DAMPING SYSTEM, WORKING MACHINE WITH SAID SYSTEM AND METHOD OF MACHINE WORKING TOOL DAMPING IN MOTION Russian patent published in 2012 - IPC E02F9/22 

FIELD: machine building.

SUBSTANCE: proposed system comprises, at least, one hydraulic cylinder to handle cargoes, accumulator and valve to control flows between said cylinder and said accumulator. Note here that said system comprises first control valves arranged on tube connected to hydraulic cylinder piston side, second control valve arranged on tube connected to cylinder rod side, first hydraulic cylinder pressure transducer, second accumulator pressure transducer, and control unit. Note also that control unit receives signals containing data on pressures measured by aforesaid transducers and to generate signals to control damping control functions. Invention covers also method of damping working tool comprising measuring accumulator and hydraulic cylinder pressures, and controlling damping functions in compliance with measured pressures. Note here that pressures between accumulator and cylinder piston are equalised and flow between accumulator and tank are controlled by control valve arranged on tube secured to hydraulic cylinder piston side.

EFFECT: higher efficiency.

37 cl, 2 dwg