FIELD: transport engineering. SUBSTANCE: hydraulic damper has housing, cylinder installed in housing to form compensating chamber and provided with flange and valve on one end face and guide bushing, on opposite end face. Rod with piston passed through guide bushing, piston valve and two piston rings are arranged in cylinder. Oil control rings are installed on guide bushing between bushing and rod. Additional valve is installed in guide bushing to provide communication of rod space and compensating chamber. Throttling hole made in upper portion of cylinder communicates above-piston space and compensating chamber. EFFECT: improved vibration damping.
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