Powertrain transmission with torque converter planetary gearing

Planetary gear transmission systems or components – Nonplanetary variable speed or direction transmission... – Nonplanetary transmission is belt or chain gearing

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Details

475214, 475207, F16H 3702

Patent

active

058038582

ABSTRACT:
A power transmission has an engine driven torque converter and a selectively engageable direct clutch. The output from the torque converter is connected through a one-way clutch to a planetary gearing input, the output of which is connected to a transmission output. The selectively engageable direct clutch connects the input of a continuously variable transmission with the engine in bypassing relationship with the torque converter. The continuously variable transmission output is connected with the transmission output in parallel relationship with the planetary gearing. Engagement of the direct clutch transfers the engine input from the planetary gearing to the continuously variable transmission.

REFERENCES:
patent: 4550629 (1985-11-01), Kawamoto
patent: 4644821 (1987-02-01), Sumiyoshi et al.
patent: 4740191 (1988-04-01), Takano et al.
patent: 4836049 (1989-06-01), Moan
patent: 4856369 (1989-08-01), Stockton
patent: 5470285 (1995-11-01), Schneider et al.
patent: 5669846 (1997-09-01), Moroto et al.
patent: 5720686 (1998-02-01), Yan et al.

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