High-pressure generating device

Details High-pressure generating device High-pressure generating device

2007-01-23

2007-01-23

Stashick, Anthony D. (Department: 3746)

Pumps

Motor driven

Fluid motor

C417S400000, C417S401000, C417S544000, C417S545000, C417S549000, C417S555100

Reexamination Certificate

active

10620331

ABSTRACT:
A high-pressure fluid is continuously generated with high efficiency without causing pulsation of pressure by reciprocally moving a piston having first, second and third chamber sections under the control of an actuator including an operating pressure source and a directional control valve. With the reciprocating motion of the piston, liquid or fluid such as gas is fed into the first, second and third chamber sections in sequence through check valves and finally discharged outside at high pressure. The actuator is operated hydraulically, mechanically or electrically.

REFERENCES:
patent: 5190373 (1993-03-01), Dickson et al.
patent: 6068448 (2000-05-01), Muratsubaki et al.
patent: 6279854 (2001-08-01), Lindahl
patent: 6412457 (2002-07-01), Vorih et al.
patent: 56-129778 (1981-10-01), None

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