Invention Grant
- Patent Title: Composite gas turbine engine blade having multiple airfoils
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Application No.: US14145009Application Date: 2013-12-31
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Publication No.: US09677405B2Publication Date: 2017-06-13
- Inventor: Ted J. Freeman , Andrew J. Lazur , Adam L. Chamberlain
- Applicant: Rolls-Royce Corporation , Rolls-Royce North American Technologies, Inc.
- Applicant Address: US IN Indianapolis US IN Indianapolis
- Assignee: Rolls-Royce Corporation,Rolls-Royce North American Technologies, Inc.
- Current Assignee: Rolls-Royce Corporation,Rolls-Royce North American Technologies, Inc.
- Current Assignee Address: US IN Indianapolis US IN Indianapolis
- Agency: Barnes & Thornburg, LLP
- Main IPC: F01D5/22
- IPC: F01D5/22 ; F01D5/30 ; F01D5/28
Abstract:
An apparatus includes a composite gas turbine engine multi-airfoil blade that includes first and second circumferentially spaced adjacent composite airfoils coupled together via a common composite attachment. The common attachment does not employ a fastener. The composite multi-airfoil blade may have a unitary construction having a ceramic matrix composition.
Public/Granted literature
- US20150017002A1 COMPOSITE GAS TURBINE ENGINE BLADE HAVING MULTIPLE AIRFOILS Public/Granted day:2015-01-15
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