HYDRAULIC SHOCK ABSORBER WITH CONTROLLED CHARACTERISTIC Russian patent published in 2010 - IPC F16F5/00 F16F9/16 

FIELD: machine building.

SUBSTANCE: shock absorber consists of working cylinder, inside of which there is installed piston with throttling orifices. A rebound valve and compression valve, shutting throttle orifices, are installed in the piston. Tightness of each valve adjoining the piston is ensured by means of a spring with a washer. A rod is attached to the piston by means of thread. Overload relief rebound and compression valves are arranged around the working cylinder along periphery. Springs of the overload relief valves have different rigidity. Each overload relief valve is installed in a case and is compressed to a seat by means of a spring. The seat of each overload relief valve is pressed into the case. The overload relief valves are coupled with the working cylinder by means of pipes with connectors. Inside a compensating chamber has a piston dividing working fluid and inert gas- nitrogen. The compensating chamber is coupled with the working cylinder by means of a high-pressure pipeline. On top the working cylinder is closed with a nut. A collar of the rod is installed between the rod and the nut of the working cylinder to ensure pressure tightness.

EFFECT: increased smoothness of run and reduced roll of car body.

2 dwg