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

FIELD: transport.

SUBSTANCE: damper comprises working cylinder, control unit and accumulation tank. Piston with hollow rod is arranged inside working cylinder to displace therein. Said rod is closed by cover with elements for attachment to vehicle. Indirect-action controlled solenoid valve comprises distribution chamber and serial inlet chamber, outlet annular chamber, gate chamber and that of control valve. Working cylinder top cylindrical part accommodates limiting bush surrounding said rod. Rod bottom section has through upper working openings. Tube with spring-loaded valve with through lower working openings arranged at its lower end, inside said rod in piston, and rigidly secured therein. Closed cavity between rod and tube at rod top is communicated with inlet chamber of said controlled solenoid valve while tube top is communicated with distribution chamber of said solenoid valve.

EFFECT: higher reliability, simplified design.

8 dwg