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:
Jul. 19, 2022
Filed:
Apr. 13, 2020
Applicant:
United Technologies Corporation, Farmington, CT (US);
Inventor:
Robert C. Dolan, Coventry, CT (US);
Assignee:
RAYTHEON TECHNOLOGIES CORPORATION, Farmington, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23P 15/04 (2006.01); B23K 26/24 (2014.01); F01D 5/18 (2006.01); B23K 101/00 (2006.01);
U.S. Cl.
CPC ...
B23K 26/24 (2013.01); F01D 5/18 (2013.01); B23K 2101/001 (2018.08); B23P 15/04 (2013.01); F05D 2230/234 (2013.01);
Abstract
A method of forming an airfoil includes the steps of (a) providing an airfoil body with a hollow having at least one rib extending to an outer surface, and forming the outer surface of the rib to have at least one groove connecting a hollow pocket within a boundary defined by the rib to a location outwardly of the rib, (b) placing a cover over the hollow, and (c) welding the cover to the airfoil body, and such that the rib is welded to the blade cover. An intermediate airfoil body is also disclosed.