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:
Dec. 30, 2014
Filed:
Oct. 07, 2011
Applicants:
Richard Bouchard, Sorel-Tracy, CA;
Douglas Maccaul, Varennes, CA;
Daniel Trottier, Calixa-Lavallee, CA;
Inventors:
Richard Bouchard, Sorel-Tracy, CA;
Douglas MacCaul, Varennes, CA;
Daniel Trottier, Calixa-Lavallee, CA;
Assignee:
Pratt & Whitney Canada Corp., Longueuil, Quebec, CA;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01D 25/24 (2006.01); F01D 25/16 (2006.01);
U.S. Cl.
CPC ...
F01D 25/246 (2013.01); F01D 25/162 (2013.01);
Abstract
A vane structure of a gas turbine engine includes a plurality of vanes extending radially between outer and inner shrouds. At least the outer shroud is formed substantially from a single-piece annular skin of sheet metal. A plurality of reinforcing plates are placed against and are affixed to an outer surface of the skin of the outer shroud in respective joining locations where a radial outer end of each of the respective vanes joins the skin.