Patent ID: 8511448

Claim:
A shock absorber assembly comprising: a compression tube associated with a first mounting point; a piston including a piston rod wherein the piston is positioned within the compression tube and the piston rod is associated with a second mounting point; a negative air spring volume defined at least by a first side of the piston, an interior surface of a first portion of the compression tube, and an exterior surface of a portion of the piston rod; and a positive air spring volume including: a first chamber defined at least by a second side of the piston, and a second portion of the interior surface of the compression tube; and a second chamber located in the piston rod; wherein: the second chamber is separate from the negative air spring; the positive air spring volume is fluidly isolated from the negative air spring over a majority of a translation range of the piston in the compression tube; and the positive air spring volume is fluidly coupled to the negative air spring at a predetermined location of the piston in the compression tube.