Variable rate air spring suspension system

Details Variable rate air spring suspension system Variable rate air spring suspension system

1991-09-26

1992-12-08

Oberleitner, Robert J.

Spring devices

Vehicle

Comprising compressible fluid

267122, 280711, F16F 904

Patent

active

051691299

ABSTRACT:
An air spring suspension system which provides a variable rate for an air spring of a vehicle, has an auxiliary air reservoir formed by a second air spring in fluid communication with the vehicle air spring. One end member of the auxiliary air spring is mounted on a frame and the other end member, preferably a piston, is moved with respect to the other end member to vary the volume of the air chamber formed by a flexible sleeve extending between the end member and piston. An actuator motor moves the piston with respect to the fixed end member, via a linearly movable shaft to change the volume of the air chamber and consequently the rate of the vehicle air spring.

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