| 摘要 |
It is common practise that pistons are machined or made from solid metal. Novelty of invention is hollow piston that is filled with liquid. It is known fact that pressure is transferred differently in solids and liquids. This invention uses liquid to transfer pressure from one side of piston to another. Force is applaud on piston as it is common practise with hydraulic or pneumatic systems. Invention can be used in any hydraulic or pneumatic system.
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