PNEUMATIC SHOCK-ABSORBER Russian patent published in 2011 - IPC B60G13/14 F16F9/04 F16F15/03 

FIELD: transport.

SUBSTANCE: invention relates to supporting vibration protection components for large-dimensioned objects. Pneumatic shock-absorber contains ring (1), punch (2) interconnected by elastic resilient element (3), rod (13) with gear rack (14) at one side and correcting device located inside the punch (2). Correcting device consists of electric motor (17) having gear wheel (19) on shaft (18). Ring (1) is made multicomponent and has coaxial outer (5) and inner (6) cylindrical cups. Inner cylindrical cup (6) is located in the hole (8) of the punch (2) and inside it, has hole (10) at the bottom and centering rollers (11) along lower outer edge which rollers rest on inner surface (12) of the punch (2). Electric motor (17) is fitted in the hole (10) at the bottom of inner cylindrical cup (6) and is connected with control unit (21).

EFFECT: higher efficiency of damping.

2 cl, 4 dwg