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:
Nov. 07, 2023
Filed:
Jan. 28, 2020
Applicant:
Pratt & Whitney Canada Corp., Longueuil, CA;
Inventor:
Philippe-André Tetrault, Boucherville, CA;
Assignee:
PRATT & WHITNEY CANADA CORP., Longueuil, CA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B64D 33/02 (2006.01); B64D 15/04 (2006.01); F02C 6/08 (2006.01); F02C 7/047 (2006.01); F02K 3/06 (2006.01);
U.S. Cl.
CPC ...
B64D 33/02 (2013.01); B64D 15/04 (2013.01); F02C 6/08 (2013.01); B64D 2033/0206 (2013.01); B64D 2033/0233 (2013.01); B64D 2033/0286 (2013.01); F02C 7/047 (2013.01); F02K 3/06 (2013.01); F05D 2220/323 (2013.01); F05D 2220/36 (2013.01);
Abstract
The nacelle can have an inlet portion having a duct wall and an outer skin, the duct wall being annular around an axis and having a surface forming a radially-outer delimitation to a gas path upstream of a fan area, the duct wall extending from a rounded inlet edge of the nacelle to the fan area, a cavity located inside the inlet portion, a compressed air inlet leading into the cavity, and an outlet fluidly connecting the cavity to the gas path, the outlet having a plurality of apertures disposed circumferentially around the duct wall, the apertures sloping circumferentially.