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Abstract

A method and apparatus for generating a high-pressure fluid jet which preferably draws a material, such as an additive, into the fluid jet. A working pressure of the fluid is increased to generate a high-pressure fluid. The high-pressure fluid is stored within a high-pressure chamber of an accumulator. The stored high-pressure fluid is discharged through a discharge port of the accumulator. The pressure of the high-pressure fluid within the high-pressure chamber is maintained by decreasing the volume of the high-pressure gas chamber as the fluid passes through the discharge port. The high-pressure fluid is then transported into an injection nozzle for forming a high-pressure fluid jet. Within the injection nozzle, a material is combined with the high-pressure fluid jet. The combined fluid and material jet is then discharged from the injection nozzle.

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First Claim