Torque ratio control apparatus for a multi-speed transmission

Details Torque ratio control apparatus for a multi-speed transmission Torque ratio control apparatus for a multi-speed transmission

2005-11-01

2005-11-01

Wright, Dirk (Department: 3681)

Planetary gear transmission systems or components

Fluid drive or control of planetary gearing

Fluid controlled mechanical clutch or brake

Reexamination Certificate

active

06960146

ABSTRACT:
A control apparatus for a power transmission includes three linear actuator apparatuses, which are operable to supply fluid pressure to each of five torque-transmitting mechanisms in a power transmission. The linear actuator apparatuses are operable to control the ratio interchange within the power transmission during both upshifting and downshifting operations.

REFERENCES:
patent: 6350213 (2002-02-01), Kirkwood

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