Importance

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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.

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First Claim