Automatic transmission

Details Automatic transmission Automatic transmission

1992-10-05

1994-10-11

Wright, Dirk

Planetary gear transmission systems or components

Variable speed or direction transmission combined with...

Variable speed or direction is planetary transmission

F16H 362

Patent

active

053542444

ABSTRACT:
An automatic transmission is of the type wherein power from a main change speed gearing is delivered to an input gear of an auxiliary change speed gearing. The input gear is connected to a ring gear of a planetary gear set of the auxiliary change speed gearing. The planetary gear set includes a pinion carrier connected to an output shaft with an output gear fro rotation therewith. The pinion carrier rotatably supports a plurality of pinions in mesh with the ring gear. A shaft is arranged in line with the output shaft and is formed with a sun gear in mesh with the plurality of pinions. This shaft is brakeable by a frictional coupling device, namely a brake. When this shaft with the sun gear is braked, the power is delivered to the output gear via the pinion carrier.

REFERENCES:
patent: 2912884 (1959-11-01), Christenson et al.
patent: 4660439 (1987-04-01), Hiraiwa
patent: 4899621 (1990-02-01), Sakakibara
patent: 4916977 (1990-04-01), Aoki et al.
patent: 5203749 (1993-04-01), Ito
patent: 5224907 (1993-07-01), Shirataki

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