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Cold spray nozzle design

United States Patent

June 9, 2009
View the Complete Patent at the US Patent & Trademark Office
A nozzle for use in a cold spray technique is described. The nozzle has a passageway for spraying a powder material, the passageway having a converging section and a diverging section, and at least the diverging section being formed from polybenzimidazole. In one embodiment of the nozzle, the converging section is also formed from polybenzimidazole.
Haynes; Jeffrey D. (Stuart, FL), Sanders; Stuart A. (Palm Beach Gardens, FL)
United Technologies Corporation (Hartford, CT)
10/ 401,427
March 28, 2003
STATEMENT OF GOVERNMENT INTEREST This invention was made with Government support under CRADA SC001/01589 awarded by the U.S. Department of Energy. The Government of the United States of America has certain rights in this invention.