Dual airbag airspring

Details Dual airbag airspring Dual airbag airspring

2007-01-02

2007-01-02

Kramer, Devon (Department: 3683)

Spring devices

Vehicle

Comprising compressible fluid

C267S031000, C267S064270, C267S122000

Reexamination Certificate

active

10772524

ABSTRACT:
An air spring assembly includes a primary airbag mounted to a piston air bag such that the piston airbag provides a rolling surface for the primary airbag. A change in the piston airbag pressure changes the effective rate of the primary air spring. A relatively small change in the piston airbag volume provides a change in the spring rate of air spring assembly as the diameter of the rolloff surface is selectively modified.

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