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:
Nov. 18, 2003
Filed:
May. 31, 2002
Scott M. Widrig, Hobe Sound, FL (US);
Jay Morrison, Oviedo, FL (US);
Harry A. Albrecht, Hobe Sound, FL (US);
Yevgeniy Shteyman, West Palm Beach, FL (US);
Steven C. Butner, Poway, CA (US);
Siemens Westinghouse Power Corporation, Orlando, FL (US);
Abstract
A ceramic matrix composite material (CMC) vane for a gas turbine engine wherein the airfoil member ( ) and the platform member ( ) are formed separately and are then bonded together to form an integral vane component ( ). Airfoil member and the platform member may be bonded together by an adhesive ( ) after being fully cured. Alternatively, respective joint surfaces ( ) of the green body state airfoil member and platform member may be co-fired together to form a sinter bond ( ). A mechanical fastener ( ) and/or a CMC doubler ( ) may be utilized to reinforce the bonded joint ( ). A matrix infiltration process ( ) may be used to create or to further strengthen the bond.