Invention Grant
- Patent Title: Device for fastening a variable pitch blade
- Patent Title (中): 用于固定可变桨距叶片的装置
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Application No.: US13002437Application Date: 2009-07-16
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Publication No.: US08651821B2Publication Date: 2014-02-18
- Inventor: Daniel Bernard Dao , Adrien Jacques Philippe Fabre , Alain Paul Madec
- Applicant: Daniel Bernard Dao , Adrien Jacques Philippe Fabre , Alain Paul Madec
- Applicant Address: FR Paris
- Assignee: SNECMA
- Current Assignee: SNECMA
- Current Assignee Address: FR Paris
- Agency: Oblon, Spivak, McClelland, Maier & Neustadt, L.L.P.
- Priority: FR0854912 20080718
- International Application: PCT/EP2009/059194 WO 20090716
- International Announcement: WO2010/007146 WO 20100121
- Main IPC: B64C11/06
- IPC: B64C11/06
Abstract:
This blade attachment device comprises a shell (28) installed around an outer collar (23) of the pivot (15) of the blade (27) and capable of rotating by an angle sufficient for cleats (30, 31) to close the ends of the pivot groove and retain the root of the blade (27) in it, and mobile shims that cooperate to retain the root in the groove.Application to aircraft engines.
Public/Granted literature
- US20110110781A1 DEVICE FOR FASTENING A VARIABLE PITCH BLADE Public/Granted day:2011-05-12
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