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US 2022/0242191 A1Published application
Methods and apparatus for vehicle suspension having multiple gas volumes
AssigneeFox Factory, Inc.
InventorsMario GALASSO, Joshua Benjamin YABLON, Andrew LAIRD, William M. BECKER, Joseph FRANKLIN, Dennis K. WOOTTEN
Life of this patent
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Abstract
A method and apparatus for a vehicle suspension system gas spring. In one embodiment, a vehicle suspension system gas spring includes a compressible main gas chamber and an additional volume combinable with the main chamber to change a gas spring rate of the system. In one embodiment, a low friction piston seal is created by a flexible seal member.
Claims3
A gas spring system for use in a suspension system, comprising:
- A first chamber having a mechanical spring member therein, the spring member extendable in a compression stroke of the system;
- a second chamber isolated from the first chamber, the second chamber having pressurized gas therein, the gas compressible in the compression stroke;
- whereby the spring member and the pressurized gas both operate to form a spring rate in the compression stroke.
Dependencies are inferred from the claim text.