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:
May. 17, 2011
Filed:
Feb. 02, 2007
Florian Andre Francois Bessagnet, Antony, FR;
Patrice Andre Commaret, Rubelles, FR;
Mario Cesar DE Sousa, Cesson, FR;
Didier Hippolyte Hernandez, Quiers, FR;
Florian Andre Francois Bessagnet, Antony, FR;
Patrice Andre Commaret, Rubelles, FR;
Mario Cesar De Sousa, Cesson, FR;
Didier Hippolyte Hernandez, Quiers, FR;
SNECMA, Paris, FR;
Abstract
A turbomachine combustion chamber has primary and dilution air inlet orifices formed by die stamping to have edges that project into the inside of the combustion chamber, and stress relaxation and/or reduction means in the edges or in the vicinity of the edges of said orifices, said means comprising, for each orifice, one, two, or three slots formed in the edge or around a fraction of the edge of said orifice.