Planetary gear transmission systems or components – Nonplanetary variable speed or direction transmission... – Nonplanetary transmission is friction gearing
Patent
1991-11-05
1993-07-27
Braun, Leslie A.
Planetary gear transmission systems or components
Nonplanetary variable speed or direction transmission...
Nonplanetary transmission is friction gearing
475215, 475216, 476 42, F16H 3700
Patent
active
052306704
ABSTRACT:
A continuously variable transmission is disclosed which comprises a torque transmitting device to which an engine torque is applied, the torque transmitting device being coaxially arranged on a first axis; a planetary gear mechanism to which a torque from the torque transmitting device is applied, the planetary gear mechanism being coaxially arranged on the first axis; a continuously variable type speed change device to which a torque from the planetary gear mechanism is applied, the speed change device being coaxially arranged on the first axis; an output shaft coaxially arranged on the first axis; a countershaft coaxially arranged on a second axis which is in parallel with the first axis; first gears for transmitting a torque from the speed change device to the countershaft; and second gears for transmitting a torque from the countershaft to the output shaft. The planetary gear mechanism is so arranged as to lower the torque applied thereto and transmit the lowered torque to the speed change device.
REFERENCES:
patent: 2140012 (1938-12-01), Hayes
patent: 3684065 (1972-08-01), Scheiter
patent: 3713353 (1973-01-01), Scheiter
patent: 3739658 (1973-06-01), Scheiter
patent: 4922788 (1990-05-01), Greenwood
Gear Drive Systems, chapter 7, pp. 296 and 297, Peter Lynwander, 1983.
Braun Leslie A.
Nissan Motor Co,. Ltd.
Wittels Daniel
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