Skip to Content
Find More Like This
Return to Search

Method and apparatus for jet-assisted drilling or cutting

United States Patent

September 4, 2012
View the Complete Patent at the US Patent & Trademark Office
An abrasive cutting or drilling system, apparatus and method, which includes an upstream supercritical fluid and/or liquid carrier fluid, abrasive particles, a nozzle and a gaseous or low-density supercritical fluid exhaust abrasive stream. The nozzle includes a throat section and, optionally, a converging inlet section, a divergent discharge section, and a feed section.
Summers; David Archibold (Rolla, MO), Woelk; Klaus Hubert (Rolla, MO), Oglesby; Kenneth Doyle (Tulsa, OK), Galecki; Grzegorz (Rolla, MO)
Regency Technologies, LLC (Tulsa, OK), The Curators of the University of Missouri (Rolla, MO)
12/ 400,507
March 9, 2009
GRANT STATEMENT The invention was made in part from government support under Grant No. DE-FC26-04NT15476 from the Department of Energy. The U.S. Government has certain rights in the invention.