Invention Grant
- Patent Title: Covers for cavities in aircraft fan blades
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Application No.: US14768512Application Date: 2013-11-08
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Publication No.: US10060266B2Publication Date: 2018-08-28
- Inventor: James Cosby , Michael A. Weisse , Kwan Hui
- 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: Cantor Colburn LLP
- International Application: PCT/US2013/069069 WO 20131108
- International Announcement: WO2014/137415 WO 20140912
- Main IPC: F01D5/18
- IPC: F01D5/18 ; F01D5/14 ; B23P15/04 ; F04D29/32

Abstract:
Hollow fan blades for gas turbine engines are disclosed. The hollow fan blades include a body having a convex side and a concave side wherein the convex side has a cavity formed therein. The cavity is covered by two covers including an inner cover that may be adhered to the body of the fan blade assembly and an outer cover that may be adhered to the inner cover and/or the body of the fan blade assembly. The covers may be made of titanium, more than two covers may be employed and more than one cavity may be employed.
Public/Granted literature
- US20150377031A1 COVERS FOR CAVITIES IN AIRCRAFT FAN BLADES Public/Granted day:2015-12-31
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