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:
Apr. 07, 2020
Filed:
Jun. 28, 2017
Applicant:
Rolls-royce Plc, London, GB;
Inventor:
Phillip J. Doorbar, Derby, GB;
Assignee:
ROLLS-ROYCE PLC, London, GB;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01D 5/14 (2006.01); F01D 5/16 (2006.01); F01D 5/26 (2006.01); F04D 29/08 (2006.01); F04D 29/32 (2006.01); B23P 6/00 (2006.01); F01D 5/00 (2006.01); B22F 3/10 (2006.01); B22F 7/08 (2006.01); B23K 20/10 (2006.01); F01D 5/28 (2006.01); F04D 29/38 (2006.01); F04D 29/66 (2006.01); B22F 5/04 (2006.01);
U.S. Cl.
CPC ...
F01D 5/26 (2013.01); B22F 3/10 (2013.01); B22F 7/08 (2013.01); B23K 20/10 (2013.01); B23P 6/002 (2013.01); F01D 5/005 (2013.01); F01D 5/16 (2013.01); F01D 5/28 (2013.01); F04D 29/083 (2013.01); F04D 29/324 (2013.01); F04D 29/388 (2013.01); F04D 29/668 (2013.01); B22F 5/04 (2013.01); F05D 2220/32 (2013.01); F05D 2230/233 (2013.01); F05D 2230/234 (2013.01); F05D 2230/31 (2013.01);
Abstract
A method of sealing one or more openings provided in a wall of an aerofoil for a gas turbine engine, the aerofoil comprising at least one cavity which is at least partly filled with a vibration damping material, the method comprising steps to provide a metallic material onto the wall of the aerofoil in order to cover the opening and bond the metallic material to the wall of the aerofoil to seal the opening.