Patent ID: 9657804
Date: 2017-05-23
CPC Classifications: B62K,F16F,Y10T

Claim:
1. A shock absorber, comprising: a first fluid chamber; a second fluid chamber; a fluid circuit connecting said first fluid chamber and said second fluid chamber; and an inertia valve comprising an inertia mass having an annular shape, said inertia mass surrounding a flow tube having an aperture there through wherein the inertia mass is moveable between a first position and a second position such that the inertia mass covers the aperture in the first position and uncovers the aperture in the second position, said inertia valve permitting a first rate of fluid flow through said fluid circuit in said first position of said inertia mass and said inertia valve permitting a second rate of fluid flow through said fluid circuit in said second position of said inertia mass, said second rate of fluid flow being non-equal to said first rate, wherein at least a portion of said inertia mass comprises tungsten, wherein said inertia mass comprises a non-tungsten portion defining a cavity, said inertia mass additionally comprising a volume of tungsten within said cavity.