patent

active

050301870

ABSTRACT:
An automatic transmission having a gear train comprising first, second and third single-pinion planetary gear sets. The ring gear of the first single-pinion planetary gear set is connected integrally or selectively to the carrier of the second single-pinion planetary gear set, the carrier of the first single-pinion planetary gear set is connected integrally or selectively to the ring gear of the third single-pinion planetary gear set is connected integrally or selectively to the carrier of the third single-pinion planetary gear set, and the sun gear of the second single-pinion planetary gear set is connected integrally or selectively to the sun gear of the third single-pinion planetary gear set. The automatic transmission is capable of being placed in any one of at least five forward gears and one reverse gear.

REFERENCES:
patent: 4233861 (1980-11-01), Gaus et al.
patent: 4660439 (1987-04-01), Hiraiwa
Patent Abstracts of Japan, vol. 9, No. 231 (M414) [1954]; Nov. 12, 1985.

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