Shift control system for a multiple ratio automatic transmission

Details Shift control system for a multiple ratio automatic transmission Shift control system for a multiple ratio automatic transmission

1995-07-31

1997-07-08

Park, Collin W.

Boots, shoes, and leggings

475127, 475296, F16H 6130, F16H 6108

Patent

active

056468423

ABSTRACT:
A control system for a multiple ratio transmission including two overrunning couplings acting in cooperation with friction clutches and brakes to effect controlled shifts between ratios to reduce inertia torque upon engagement of friction brakes associated with speed ratio downshifts that occur in time-controlled stages following a command for a downshift and for establishing an electronic pressure accumulator effect upon speed ratio upshifts following a command for an upshift.

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patent: 5315901 (1994-05-01), Barnes
patent: 5383825 (1995-01-01), El-Khoury et al.
patent: 5474506 (1995-12-01), Palansky et al.

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