| 摘要 |
PURPOSE: A water pressure ram pump is provided to ensure high efficiency and long span of life by simple structure and to be operated to increase pressure, volume and also flowing. CONSTITUTION: The water pressure ram pump has:a water passage for propulsion(1) connected to the compressing side of a ram pump valve(3) and also to a spring storing part(5); a drainage passage(2); a ram pump valve(3) having a piston(3a) and a storing or closing spring(3b) where the piston(3a) is biased to a valve seat(6), and it's closed state is maintained; and a bottom valve(4) to absorb the delivery water.
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