HYDRAULIC DAMPER Russian patent published in 2011 - IPC F16F9/14 F16F5/00 

FIELD: machine building.

SUBSTANCE: hydraulic damper consists of piston of two parts and of separate rods movably set one relative to another. Through slots of arc shape are made on halves of the piston in vertical plane with constant radius. Ribs adjoining lugs are movably secured in the slots. The ribs are rigidly fixed on contacting each other planes of the piston halves. The lugs are set on external end surfaces of the piston halves and are equipped with horizontal channels transforming into vertical ones. The lugs and horizontal channels have arc-shape of constant radius along their length.

EFFECT: raised efficiency of damper operation.

3 dwg