PASSENGER CAR DAMPER Russian patent published in 2011 - IPC B60F5/02 

FIELD: transport.

SUBSTANCE: invention relates to railway rolling stock, particularly to additional devices to damp passenger car vibrations. Proposed device comprises two hollow cases arranged aligned to form common chamber. Cam face with central bore and shaped surface is attached to the base of one of said cases along chamber axis. Guide aligned with cam central bore is attached to the base of the other case. Several flexible rods are secured all along the edges of said guide by their ends. opposite ends of said rods are provided with pressure rolls fitted on axles. Said pressure rolls can interact with aforesaid cam, cam length matching work stroke. Additionally, proposed device comprises appliances designed to joint to car body and bogie via appropriate brackets, arranged on outer side and secured to hollow cases bases. Device comprises also the sleeve secured to opposite face of shaped cam. Said sleeve supports thrust rollers fitted opposed on the axles. Said thrust rollers can interact with guide furnished with limiting disk arranged on guide free end. Length of guide and flexible rods is selected to be equal and commensurable with total length of the sleeve and the cam.

EFFECT: higher efficiency of damping, reduced metal input.

1 dwg