Method and apparatus for prepping bores and curved inner surfaces with a rotating high-frequencey forced pulsed waterjet
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United States of America Patent
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Sep 12, 2017
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Sep 5, 2013
filing date -
Jul 16, 2008
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Abstract
A method of prepping a cylindrical inner surface of a bore using a high-frequency forced pulsed waterjet apparatus entails generating a pressurized waterjet using a high-pressure water pump, generating a high-frequency signal using a high-frequency signal generator, applying the high-frequency signal to a transducer having a microtip to cause the microtip to vibrate to thereby generate the high-frequency forced pulsed waterjet, and rotating the rotatable ultrasonic nozzle inside the bore to prep the inner cylindrical surface of the bore using the high-frequency forced pulsed waterjets exiting from the angled exit orifices of the rotatable ultrasonic nozzle.
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