WO2000001580B1 - Spiral cylindrical wing tip - Google Patents
Spiral cylindrical wing tipInfo
- Publication number
- WO2000001580B1 WO2000001580B1 PCT/FR1999/001603 FR9901603W WO0001580B1 WO 2000001580 B1 WO2000001580 B1 WO 2000001580B1 FR 9901603 W FR9901603 W FR 9901603W WO 0001580 B1 WO0001580 B1 WO 0001580B1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- wing
- towards
- spiral
- flow
- relative wind
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C23/00—Influencing air flow over aircraft surfaces, not otherwise provided for
- B64C23/06—Influencing air flow over aircraft surfaces, not otherwise provided for by generating vortices
- B64C23/065—Influencing air flow over aircraft surfaces, not otherwise provided for by generating vortices at the wing tips
-
- 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
- Y02T50/10—Drag reduction
Landscapes
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU46216/99A AU4621699A (en) | 1998-07-02 | 1999-07-02 | Spiral cylindrical wing tip |
CA002335929A CA2335929A1 (en) | 1998-07-02 | 1999-07-02 | Spiral cylindrical wing tip |
EP99929388A EP1091870A1 (en) | 1998-07-02 | 1999-07-02 | Spiral cylindrical wing tip |
BR9912513-7A BR9912513A (en) | 1998-07-02 | 1999-07-02 | Spiral and cylindrical wing tip |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9808472A FR2780700B1 (en) | 1998-07-02 | 1998-07-02 | CYLINDRICAL SPIRAL CAVITY |
FR98/08472 | 1998-07-02 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2000001580A1 WO2000001580A1 (en) | 2000-01-13 |
WO2000001580B1 true WO2000001580B1 (en) | 2000-03-16 |
Family
ID=9528178
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/FR1999/001603 WO2000001580A1 (en) | 1998-07-02 | 1999-07-02 | Spiral cylindrical wing tip |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP1091870A1 (en) |
AU (1) | AU4621699A (en) |
BR (1) | BR9912513A (en) |
CA (1) | CA2335929A1 (en) |
FR (1) | FR2780700B1 (en) |
WO (1) | WO2000001580A1 (en) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2823541B1 (en) * | 2001-04-11 | 2003-05-23 | Christian Hugues | CYLINDRICAL WING END WITH HELICOID SLOT |
US7270214B1 (en) | 2004-06-16 | 2007-09-18 | Westerngeco L.L.C. | Method and apparatus for reducing and extracting wing-tip vortex energy |
US7644892B1 (en) * | 2006-07-06 | 2010-01-12 | Alford Jr Lionel D | Blended winglet |
US7900876B2 (en) | 2007-08-09 | 2011-03-08 | The Boeing Company | Wingtip feathers, including forward swept feathers, and associated aircraft systems and methods |
US8128035B2 (en) * | 2008-04-15 | 2012-03-06 | The Boeing Company | Winglets with recessed surfaces, and associated systems and methods |
GB2468978B (en) * | 2010-04-27 | 2012-04-04 | Aerodynamic Res Innovation Holdings Ltd | Fluid flow control device for an aerofoil |
US8936219B2 (en) | 2012-03-30 | 2015-01-20 | The Boeing Company | Performance-enhancing winglet system and method |
US9511850B2 (en) | 2014-04-12 | 2016-12-06 | The Boeing Company | Wing tip device for an aircraft wing |
GB2573517B (en) * | 2018-05-06 | 2023-01-11 | Scott Ross Alexander | Sonic boom control and super sonic flight enhancement |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR405177A (en) * | 1909-07-17 | 1909-12-22 | Georges Barbaudy | Aircraft lifter device |
US2075817A (en) * | 1934-08-17 | 1937-04-06 | Arthur W Loerke | Wing vortex reducer |
FR57646E (en) * | 1947-08-08 | 1953-03-17 | Improvements to air navigation devices | |
US3596854A (en) * | 1969-06-09 | 1971-08-03 | William R Haney Jr | Vortex generator for airfoil structures |
DE3127257A1 (en) * | 1981-07-10 | 1983-01-27 | Vereinigte Flugtechnische Werke Gmbh, 2800 Bremen | Method for reducing the induced drag of a lift-generating wing and a device for carrying it out |
-
1998
- 1998-07-02 FR FR9808472A patent/FR2780700B1/en not_active Expired - Fee Related
-
1999
- 1999-07-02 AU AU46216/99A patent/AU4621699A/en not_active Abandoned
- 1999-07-02 CA CA002335929A patent/CA2335929A1/en not_active Abandoned
- 1999-07-02 EP EP99929388A patent/EP1091870A1/en not_active Withdrawn
- 1999-07-02 WO PCT/FR1999/001603 patent/WO2000001580A1/en not_active Application Discontinuation
- 1999-07-02 BR BR9912513-7A patent/BR9912513A/en unknown
Also Published As
Publication number | Publication date |
---|---|
AU4621699A (en) | 2000-01-24 |
BR9912513A (en) | 2001-05-02 |
FR2780700B1 (en) | 2000-09-29 |
WO2000001580A1 (en) | 2000-01-13 |
CA2335929A1 (en) | 2000-01-13 |
FR2780700A1 (en) | 2000-01-07 |
EP1091870A1 (en) | 2001-04-18 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CA2443940C (en) | Cylindrical wing tip with helical slot | |
CA2624005C (en) | Engine assembly for an aircraft comprising an engine as well as an engine mounting structure for such an engine | |
FR2697495A1 (en) | Aircraft turbine engine nacelle arrangement with laminar flow control. | |
EP3380399B1 (en) | Aircraft powered by a turbomachine provided with an acoustic baffle | |
FR2623469A1 (en) | AIRCRAFT POWERED BY MICROWAVE ENERGY | |
WO2000001580B1 (en) | Spiral cylindrical wing tip | |
FR3008383A1 (en) | AXIS (S) BLOWING SUSPENDING DEVICE, AND AERODYNE EQUIPPED WITH SUCH A DEVICE | |
EP2019776B1 (en) | Aircraft comprising a device for reducing the induced drag | |
EP2862804A1 (en) | Anti-icing device for aircraft blades | |
WO1984001338A1 (en) | Fast boat | |
FR2986210B1 (en) | SUSTENTATION DEVICE AND PROPULSION WITH SIDE PROTECTIONS, AND AERODYNE EQUIPPED WITH SUCH A DEVICE | |
EP0151591B1 (en) | Rigging particularly for sailing board | |
FR2807389A1 (en) | AIRCRAFT PROFILE SUSPENSION MAT | |
FR2837782A1 (en) | TRIMARAN TYPE HIGH SPEED SHIP HULL | |
FR2461642A1 (en) | Mast head rigging with additional sails - has aerofoil sections supported by cables and fitted with weather vane | |
FR3044292A1 (en) | AIRCRAFT AERODYNAMIC PROFILE ON OPEN ATTACK, MAT AND AIRCRAFT HAVING SUCH AERODYNAMIC PROFILE | |
FR2621551A1 (en) | High-speed catamaran | |
FR2931215A1 (en) | DEVICE FOR EXTREMTING WING, WHEEL BLADE OR HYDROLIAN TO DECREASE OR VOID THE MARGINAL TOURBILLONS DIT VORTEX | |
FR3058985B1 (en) | AIRCRAFT PART FOR ENTERING IN CONTACT WITH A AIR MASS LOCATED AROUND THE AIRCRAFT, AIRCRAFT AND ASSOCIATED METHOD | |
EP3455113B1 (en) | Vehicle supported by air | |
FR2707588A1 (en) | Aquatic "glider" which includes a float | |
FR2794718A1 (en) | Aircraft fuselage, wing and fin design uses shapes to trap and annexe volumes of air to enhance performance | |
FR2594497A1 (en) | Device for compensating for the drag of a vehicle | |
FR2555957A1 (en) | Profiled and orientable sails, similar to a homogeneous wing | |
WO2014198630A1 (en) | Variable lift airship and method for controlling such a variable lift airship |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AK | Designated states |
Kind code of ref document: A1 Designated state(s): AE AL AM AT AU AZ BA BB BG BR BY CA CH CN CU CZ DE DK EE ES FI GB GD GE GH GM HR HU ID IL IN IS JP KE KG KP KR KZ LC LK LR LS LT LU LV MD MG MK MN MW MX NO NZ PL PT RO RU SD SE SG SI SK SL TJ TM TR TT UA UG US UZ VN YU ZA ZW |
|
AL | Designated countries for regional patents |
Kind code of ref document: A1 Designated state(s): GH GM KE LS MW SD SL SZ UG ZW AM AZ BY KG KZ MD RU TJ TM AT BE CH CY DE DK ES FI FR GB GR IE IT LU MC NL PT SE BF BJ CF CG CI CM GA GN GW ML MR NE SN TD TG |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
AK | Designated states |
Kind code of ref document: B1 Designated state(s): AE AL AM AT AU AZ BA BB BG BR BY CA CH CN CU CZ DE DK EE ES FI GB GD GE GH GM HR HU ID IL IN IS JP KE KG KP KR KZ LC LK LR LS LT LU LV MD MG MK MN MW MX NO NZ PL PT RO RU SD SE SG SI SK SL TJ TM TR TT UA UG US UZ VN YU ZA ZW |
|
AL | Designated countries for regional patents |
Kind code of ref document: B1 Designated state(s): GH GM KE LS MW SD SL SZ UG ZW AM AZ BY KG KZ MD RU TJ TM AT BE CH CY DE DK ES FI FR GB GR IE IT LU MC NL PT SE BF BJ CF CG CI CM GA GN GW ML MR NE SN TD TG |
|
DFPE | Request for preliminary examination filed prior to expiration of 19th month from priority date (pct application filed before 20040101) | ||
ENP | Entry into the national phase |
Ref document number: 2335929 Country of ref document: CA |
|
WWE | Wipo information: entry into national phase |
Ref document number: 09720876 Country of ref document: US |
|
WWE | Wipo information: entry into national phase |
Ref document number: 1999929388 Country of ref document: EP |
|
WWP | Wipo information: published in national office |
Ref document number: 1999929388 Country of ref document: EP |
|
REG | Reference to national code |
Ref country code: DE Ref legal event code: 8642 |
|
WWW | Wipo information: withdrawn in national office |
Ref document number: 1999929388 Country of ref document: EP |