FR2780700B1 - Cavite cylindrique en spirale - Google Patents

Cavite cylindrique en spirale

Info

Publication number
FR2780700B1
FR2780700B1 FR9808472A FR9808472A FR2780700B1 FR 2780700 B1 FR2780700 B1 FR 2780700B1 FR 9808472 A FR9808472 A FR 9808472A FR 9808472 A FR9808472 A FR 9808472A FR 2780700 B1 FR2780700 B1 FR 2780700B1
Authority
FR
France
Prior art keywords
cylindrical spiral
spiral cavity
cavity
cylindrical
spiral
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.)
Expired - Fee Related
Application number
FR9808472A
Other languages
English (en)
Other versions
FR2780700A1 (fr
Inventor
Christian Hugues
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to FR9808472A priority Critical patent/FR2780700B1/fr
Priority to EP99929388A priority patent/EP1091870A1/fr
Priority to BR9912513-7A priority patent/BR9912513A/pt
Priority to CA002335929A priority patent/CA2335929A1/fr
Priority to PCT/FR1999/001603 priority patent/WO2000001580A1/fr
Priority to AU46216/99A priority patent/AU4621699A/en
Publication of FR2780700A1 publication Critical patent/FR2780700A1/fr
Application granted granted Critical
Publication of FR2780700B1 publication Critical patent/FR2780700B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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)
FR9808472A 1998-07-02 1998-07-02 Cavite cylindrique en spirale Expired - Fee Related FR2780700B1 (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
FR9808472A FR2780700B1 (fr) 1998-07-02 1998-07-02 Cavite cylindrique en spirale
EP99929388A EP1091870A1 (fr) 1998-07-02 1999-07-02 Bout d'aile cylindrique et en spirale
BR9912513-7A BR9912513A (pt) 1998-07-02 1999-07-02 Ponta de asa espiral e cilìndrica
CA002335929A CA2335929A1 (fr) 1998-07-02 1999-07-02 Bout d'aile cylindrique et en spirale
PCT/FR1999/001603 WO2000001580A1 (fr) 1998-07-02 1999-07-02 Bout d'aile cylindrique et en spirale
AU46216/99A AU4621699A (en) 1998-07-02 1999-07-02 Spiral cylindrical wing tip

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9808472A FR2780700B1 (fr) 1998-07-02 1998-07-02 Cavite cylindrique en spirale

Publications (2)

Publication Number Publication Date
FR2780700A1 FR2780700A1 (fr) 2000-01-07
FR2780700B1 true FR2780700B1 (fr) 2000-09-29

Family

ID=9528178

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9808472A Expired - Fee Related FR2780700B1 (fr) 1998-07-02 1998-07-02 Cavite cylindrique en spirale

Country Status (6)

Country Link
EP (1) EP1091870A1 (fr)
AU (1) AU4621699A (fr)
BR (1) BR9912513A (fr)
CA (1) CA2335929A1 (fr)
FR (1) FR2780700B1 (fr)
WO (1) WO2000001580A1 (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2823541B1 (fr) * 2001-04-11 2003-05-23 Christian Hugues Extremite d'aile cylindrique a fente helicoidale
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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR405177A (fr) * 1909-07-17 1909-12-22 Georges Barbaudy Dispositif pour sustenteur d'aviation
US2075817A (en) * 1934-08-17 1937-04-06 Arthur W Loerke Wing vortex reducer
FR57646E (fr) * 1947-08-08 1953-03-17 Perfectionnements apportés aux engins de navigation aérienne
US3596854A (en) * 1969-06-09 1971-08-03 William R Haney Jr Vortex generator for airfoil structures
DE3127257A1 (de) * 1981-07-10 1983-01-27 Vereinigte Flugtechnische Werke Gmbh, 2800 Bremen "verfahren zur verminderung des induzierten widestandes eines auftriebserzeugenden tragfluegels sowie vorrichtung zu seiner durchfuehrung"

Also Published As

Publication number Publication date
WO2000001580B1 (fr) 2000-03-16
CA2335929A1 (fr) 2000-01-13
EP1091870A1 (fr) 2001-04-18
WO2000001580A1 (fr) 2000-01-13
BR9912513A (pt) 2001-05-02
AU4621699A (en) 2000-01-24
FR2780700A1 (fr) 2000-01-07

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20130329

CA Change of address

Effective date: 20180629