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:
Jun. 23, 2020
Filed:
May. 02, 2018
Applicant:
Rolls-royce Plc, London, GB;
Inventors:
Assignee:
ROLLS-ROYCE plc, London, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01D 5/30 (2006.01); F01D 9/04 (2006.01); F01D 5/18 (2006.01); B23P 15/04 (2006.01); B23P 15/00 (2006.01); F01D 5/14 (2006.01);
U.S. Cl.
CPC ...
F01D 5/3061 (2013.01); B23P 15/006 (2013.01); B23P 15/04 (2013.01); F01D 5/147 (2013.01); F01D 5/18 (2013.01); F01D 9/041 (2013.01); F01D 9/044 (2013.01); F05D 2230/232 (2013.01); F05D 2230/236 (2013.01); F05D 2240/12 (2013.01); F05D 2250/291 (2013.01);
Abstract
A method of manufacturing a vane arrangement for a gas turbine engine comprises providing an aerofoil having a hollow cavity with an open end and providing a support member having a stub. The method further comprises welding the aerofoil to the stub. The method yet further comprises removing material from the stub so as to define a hollow region that extends through the support member and stub to the cavity of the aerofoil.