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:
Mar. 28, 2017
Filed:
Jan. 25, 2012
Applicants:
Thierry Cortes, Brunoy, FR;
Laurent Bernard Cameriano, Avon, FR;
Inventors:
Thierry Cortes, Brunoy, FR;
Laurent Bernard Cameriano, Avon, FR;
Assignee:
SNECMA, Paris, FR;
Primary Examiner:
Int. Cl.
CPC ...
F02C 7/22 (2006.01); F23D 11/24 (2006.01); F23D 11/38 (2006.01); F23R 3/28 (2006.01); F23R 3/34 (2006.01);
U.S. Cl.
CPC ...
F02C 7/22 (2013.01); F23D 11/24 (2013.01); F23D 11/38 (2013.01); F23R 3/28 (2013.01); F23R 3/343 (2013.01);
Abstract
A fuel injection device for an annular combustion chamber of a turbine engine, the device including a pilot circuit feeding an injector, a multipoint circuit feeding injection orifices formed in a front face of an annular chamber, and an annular ring mounted in the annular chamber and including fuel-passing orifices opening out into the injection orifices, each fuel-passing orifice formed in the annular ring including a zone of small section that is extended at least downstream or upstream by an orifice portion of increasing section.