Automatic selector of a motor vehicle epicyclic change-speed gea

Details Automatic selector of a motor vehicle epicyclic change-speed gea Automatic selector of a motor vehicle epicyclic change-speed gea

1992-07-06

1993-09-21

Wright, Dirk

Planetary gear transmission systems or components

Fluid drive or control of planetary gearing

Fluid controlled mechanical clutch or brake

F16H 358

Patent

active

052464075

ABSTRACT:
In an automatic selector device of an epicyclic change-speed gearbox, a frictional connection, i.e. a clutch or brake, participating in the selection of a forward gear is engaged by a pressure medium setting element and disengaged by a spring device. In a neutral selection condition, a partial quantity of the pressure medium filling of the selector setting element is accommodated in a pressure reservoir so that the friction surfaces are just unloaded and does not transmit torque.

REFERENCES:
patent: 3754483 (1973-08-01), Edmunds
patent: 3951011 (1976-04-01), Lemon

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