Invention Grant
US09593582B2 Propulsion device having unducted counter-rotating and coaxial rotors
有权
推进装置具有不引起的反转和同轴转子
- Patent Title: Propulsion device having unducted counter-rotating and coaxial rotors
- Patent Title (中): 推进装置具有不引起的反转和同轴转子
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Application No.: US14111940Application Date: 2012-04-13
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Publication No.: US09593582B2Publication Date: 2017-03-14
- Inventor: Clement Marcel Maurice Dejeu , Sebastien Pascal , Jerome Talbotec , Michael Leborgne , Ingrid Irene Catherine Lepot
- Applicant: Clement Marcel Maurice Dejeu , Sebastien Pascal , Jerome Talbotec , Michael Leborgne , Ingrid Irene Catherine Lepot
- Applicant Address: FR Paris BE Gosselies
- Assignee: SNECMA,CENAERO
- Current Assignee: SNECMA,CENAERO
- Current Assignee Address: FR Paris BE Gosselies
- Agency: Oblon, McClelland, Maier & Neustadt, L.L.P.
- Priority: FR1153315 20110415
- International Application: PCT/FR2012/050825 WO 20120413
- International Announcement: WO2012/140385 WO 20121018
- Main IPC: B64C11/18
- IPC: B64C11/18 ; F01D5/14 ; B64C11/48 ; F02C3/067 ; F02C3/10 ; B64D27/00
Abstract:
A propulsion device including an unducted upstream propeller and a counter-rotating and coaxial downstream propeller. At least one blade of the upstream propeller is configured to generate a corotating secondary vortex for acting upstream of the downstream propeller to destabilize a blade tip vortex of the same at least one blade.
Public/Granted literature
- US20140133982A1 PROPULSION DEVICE HAVING UNDUCTED COUNTER-ROTATING AND COAXIAL ROTORS Public/Granted day:2014-05-15
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