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METHODS AND SYSTEMS RELATING TO IMPROVEMENTS IN RELIABILITY OF FLUID POWER ACTUATORS
METHODS AND SYSTEMS RELATING TO IMPROVEMENTS IN RELIABILITY OF FLUID POWER ACTUATORS
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机译:有关流体动力致动器可靠性的改进方法和系统
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摘要
Methods and systems relating to improvements in reliability of fluid power actuators are disclosed. An exemplary fluid power actuator (300) comprises, an actuator body (305) having a cylindrical cavity (310), fitted with a first end cap (315) and a second end cap (320) at longitudinal ends, a piston (325) with a piston rod (330) disposed inside the cylindrical cavity (310), wherein the actuator (300) is characterised by, a hollow tie rod (335) in the cylindrical cavity (310), wherein the hollow tie rod (335) is for conveying a pressurised fluid into a volume (A) in the cylindrical cavity (310) between the second end cap (320) and the piston (325) for exerting a force on the piston (325) for a stroke or stroke reversal. The hollow tie rod 335 serves dual purpose of holding the pressure retaining components together, providing a flow path for the fluid enabling actuator stroking and stroke reversal.
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