Five speed planetary transmission

Details Five speed planetary transmission Five speed planetary transmission

1998-10-05

1999-12-07

Lorence, Richard M.

Planetary gear transmission systems or components

With means to vary drive ratio or disconnect drive

Plural elements selectively braked

475284, 475286, 475311, F16H 344

Patent

active

05997429&

ABSTRACT:
A planetary transmission has two planetary gear sets, one of which is a simple planetary gear set. The ring gear of the simple planetary gear set is continuously connected with a transmission output shaft. Six fluid-operated friction torque transmitting devices are operable in combinations of three to establish a reverse drive and five forward drive ratios in the two gear sets. The gear sets are continuously interconnected by at least one drive member and are selectively interconnected by one of the torque transmitting devices. Two of the three devices engaged for reverse and first are also engaged in neutral.

REFERENCES:
patent: 2748622 (1956-06-01), Syrovy et al.
patent: 3318174 (1967-05-01), Clapp et al.
patent: 4089239 (1978-05-01), Murakami et al.
patent: 4483215 (1984-11-01), Ishimaru et al.
patent: 4976670 (1990-12-01), Klemen
patent: 5141477 (1992-08-01), Oshidari
patent: 5567201 (1996-10-01), Ross
patent: 5692988 (1997-12-01), Beim et al.

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