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. 15, 2023
Filed:
Aug. 21, 2018
Rolls-royce North American Technologies Inc., Indianapolis, IN (US);
Rolls-royce Corporation, Indianapolis, IN (US);
Ted J. Freeman, Danville, IN (US);
Bruce E. Varney, Greenwood, IN (US);
David J. Thomas, Brownsburg, IN (US);
Jeffrey A. Walston, Indianapolis, IN (US);
Rolls-Royce North American Technologies Inc., Indianapolis, IN (US);
Rolls-Royce Corporation, Indianapolis, IN (US);
Abstract
A vane assembly for a gas turbine engine is disclosed in this paper. The vane assembly includes an inner platform, an outer platform, and a ceramic-containing airfoil. The ceramic-containing airfoil extends between the inner platform and the outer platform. A reinforcement spar extends between the inner platform and the outer platform through a hollow core of the ceramic-containing airfoil.