AIR-OPERATED SPRING FOR RAILWAY VEHICLE Russian patent published in 2005 - IPC

FIELD: railway transport.

SUBSTANCE: air-operated spring comprises cylinder that receives piston with rod. The cylinder is made of air-operated cylinder whose above-piston air space is in communication with the additional tank through the throttle passage which receives self-adjustable throttle member for permitting movements inside it. The self-adjustable throttle member is made of two trancated cones whose greater bases face each other. The spring is also provided with oil tank whose top air space is in communication with the additional tank through the tube with the reducing valve. The bottom oil space of the oil tank is connected with the connecting pipe on the bottom outer end of the rod through the flexible hose. The additional tank is provided with the electric heating member mounted inside the space and heat insulated from the ambient.

EFFECT: enhanced reliability.

3 cl, 3 dwg