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Title: Composite turbine bucket assembly

A composite turbine blade assembly includes a ceramic blade including an airfoil portion, a shank portion and an attachment portion; and a transition assembly adapted to attach the ceramic blade to a turbine disk or rotor, the transition assembly including first and second transition components clamped together, trapping said ceramic airfoil therebetween. Interior surfaces of the first and second transition portions are formed to mate with the shank portion and the attachment portion of the ceramic blade, and exterior surfaces of said first and second transition components are formed to include an attachment feature enabling the transition assembly to be attached to the turbine rotor or disk.
Inventors:
;
Issue Date:
OSTI Identifier:
1132514
Assignee:
General Electric Company (Schenectady, NY) NETL
Patent Number(s):
8,727,730
Application Number:
12/754,689
Contract Number:
FC26-05NT42643
Resource Relation:
Patent File Date: 2010 Apr 06
Research Org:
General Electric Company, Schenectady, NY (United States)
Sponsoring Org:
USDOE
Country of Publication:
United States
Language:
English
Subject:
42 ENGINEERING

Other works cited in this record:

Turbine rotor with pin mounted ceramic turbine blades
patent, April 1978

Blade attachment structure for gas turbine rotor
patent, June 1978

Ceramic rotor blade assembly for a gas turbine engine
patent, September 1978

Multiple-piece ceramic turbine blade
patent, March 1979

Platform assembly for attaching rotor blades to a rotor disk
patent, June 1993

Ceramic blade attachment system
patent, December 1994

Ceramic blade attachment system
patent, April 1995

Ceramic blade attachment system
patent, July 1995

Pin and roller attachment system for ceramic blades
patent, July 1995

Ceramic blade attachment system
patent, December 1996

Blade, turbine disc and hybrid type gas turbine blade
patent, April 1998

Gas turbine flowpath structure
patent, August 2006

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