Abstract
The double-acting air-oil intensifier designed in this paper can continuously output high pressure oil which meets the requirements of equipment that is high-pressure and with recirculation motion and it is driven by pneumatic substituting the independent hydraulic power source driven by electric motor. It consists of twin roller piston air cylinder, force amplifier, hydraulic cylinder and oil supercharger. The piston of air cylinder propelled by pressure gas makes cyclic motion and the driving force of piston increased by force amplifier pushes the piston of hydraulic cylinder and forces out hydraulic oil, then oil is input to the system after the second time when pressure amplification by oil superchargers. It has many advantages such as higher pressure ratio, compact structure, high efficiency, low cost and easy access to regulate pressure and flow rate.
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