Invention Grant
- Patent Title: Fan blade composite ribs
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Application No.: US15032526Application Date: 2014-10-09
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Publication No.: US10371165B2Publication Date: 2019-08-06
- Inventor: 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/US2014/059897 WO 20141009
- International Announcement: WO2015/102715 WO 20150709
- Main IPC: F01D5/04
- IPC: F01D5/04 ; F04D29/38 ; F01D5/14 ; F01D5/28 ; F04D29/02 ; F04D29/32

Abstract:
A fan blade has a blade body, a composite rib and a cover. The blade body extends from a blade root to an opposed blade tip along a longitudinal axis. The blade body defines a leading edge and a trailing edge. A first airfoil surface extends from the leading edge to the trailing edge A pocket is defined between the leading edge, the trailing edge, the blade root, and the blade tip. The pocket has a bottom surface that opposes the first airfoil surface across the blade body. The composite rib is disposed in the pocket. The cover is mounted to the composite rib and the blade body to form a second airfoil surface opposed to the first airfoil surface.
Public/Granted literature
- US20160265548A1 FAN BLADE COMPOSITE RIBS Public/Granted day:2016-09-15
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