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:
Feb. 12, 2019
Filed:
Dec. 02, 2015
Rolls-royce Corporation, Indianapolis, IN (US);
Rolls-royce North American Technologies, Inc., Indianapolis, IN (US);
Richard C. Uskert, Timonium, MD (US);
Kang N. Lee, Zionsville, IN (US);
Ted J. Freeman, Danville, IN (US);
Rolls-Royce North America Technologies, Inc., Indianapolis, IN (US);
Rolls-Royce Corporation, Indianapolis, IN (US);
Abstract
A blade and method for producing the blade for a gas turbine engine are described herein. The blade may include a composite airfoil. The airfoil may comprise a ceramic material, and a distal end. A tip may extend from the distal end of the airfoil. The tip of the airfoil may comprise a substantially porous structure and may comprise infiltrated material extending from an airfoil preform to a tip preform to join the airfoil preform and the tip preform.