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HYDRAULIC SYSTEM FOR ENERGY REGENERATION IN A WORK MACHINE SUCH AS A WHEEL LOADER
HYDRAULIC SYSTEM FOR ENERGY REGENERATION IN A WORK MACHINE SUCH AS A WHEEL LOADER
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机译:轮式装载机等工程机械中的能量再生液压系统
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摘要
A hydraulic system is adapted to recover potential and kinetic energy of a work attachment of a work machine. A valve arrangement may configure the hydraulic system in various modes. The hydraulic system may provide suspension and/or actuation for the work attachment. The energy of the work attachment may move a rod of a first cylinder. The rod may pressurize fluid within the first cylinder. The pressurized fluid may flow from the first cylinder through a valve and into an accumulator. The first cylinder may amplify pressure of the fluid. The pressurized fluid in the accumulator may actuate the first cylinder. The movement of the rod of the first cylinder may cause simultaneous actuation of a second cylinder. A controller may monitor pressures and positions of components of the hydraulic system and control the valve arrangement.
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