Five-speed transmission assembly employing compounded planetary

Details Five-speed transmission assembly employing compounded planetary Five-speed transmission assembly employing compounded planetary

1994-10-24

1996-10-22

Ta, Khoi Q.

Planetary gear transmission systems or components

With means to vary drive ratio or disconnect drive

Plural elements selectively braked

475284, 475289, F16H 344

Patent

active

055672019

ABSTRACT:
A transmission assembly having an input shaft, an output shaft as well as first and second planetary gear sets. The first and second planetary gear sets each have three gear members. Two of the gear members in each planetary gear set are a sun gear and a ring gear. As such, the sun and ring gears, one in each planetary gear set, are paired. The sun and ring gears in each of the first and second planetary gear sets are operatively connected in each respective planetary gear set through the third gear members, which are in the nature of a plurality of planet gears mounted on respective first and second carriers. In one of the planetary gear sets the planet gears are themselves compounded. One of the pairs of sun and ring gears is continuously connected, and the carrier in the first planetary gear set is selectively, and independently, connected to two gear members in the second planetary gear set. The carrier in the second planetary gear set is continuously connected to the output shaft means.

REFERENCES:
patent: 2813437 (1957-11-01), Kelbel et al.
patent: 3031901 (1962-05-01), Simpson
patent: 4296646 (1981-10-01), Thornton
patent: 4638688 (1987-01-01), Hiraiwa
patent: 4658672 (1987-04-01), Michael
patent: 5013289 (1991-05-01), Van Mannen
patent: 5224908 (1993-07-01), Nishida et al.

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