AUTOMOTIVE SUSPENSION ADAPTIVE DAMPER Russian patent published in 2012 - IPC F16F9/16 F16F9/34 F16F9/50 

FIELD: transport.

SUBSTANCE: damper comprises external tube secured on rod guide, idle cylinder and working cylinder with piston secured on rod. Indirect-action controlled solenoid valve is arranged inside said tube. Valve inlet communicates with chamber composed by said working and idle cylinders. Valve outlet communicates with chamber made by idle cylinder and tube. Working cylinder piston and rod end chambers are communicated with chamber made by external tube and idle cylinder by means of bypass valves arranged in rod guide and base. Working cylinder walls have through working walls to communicate piston and rod end chambers with chamber made by working and idle cylinder. Bypass valve is arranged at lower working opening.

EFFECT: higher reliability, simplified design.

9 dwg