FEED AND ADJUSTMENT HYDRAULIC ASSEMBLY FOR LIFTER WITH TWO SUPPORTS WITH INDEPENDENT DRIVES RUNNING AT TIME Russian patent published in 2013 - IPC F15B11/22 

FIELD: transport.

SUBSTANCE: invention relates to hydraulic assy 1 mounted at vehicle with adjustable platform resting on two mechanically independent levers and drive by hydraulic lifting device. Proposed hydraulic assy comprises circulating fluid for feed and return for two hydraulic lifters and preferably includes: balancer valve 21 to control lowering of platforms, separation valve 22 to separate fed fluid into two flows at equal speed, each supplying one of said hydraulic lifters, and adjustment hydraulic control valve 23. The latter is used by operator for adjustment of said lifters irrespective of their direction and position to isolate one of them 6 and to operate another one 5.

EFFECT: simplified design and lower costs.

14 cl, 13 dwg