The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 24, 2010
Filed:
Apr. 06, 2006
Philip E. O. Buelow, West Des Moines, IA (US);
Brandon P. Williams, Riviera Beach, FL (US);
David H. Bretz, West Des Moines, IA (US);
Michael Spooner, Derby, GB;
Caroline Mohamed, Derby, GB;
Helen Gill, Nottingham, GB;
Philip E. O. Buelow, West Des Moines, IA (US);
Brandon P. Williams, Riviera Beach, FL (US);
David H. Bretz, West Des Moines, IA (US);
Michael Spooner, Derby, GB;
Caroline Mohamed, Derby, GB;
Helen Gill, Nottingham, GB;
Delavan Inc, West Des Moines, IA (US);
Abstract
A lean direct injection fuel nozzle for a gas turbine is disclosed which includes a radially outer main fuel delivery system including a main inner air swirler defined in part by a main inner air passage having a radially inner wall with a diverging downstream surface, an intermediate air swirler radially inward of the main inner air swirler for providing a cooling air flow along the downstream surface of the radially inner wall of the main inner air passage, and a radially inner pilot fuel delivery system radially inward of the intermediate air swirler.