Pumps – Motor driven – Fluid motor
Patent
1987-06-11
1989-04-11
Smith, Leonard E.
Pumps
Motor driven
Fluid motor
91443, 91445, 91447, 91463, 1374939, F04B 910, F15B 1522
Patent
active
048201367
ABSTRACT:
A fluid pressure-intensifying system of the double-acting type has a recompression valve assembly that meters working fluid of the low pressure hydraulic cylinder to control low pressure piston travel upon reversal at the end of each pressure-intensifying stroke.
REFERENCES:
patent: 2590769 (1952-03-01), Herrstrum
patent: 2988060 (1961-06-01), Arbogast
patent: 3107688 (1963-10-01), Caslow
patent: 3374863 (1968-03-01), Kozlowski et al.
patent: 4132153 (1979-01-01), Grotness et al.
patent: 4555976 (1985-12-01), Wolfges
Cross, Jr. Harry M.
Smith Leonard E.
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