Pumps – Intensifier
Reexamination Certificate
2007-02-13
2007-02-13
Stashick, Anthony D. (Department: 3746)
Pumps
Intensifier
C417S226000, C417S393000, C417S401000, C417S534000
Reexamination Certificate
active
10455604
ABSTRACT:
A system to intensify pressure supplied by a conventional pump where a piston assembly having two piston members at opposite ends is positioned in a pressure cylinder. The laterally outer subchambers are defined by the piston members and the cylinder and are adapted to receive fluid at an operating pressure provided by the pump and produce intensified pressure at the opposite outer subchamber. A pressure distributing system alternates returning fluid at intensified pressure to the inner subchamber near the outer subchamber creating the intensified pressure.
REFERENCES:
patent: 4386888 (1983-06-01), Verley
patent: 4515516 (1985-05-01), Perrine et al.
patent: 4627794 (1986-12-01), Silva
patent: 4674958 (1987-06-01), Igarashi et al.
patent: 4927335 (1990-05-01), Pensa
patent: 5462414 (1995-10-01), Permar
Gillan Ryan P.
Hughes Robert B.
Hughes Law Firm PLLC
Stashick Anthony D.
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