Planetary gear transmission systems or components – Fluid drive or control of planetary gearing – Impeller-turbine type fluid circuit and mechanical path in...
Patent
1992-04-10
1994-04-05
Braun, Leslie A.
Planetary gear transmission systems or components
Fluid drive or control of planetary gearing
Impeller-turbine type fluid circuit and mechanical path in...
475 72, 192 58C, F16H 4708, F16H 372
Patent
active
052999858
ABSTRACT:
A continuously variable transmission apparatus utilizing either a dual viscous clutch transmission means or a hydro torque converter transmission means. In one embodiment, a hydro torque converter transmission means is connected to an input shaft and interconnected to 1) a hydro torque converter and splitter means; 2) a planetary torque means; and 3) an output shaft. The hydro torque converter and splitter means is operable through a torque converter clutch assembly in order to connect a power splitter means and a torque converter assembly to the output drive shaft in a pre-selected mode. A second embodiment is a variable output transmission means operable to selectively interconnect a power splitter means, a torque converter clutch assembly, and a torque converter assembly to an output drive shaft so as to achieve a desired output in a pre-selected mode. Both embodiments of the continuously variable transmission apparatus are operable to be selectively changed from 1) an idle mode; 2) a torque multiplication mode; 3) a direct drive mode; and 4) a overdrive mode.
REFERENCES:
patent: 2451401 (1948-10-01), Mitchell et al.
patent: 3924489 (1975-12-01), Yasuda
patent: 4120213 (1978-10-01), Levy
patent: 4920826 (1990-05-01), Theriault
patent: 4928552 (1990-05-01), Gabriele
patent: 4932928 (1990-06-01), Crockett
patent: 5030180 (1991-07-01), Johnston
Braun Leslie A.
Rein Phillip A.
Ta Khoi
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