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:
Jul. 15, 2003
Filed:
Feb. 14, 2002
Alain Porte, Colomiers, FR;
Nathalie Pascal, Colomiers, FR;
Gilles Chene, Toulouse, FR;
Fabienne Montetagaud, Blagnac, FR;
Airbus France, Toulouse Cedex, FR;
Abstract
A process for de-icing an air intake cowling ( ) of a reaction motor, having an air intake lip ( ), a de-icing system ( ) and acoustic attenuation part ( ), where the acoustic attenuation part includes separate islands ( ) formed by a sandwich of an acoustically resistive porous layer forming a portion of the external envelope ( ) of the fan channel delimited by the air intake lip, a cellular core, and a reflector ( ), has the steps of sending into the lip, preferably in the direction of the acoustic attenuation islands, the warm fluid under pressure of the de-icing system, and causing the fluid to escape outside the cowling, through one or several openings ( ) of suitable shape and size, provided in the cowling.