Multi-speed power transmission

Details Multi-speed power transmission Multi-speed power transmission

1997-09-29

1999-03-09

Marmor, Charles A.

Planetary gear transmission systems or components

With means to vary drive ratio or disconnect drive

Plural elements selectively braked

475281, F16H 362

Patent

active

058792635

ABSTRACT:
A five speed power transmission has a planetary gear arrangement comprised of three simple planetary gearsets and a plurality of clutches and brakes. The planetary gear arrangement is controlled to establish five forward gear ratios and a reverse gear ratio between the input and output shaft. One of the planetary gearsets is controlled to establish a reaction point or node for the fifth forward gear ratio.

REFERENCES:
patent: 5069656 (1991-12-01), Sherman
patent: 5588929 (1996-12-01), Benford

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