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.

Date of Patent:
Sep. 22, 2026

Filed:

Dec. 19, 2024
Applicant:

Pratt & Whitney Canada Corp., Longueuil, CA;

Inventors:

Guy Lefebvre, St-Bruno-de-Montarville, CA;

Francois Doyon, Ste-Julie, CA;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01D 25/30 (2006.01); F01D 9/06 (2006.01); F01D 25/24 (2006.01);
U.S. Cl.
CPC ...
F01D 25/30 (2013.01); F01D 9/06 (2013.01); F01D 25/24 (2013.01); F05D 2220/323 (2013.01); F05D 2240/12 (2013.01); F05D 2240/14 (2013.01); F05D 2260/60 (2013.01);
Abstract

A turbine exhaust duct (TED) for an aircraft engine, has: an annular inlet conduit extending around a central axis for directing combustion gases generally in an axial direction; outlet conduits communicating with the annular inlet conduit and extending generally radially outward relative to the annular inlet conduit, the outlet conduits extending from inlet ends at intersections with the annular inlet conduit to outlet ends, an outlet conduit of the outlet conduits having: a forward section facing an axially forward direction and a rearward section opposite the forward section, the forward section and the rearward section conjointly defining an outlet end of the outlet ends; and a reinforcement plate secured to the forward section, the reinforcement plate having a thickness greater than a baseline thickness of the outlet conduit outside the reinforcement plate.


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