Gas spring suspension system

Details Gas spring suspension system Gas spring suspension system

2008-07-18

2010-11-23

Schwartz, Christopher P (Department: 3657)

Spring devices

Vehicle

Comprising compressible fluid

C280S276000

Reexamination Certificate

active

07837180

ABSTRACT:
A gas spring suspension system that maximizes the travel of the suspension system. The suspension system includes an outer tube and an inner tube slidable within the outer tube. A piston assembly is slidably mounted in the inner tube to sealingly separate a positive spring and a negative gas chamber. A floating piston is slidably mounted in the inner tube to separate a gas chamber from the negative gas chamber. The positive spring biases the inner and outer tubes apart from each other and the negative gas chamber biases the inner and outer tubes toward each other. The floating piston is configured to slidably displace within the inner tube in response to pressure differentials between the negative gas chamber and the gas chamber.

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patent: 6505719 (2003-01-01), Gonzalez et al.
patent: 6581948 (2003-06-01), Fox
patent: 6592136 (2003-07-01), Becker et al.

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