Invention Application
- Patent Title: FAN BLADE WITH COMPOSITE COVER AND SACRIFICIAL FILLER
- Patent Title (中): 风叶与复合盖和牺牲剂填料
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Application No.: PCT/US2014058008Application Date: 2014-09-29
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Publication No.: WO2015105545A3Publication Date: 2015-09-17
- Inventor: ROCHE CHARLES H
- Applicant: UNITED TECHNOLOGIES CORP
- Assignee: UNITED TECHNOLOGIES CORP
- Current Assignee: UNITED TECHNOLOGIES CORP
- Priority: US201361908885 2013-11-26
- Main IPC: F01D5/14
- IPC: F01D5/14 ; F01D5/18
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.
Information query
