RAIL LUBRICATOR Russian patent published in 1997 - IPC

FIELD: railway transport; device for lubricating side surfaces of rails and wheel flanges. SUBSTANCE: device has two pneumohydraulic cylinders 5, 6 with four spaces 16, 17, 18, 19 formed by partition 12 dividing cylinder into two halves, and pistons 14, 15 on common rod 13. Spaces 16 are connected with compressor through pneumatic distributor 8. Spaces 17 are filled with low-viscosity liquid and are placed into communication through throttle valve 7. Spaces 18 communicate with atmosphere. Spaces 19 are placed in communication with source of grease of rail coating type through check valves 9, and with rail lubricating members 4 through check valves 10 and hydraulic distributor 11. EFFECT: improved quality of lubrication. 1 dwg