Invention Grant
- Patent Title: Fan blade with adhesive fabric stackup
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Application No.: US15039929Application Date: 2014-11-25
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Publication No.: US10982683B2Publication Date: 2021-04-20
- Inventor: Lee Drozdenko , James O. Hansen , Jesse C. Meyer , Maria C. Kirejczyk , Scot A. Webb , Brandon A. Gates , Richard B. Bergethon
- Applicant: UNITED TECHNOLOGIES CORPORATION
- Applicant Address: US CT Farmington
- Assignee: UNITED TECHNOLOGIES CORPORATION
- Current Assignee: UNITED TECHNOLOGIES CORPORATION
- Current Assignee Address: US CT Farmington
- Agency: Carlson, Gaskey & Olds, P.C.
- International Application: PCT/US2014/067312 WO 20141125
- International Announcement: WO2015/099937 WO 20150702
- Main IPC: F04D29/38
- IPC: F04D29/38 ; B32B7/12 ; F01D5/28 ; F01D5/14 ; F01D5/12 ; B32B5/02 ; B32B15/14 ; B32B15/20 ; F04D29/02 ; F04D29/32

Abstract:
A blade comprises an airfoil extending from a trailing edge to a leading edge. The airfoil includes a body formed of an aluminum containing material. A sheath is at the leading edge and is formed of a titanium containing material. A sandwich is positioned intermediate the sheath and the airfoil body, the sandwich including an outer adhesive layer adjacent the sheath, an intermediate fabric layer and an inner adhesive layer adjacent the body. A gas turbine engine is also disclosed.
Public/Granted literature
- US20170023010A1 FAN BLADE WITH ADHESIVE FABRIC STACKUP Public/Granted day:2017-01-26
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