Powertrain with planetary gearing and a continuously variable ra

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

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Details

475210, 475218, F16H 3702

Patent

active

058038590

ABSTRACT:
A torque converter and a planetary gear arrangement are positioned in serial power flow relation between an engine and a final drive. A continuously variable unit (CVU) is positioned for serial power flow between a torque converter clutch and the final drive. The power path of the CVU includes a direct clutch which, when engaged, connects the CVU with the output member of the planetary gear arrangement. The power flow path of the planetary gear arrangement includes a one-way clutch which permits overrunning of the planetary input member when the direct clutch is engaged.

REFERENCES:
patent: 4550629 (1985-11-01), Kawamoto
patent: 4644821 (1987-02-01), Sumiyoshi 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.

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