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:
Aug. 30, 2016
Filed:
Jul. 22, 2011
Enzo Macchia, Kleinburg, CA;
Barry Barnett, Markham, CA;
Andreas Eleftheriou, Woodbridge, CA;
Tom Mcdonough, Barrie, CA;
George Guglielmin, Toronto, CA;
Joe Lanzino, Orangeville, CA;
Enzo Macchia, Kleinburg, CA;
Barry Barnett, Markham, CA;
Andreas Eleftheriou, Woodbridge, CA;
Tom McDonough, Barrie, CA;
George Guglielmin, Toronto, CA;
Joe Lanzino, Orangeville, CA;
PRATT & WHITNEY CANADA CORP., Longueuil, CA;
Abstract
An airfoil blade of a gas turbine engine includes a root configured for mating attachment with a cooperating rotor hub and an airfoil extending away from the root. The root is composed of a first metal and has a nanocrystalline metal coating, composed of a second metal, over at least a portion thereof. A method of protecting such a blade by applying a nanocrystalline metal coating to a portion of the blade root is also disclosed.