Apparatus for torque-converter clutch transmission

Planetary gear transmission systems or components – Fluid drive or control of planetary gearing – Fluid pump and motor in one of plural paths to or from...

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475 76, 475 91, 475 93, F16H 4704

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056182422

ABSTRACT:
An apparatus for torque-converter clutch transmission includes a final output planetary gear, at lease a braking pump, a compound planetary gear train, an oil path system, and a centrifugal pump. The final output planetary gear includes a sun gear mounted on an engine crankshaft, a planetary carrier mounted on an output shaft, and a ring gear. The compound planetary gear train includes first and second planetary gears which together share a common ring gear. The first planetary gear further includes a sun gear mounted to the engine crankshaft and a planetary carrier connected to a rotor shaft of the braking pump, and a ring gear, while the second planetary gear further includes a sun gear connected to the ring gear of the final output planetary gear and a planetary carrier fixedly mounted to an inner wall of a gear box. The centrifugal pump is mounted on the engine crankshaft for sensing rotation speed of the engine crankshaft and outputs predetermined amount of pressurized fluid responsive to the rotation speed of the engine crankshaft to control a disengagement valve for braking the braking pump which, in turn, brakes the final output planetary gear and the compound planetary gear train to obtain a desired transmission.

REFERENCES:
patent: 5113723 (1992-05-01), Ishino et al.
patent: 5222921 (1993-06-01), Garcia
patent: 5337629 (1994-08-01), Kita
patent: 5403241 (1995-04-01), Jarchow et al.
patent: 5421790 (1995-06-01), Lasoen
patent: 5466197 (1995-11-01), Mitsuya et al.
patent: 5524436 (1996-06-01), Ishino et al.

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