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:
Jan. 12, 2021
Filed:
Sep. 26, 2018
Applicants:
Rolls-royce Corporation, Indianapolis, IN (US);
Rolls-royce Plc, London, GB;
Inventors:
Eric Koenig, Fishers, IN (US);
Michael J. Whittle, Derby, GB;
Daniel K. Vetters, Indianapolis, IN (US);
Assignees:
Rolls-Royce Corporation, Indianapolis, IN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01D 9/04 (2006.01); F01D 25/28 (2006.01);
U.S. Cl.
CPC ...
F01D 9/042 (2013.01); F01D 9/041 (2013.01); F01D 25/28 (2013.01); F05D 2220/32 (2013.01); F05D 2260/95 (2013.01);
Abstract
An airfoil vane assembly includes an anti-wear device for blocking fretting on the airfoil shell and/or carrier as an interface between the airfoil shell and carrier during relative movement. The anti-wear device can be secured with one of the airfoil shell and carrier while slidingly engaged with the other.