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INTEGRATED AND SELF-CONTAINED SUSPENSION ASSEMBLY HAVING AN ON-THE-FLY ADJUSTABLE AIR SPRING

  • US 20100263974A1
  • Filed: 04/27/2010
  • Published: 10/21/2010
  • Est. Priority Date: 06/25/2002
  • Status: Active Grant
First Claim
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1. A suspension unit operable between a compressed position and an extended position, comprising:

  • a first chamber filled with gas;

    a second chamber filled with gas, the second chamber gas biasing the suspension unit toward the extended position; and

    a valve assembly, comprising;

    a valve member operable between;

    an open position where the valve assembly provides open fluid communication between the gas chambers such that volumes of the chambers are effectively combined during compression of the suspension unit, anda closed position where the valve assembly prevents gas flow from the second chamber to the first chamber;

    a compression chamber at least substantially filled with damping fluid;

    a rebound chamber at least substantially filled with the damping fluid; and

    a damping piston operable to dampen flow of the damping fluid between the compression chamber and the rebound chamber in response to movement of the suspension unit between the positions.

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