BRAKING CYLINDER Russian patent published in 2010 - IPC B60T17/08 

FIELD: transport.

SUBSTANCE: invention relates to railway transport, namely to rolling stock braking cylinders. Proposed braking cylinder comprises casing, piston with braking spring and extra piston rigidly coupled with rod arranged in cylinder with return valve. Main piston has a variable linkage with rod. To this end, main piston is provided with linkage control unit representing extra piston fitted on main piston top disk. Extra piston rod has L-like slide with top end entering the recess of extra piston post in control operation. Said post enters hollow case of another post arranged on main piston casing and furnished with spring. Main piston has holes to communicate main piston underside chamber with extra piston chamber.

EFFECT: higher reliability, better controllability and lower operating costs.

2 dwg