Fluid handling – Systems – Programmer or timer
Patent
1997-05-30
1999-07-27
Lee, Kevin
Fluid handling
Systems
Programmer or timer
13762414, 251 3001, 239570, F16K 3112
Patent
active
059273291
ABSTRACT:
An apparatus and method for generating a high-speed pulsed fluid jet wherein the apparatus has a valve cylinder that forms a valve cavity. A piston is slidably mounted within the valve cavity. A plunger with an internal chamber is fixed with respect to the piston. The internal chamber communicates with the valve cavity. An end plug is sealably mounted with respect the plunger. The end plug has a bore through which a valve stem is sealably and slidably mounted. The valve stem is mounted to slide within the internal chamber, the bore of the end plug and a valve chamber of a cylinder. The valve chamber communicates with a pressurized fluid source. A valve poppet is attached to the valve stem. A spring or compressed gas is used to exert a bias force which normally urges the valve poppet into a releasable seated position within a valve port of an end plug which is sealably mounted with respect to a fluid cylinder that forms the valve chamber.
REFERENCES:
patent: 3494376 (1970-02-01), Doeringsfeld et al.
patent: 4534427 (1985-08-01), Wang et al.
patent: 4555872 (1985-12-01), Yie
patent: 4747576 (1988-05-01), Saito et al.
patent: 5092362 (1992-03-01), Yie
patent: 5117872 (1992-06-01), Yie
patent: 5186393 (1993-02-01), Yie
patent: 5799688 (1998-09-01), Yie
Jetec Company
Lee Kevin
LandOfFree
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