Multi-ratio power transmission

Details Multi-ratio power transmission Multi-ratio power transmission

1991-12-23

1993-02-16

Braun, Leslie A.

Machine element or mechanism

Gearing

Interchangeably locked

74665GA, 74413, F16H 308

Patent

active

051860651

ABSTRACT:
A power transmission has an input shaft, an output shaft and a transfer or secondary input shaft disposed on parallel noncoaxial axes. A transfer gear train including a gear member supported on each axis is connectible to the input shaft through a forward friction clutch for drivingly connecting the input shaft and the transfer shaft through a one-way drive connection to the output shaft. The transfer gear train provides the first and lowest forward drive ratio between the input and output shafts through the one-way drive connection. A plurality of friction clutches on the input and transfer shafts and associated reaction gears on the shafts are selectively operable to provide a plurality of higher forward ratios during which the one-way device permits the output shaft to overcome the transfer gear mounted thereon.

REFERENCES:
patent: 4159654 (1979-07-01), Hattori
patent: 4566348 (1986-01-01), Akashi et al.
patent: 4570503 (1986-02-01), Theobald
patent: 4576063 (1986-03-01), Akashi et al.
patent: 4718295 (1988-01-01), Jesena
patent: 4750580 (1988-06-01), Umemoto
patent: 4799399 (1989-01-01), Bruce
patent: 5031473 (1991-07-01), Yumato

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