FR3027947B1 - Anneau d'helice comprenant des logements radiaux de section ovoide - Google Patents
Anneau d'helice comprenant des logements radiaux de section ovoide Download PDFInfo
- Publication number
- FR3027947B1 FR3027947B1 FR1460504A FR1460504A FR3027947B1 FR 3027947 B1 FR3027947 B1 FR 3027947B1 FR 1460504 A FR1460504 A FR 1460504A FR 1460504 A FR1460504 A FR 1460504A FR 3027947 B1 FR3027947 B1 FR 3027947B1
- Authority
- FR
- France
- Prior art keywords
- propeller ring
- radial housings
- ring including
- ovoid section
- including radial
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C11/00—Propellers, e.g. of ducted type; Features common to propellers and rotors for rotorcraft
- B64C11/02—Hub construction
- B64C11/04—Blade mountings
- B64C11/06—Blade mountings for variable-pitch blades
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C11/00—Propellers, e.g. of ducted type; Features common to propellers and rotors for rotorcraft
- B64C11/46—Arrangements of, or constructional features peculiar to, multiple propellers
- B64C11/48—Units of two or more coaxial propellers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D27/00—Arrangement or mounting of power plants in aircraft; Aircraft characterised by the type or position of power plants
- B64D27/02—Aircraft characterised by the type or position of power plants
- B64D27/10—Aircraft characterised by the type or position of power plants of gas-turbine type
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D27/00—Arrangement or mounting of power plants in aircraft; Aircraft characterised by the type or position of power plants
- B64D2027/005—Aircraft with an unducted turbofan comprising contra-rotating rotors, e.g. contra-rotating open rotors [CROR]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T50/00—Aeronautics or air transport
- Y02T50/60—Efficient propulsion technologies, e.g. for aircraft
Landscapes
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Rolling Contact Bearings (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Abstract
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1460504A FR3027947B1 (fr) | 2014-10-31 | 2014-10-31 | Anneau d'helice comprenant des logements radiaux de section ovoide |
GB1708353.6A GB2547169B (en) | 2014-10-31 | 2015-10-30 | Propeller ring comprising radial housings with an ovoid cross-section |
PCT/FR2015/052939 WO2016066977A1 (fr) | 2014-10-31 | 2015-10-30 | Anneau d'hélice comprenant des logements radiaux de section ovoïde |
US15/523,295 US10526067B2 (en) | 2014-10-31 | 2015-10-30 | Propeller ring comprising radial housings with an ovoid cross-section |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1460504A FR3027947B1 (fr) | 2014-10-31 | 2014-10-31 | Anneau d'helice comprenant des logements radiaux de section ovoide |
Publications (2)
Publication Number | Publication Date |
---|---|
FR3027947A1 FR3027947A1 (fr) | 2016-05-06 |
FR3027947B1 true FR3027947B1 (fr) | 2021-05-14 |
Family
ID=52130459
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1460504A Active FR3027947B1 (fr) | 2014-10-31 | 2014-10-31 | Anneau d'helice comprenant des logements radiaux de section ovoide |
Country Status (4)
Country | Link |
---|---|
US (1) | US10526067B2 (fr) |
FR (1) | FR3027947B1 (fr) |
GB (1) | GB2547169B (fr) |
WO (1) | WO2016066977A1 (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111361732A (zh) * | 2020-05-07 | 2020-07-03 | 天峋创新(北京)科技有限公司 | 一种无人直升机的主桨毂整体设计 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4046434A (en) * | 1975-07-14 | 1977-09-06 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Deformable bearing seat |
US5154372A (en) * | 1990-07-23 | 1992-10-13 | General Electric Company | Torque multiplier for aircraft propeller |
FR2947590B1 (fr) * | 2009-07-02 | 2011-07-15 | Snecma | Moyeu d'helice |
FR2953487B1 (fr) * | 2009-12-07 | 2011-11-18 | Snecma | Moyeu d'helice a anneau polygonal renforce et turbomachine equipee d'un tel moyeu. |
EP2535519A3 (fr) * | 2011-06-14 | 2014-11-12 | Rolls-Royce plc | Dispositif de retenue pour pale rotative |
GB201118386D0 (en) * | 2011-10-25 | 2011-12-07 | Rolls Royce Plc | A support ring for a rotary assembly |
FR2992677B1 (fr) * | 2012-07-02 | 2016-03-18 | Snecma | Moyeu pour logement radial d'anneau d'helice de turbomachine a pales a calage variable et assemblage comportant un tel moyeu |
FR3050719B1 (fr) * | 2016-04-28 | 2018-04-13 | Airbus Operations | Helice pour turbomachine d'aeronef comprenant des moyens de secours de calage en incidence de pale |
-
2014
- 2014-10-31 FR FR1460504A patent/FR3027947B1/fr active Active
-
2015
- 2015-10-30 WO PCT/FR2015/052939 patent/WO2016066977A1/fr active Application Filing
- 2015-10-30 US US15/523,295 patent/US10526067B2/en active Active
- 2015-10-30 GB GB1708353.6A patent/GB2547169B/en active Active
Also Published As
Publication number | Publication date |
---|---|
GB201708353D0 (en) | 2017-07-12 |
WO2016066977A1 (fr) | 2016-05-06 |
GB2547169B (en) | 2020-07-29 |
GB2547169A (en) | 2017-08-09 |
US10526067B2 (en) | 2020-01-07 |
FR3027947A1 (fr) | 2016-05-06 |
US20170313403A1 (en) | 2017-11-02 |
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Legal Events
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PLFP | Fee payment |
Year of fee payment: 2 |
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Effective date: 20160506 |
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CD | Change of name or company name |
Owner name: SNECMA, FR Effective date: 20170713 |
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