Patent ID: 6752686
Filing Date: 2004-06-22
Classification: B24C,B26F,Y10T

Abstract:
An apparatus for generating a high pressure fluid jet for treatment of a selected surface, comprising:a nozzle configured to be coupled to a source of a first fluid, the nozzle having a nozzle orifice extending therethrough in fluid communication with the source of the first fluid; a delivery conduit having a first conduit opening in fluid communication with the nozzle orifice, the delivery conduit further having a second conduit opening spaced apart from the first conduit opening for directing the fluid jet, the delivery conduit having a conduit channel extending between the first and second conduit openings, a length of the conduit channel between the first and second conduit openings being at least approximately ten times a mean diameter of the second conduit opening, at least one of the nozzle and the delivery conduit having at least one aperture upstream of the second conduit opening, the aperture being configured to be coupled to a source of a second fluid; and a supply conduit coupled to the source of the first fluid, the supply conduit having an access opening to removably receive the nozzle and at least a portion of the delivery conduit.