On-off valves and pressure regulators for high-pressure fluids

Fluid sprinkling – spraying – and diffusing – Including valve means in flow line – Reciprocating

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137509, 13763015, 175424, 239570, 239596, 251 31, 251 634, 251 77, F16K 31122

Patent

active

051863936

ABSTRACT:
A fast-actuating on-off valve and pressure regulator particularly well-suited for use with high-pressure incompressible fluids. An actuator, manually-operated or powered, provides a linear push-pull force to a valve stem assembly mounted inside a valve cavity having a fluid inlet and one or more fluid outlets. The valve stem assembly includes a valve stem that has a shoulder at one end. The valve stem assembly includes a stem collar having a capped end with a central hole to engage the valve stem, a cylindrical cavity to house the stem shoulder, and a threaded portion engageable with a valve poppet or a poppet extension. Each valve poppet has a threaded end engageable with the stem collar and a sealing end to engage with a fluid outlet centrally positioned within a valve seat or a valve poppet. The end of the valve stem which is opposite the shoulder end extends beyond or outside of the valve body, preferably through a stem seal and a seal support, and into a valve stem anchor for engaging a power piston of an actuator or a valve trigger of a manually-operated actuator.

REFERENCES:
patent: 3537653 (1970-11-01), Jones
patent: 3561680 (1971-02-01), Ott
patent: 3672575 (1972-06-01), Hinrichs
patent: 3885739 (1975-05-01), Tuttle
patent: 4162763 (1979-07-01), Higgins
patent: 4216907 (1980-08-01), Fuller
patent: 4313570 (1982-02-01), Olsen
patent: 4640309 (1987-02-01), Hoffman et al.
patent: 4784330 (1988-11-01), Hammelmann
One page advertisement from Hydro Manufacturing & Sales, P.O. Box 308, Missouri City, Tex. 77459. (Undated).
Applicant's three sketches describing hand-operated waterjet lance sold by Applicant on Jul. 7, 1989.

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