Patent ID: 7273188

Claim:
An internal self-rotating, fluid jetting nozzle assembly comprising: a nozzle body having a main cavity and a front end; an elongated rotor rotatably moveable within said main cavity and having at least one passageway in fluid communication with said main cavity; a jewel holder disposed at a front end of said elongated rotor, said jewel holder having a front tip and being capable of carrying at least one jewel member, said at least one jewel member having at least one orifice in fluid communication with said at least one passageway of said elongated rotor; and a rotor seat disposed proximate to said front end of said nozzle body, said rotor seat including a contact portion and at least one passage in fluid communication with said at least one orifice of said jewel member, whereby said front tip of said jewel holder is capable of spinning against said contact portion of said rotor seat and wherein fluid may be jetted from said at least one orifice of said jewel member through said at least one passage of said rotor seat.