| 摘要 |
A linear fluid piston device not requiring a fluid valve to operate and has operating piston stroke capabilities beyond traditional vibration fluid devices. The linear fluid device features (a) a movable piston means for linear motion, (b) a feature wherein said body provides rotational movement for fluid port alignment and a pressure vessel containing an (c) end cap and (d) cavity sized to guide the movable piston. In the improvement, the moveable piston provides a method for changing the linear direction in the event the total linear piston movement has not completed.
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