| 摘要 |
<p>A pneumatic-hydraulic pressure amplifier (100) comprising a pneumatic cylinder-piston assembly (1, 2) operated by compressed air fed to said cylinder through a first inlet (10), a co-operated hydraulic cylinder-piston assembly (3, 4) the piston (3) of which is mechanically connected to said pneumatic piston (1), an oil reservoir (5) in controlled communication with said hydraulic cylinder, in which a piston (6) is arranged biased in said oil reservoir (5) in contact with the moving oil surface.</p> |
