PNEUDRAULIC SHOCK ABSORBER Russian patent published in 1994 - IPC

FIELD: suppression of car swaying. SUBSTANCE: pneudraulic telescopic shock absorber comprises inner and outer cylinders, rod installed in inner cylinder and carrying rigidly secured piston with throttle holes arranged along two circumferences of different diameters, washers loaded by springs of different stiffness and disposed at both ends of piston; one of said washers covers throttle holes disposed on one circumference while the other one covers the holes on the other circumference; guide bushing, adapter with throttle holes and their overlapping washers identical in design and position in piston with, and an air chamber. The latter is formed by outer cylinder and guide bushing which has throttle channel for communication of above-piston space with air chamber. EFFECT: improved design. 3 cl, 4 dwg