CAR RETARDER Russian patent published in 2009 - IPC B61K7/08 

FIELD: transportation.

SUBSTANCE: invention is intended for control of cuts rolling-down speed in mechanised and automated hump yards of low capacity. Car retarder comprises brake beams with tyres installed in levers, lever system, pressing mechanism, hydraulic system. Lever system is arranged in the form of single-arm levers installed on axis and is equipped with hydraulic cylinders. Press mechanism is arranged in the form of plunger cylinders with return springs. Hydraulic cylinders of levers are connected via check valves with return springs and with tank for working fluid via safety valve. Plunger cylinders with return springs are connected to tank for working fluid by means of check valves. Plunger cylinders with return springs are installed in elements for fixation to rail.

EFFECT: increased reliability of operation and simplified design due to higher rigidity of structure.

2 cl, 3 dwg