AIR SUSPENSION Russian patent published in 2011 - IPC B60G11/27 F16F9/04 

FIELD: transport.

SUBSTANCE: invention relates to automotive dampers that kill vertical oscillations of vehicles. Air suspension comprises rubber-cord envelopment 1 arranged in cartridge 2 with cover 3. Internal hollow plunger 4 is made up of cylinder divided by hollow piston 6 into two chambers 7 and 8. Piston 6 has centering rolls 9 arranged along its outer edge. Piston rod 11 is rigidly secured on cover 3 of main flexible element. Second rubber-cord envelopment 12 is arranged inside chamber 7, its top edges being secured on plunger cover 13 while bottom edged are secured on piston 6. Piston 2 has centering rolls 14 arranged along its inner edge. Rod end 7 communicates with vehicle receiver 20 or atmosphere via rod radial 16 and axial channels of rod 11, flexible line 18 and electro pneumatic valve 19. Piston end 9 is communicated via holes 21 in inner plunger bottom with atmosphere.

EFFECT: stabilised damping properties, longer life.

3 dwg