Invention Grant
- Patent Title: Fan blade with composite cover and sacrificial filler
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Application No.: US15039268Application Date: 2014-09-29
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Publication No.: US10344772B2Publication Date: 2019-07-09
- Inventor: Charles H. Roche
- 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/US2014/058008 WO 20140929
- International Announcement: WO2015/105545 WO 20150716
- Main IPC: F01D5/14
- IPC: F01D5/14 ; F04D29/38 ; F01D5/28 ; B64C11/20 ; B64C11/26 ; F04D29/02 ; F04D29/32 ; B23P15/04 ; F01D5/16 ; B29C70/48 ; B29K63/00 ; B29K105/08 ; B29L31/08

Abstract:
A fan blade for a turbofan gas turbine engine is disclosed. The fan blade includes a body having a pressure side and a suction side and a cover. The suction side of the body includes an opening and at least one cavity for purposes of reducing the weight of the fan blade. The cover overlays the opening and includes a peripheral edge that is received in a slot defined by the body. The cavities are filled with a sacrificial material.
Public/Granted literature
- US20170023008A1 FAN BLADE WITH COMPOSITE COVER AND SACRIFICIAL FILLER Public/Granted day:2017-01-26
Information query