Invention Grant
- Patent Title: Dual element turbine blade
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Application No.: US13966732Application Date: 2013-08-14
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Publication No.: US10072503B2Publication Date: 2018-09-11
- Inventor: Kenneth G. Caldeira , William David Duncan , Bran Ferren , William Gates , W. Daniel Hillis , Roderick A. Hyde , Muriel Y. Ishikawa , Edward K. Y. Jung , Jordin T. Kare , John Latham , Nathan P. Myhrvold , Stephen H. Salter , Clarence T. Tegreene , David B. Tuckerman , Thomas Allan Weaver , Charles Whitmer , Lowell L. Wood, Jr. , Victoria Y. H. Wood
- Applicant: Elwha LLC
- Applicant Address: US WA Bellevue
- Assignee: Elwha LLC
- Current Assignee: Elwha LLC
- Current Assignee Address: US WA Bellevue
- Agency: Foley & Lardner LLP
- Main IPC: F01D5/14
- IPC: F01D5/14 ; F01D5/28

Abstract:
A turbine blade includes a core element having a base portion, a tip portion, and an intermediate portion extending between the base portion and the tip portion. The intermediate portion includes a non-uniform cross-section and is a high-strength fiber material. The turbine blade further includes a shell disposed around the core element, and the volume between the core element and the shell forms a void.
Public/Granted literature
- US20150050159A1 DUAL ELEMENT TURBINE BLADE Public/Granted day:2015-02-19
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