FR726674A - Perfectionnements aux surfaces portantes des appareils se mouvant dans un fluide - Google Patents

Perfectionnements aux surfaces portantes des appareils se mouvant dans un fluide

Info

Publication number
FR726674A
FR726674A FR726674DA FR726674A FR 726674 A FR726674 A FR 726674A FR 726674D A FR726674D A FR 726674DA FR 726674 A FR726674 A FR 726674A
Authority
FR
France
Prior art keywords
fluid
bearing surfaces
devices moving
moving
devices
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
Application number
Other languages
English (en)
Inventor
Francois Ballu
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 filed Critical
Application granted granted Critical
Publication of FR726674A publication Critical patent/FR726674A/fr
Expired 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C23/00—Influencing air flow over aircraft surfaces, not otherwise provided for
    • 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)
FR726674D 1931-11-24 1931-11-24 Perfectionnements aux surfaces portantes des appareils se mouvant dans un fluide Expired FR726674A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR726674T 1931-11-24
FR43032T 1932-10-15

Publications (1)

Publication Number Publication Date
FR726674A true FR726674A (fr) 1932-06-01

Family

ID=62222345

Family Applications (2)

Application Number Title Priority Date Filing Date
FR726674D Expired FR726674A (fr) 1931-11-24 1931-11-24 Perfectionnements aux surfaces portantes des appareils se mouvant dans un fluide
FR43032D Expired FR43032E (fr) 1931-11-24 1932-10-15 Perfectionnements aux surfaces portantes des appareils se mouvant dans un fluide

Family Applications After (1)

Application Number Title Priority Date Filing Date
FR43032D Expired FR43032E (fr) 1931-11-24 1932-10-15 Perfectionnements aux surfaces portantes des appareils se mouvant dans un fluide

Country Status (1)

Country Link
FR (2) FR726674A (fr)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5102068A (en) * 1991-02-25 1992-04-07 Gratzer Louis B Spiroid-tipped wing
US6260809B1 (en) 2000-04-05 2001-07-17 United Technologies Corporation Ovate loop for rotary-wing blades
US6474604B1 (en) * 1999-04-12 2002-11-05 Jerry E. Carlow Mobius-like joining structure for fluid dynamic foils
WO2003008267A1 (fr) * 2001-07-16 2003-01-30 United Technologies Corporation Extremite en boucle ovale pour pales de voilures tournantes
US8944386B2 (en) 2011-06-09 2015-02-03 Aviation Partners, Inc. Split blended winglet
US9033282B2 (en) 2010-07-14 2015-05-19 Airbus Operations Limited Wing tip device
US9302766B2 (en) 2008-06-20 2016-04-05 Aviation Partners, Inc. Split blended winglet
US9381999B2 (en) 2008-06-20 2016-07-05 C. R. Bard, Inc. Wing tip with optimum loading

Cited By (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5102068A (en) * 1991-02-25 1992-04-07 Gratzer Louis B Spiroid-tipped wing
US6474604B1 (en) * 1999-04-12 2002-11-05 Jerry E. Carlow Mobius-like joining structure for fluid dynamic foils
US6260809B1 (en) 2000-04-05 2001-07-17 United Technologies Corporation Ovate loop for rotary-wing blades
WO2003008267A1 (fr) * 2001-07-16 2003-01-30 United Technologies Corporation Extremite en boucle ovale pour pales de voilures tournantes
US10252793B2 (en) 2008-06-20 2019-04-09 Aviation Partners, Inc. Split blended winglet
US10005546B2 (en) 2008-06-20 2018-06-26 Aviation Partners, Inc. Split blended winglet
US10589846B2 (en) 2008-06-20 2020-03-17 Aviation Partners, Inc. Split blended winglet
US9381999B2 (en) 2008-06-20 2016-07-05 C. R. Bard, Inc. Wing tip with optimum loading
US9302766B2 (en) 2008-06-20 2016-04-05 Aviation Partners, Inc. Split blended winglet
US9199727B2 (en) 2010-07-14 2015-12-01 Airbus Operations Limited Wing tip device
US9193445B2 (en) 2010-07-14 2015-11-24 Airbus Operations Limited Wing tip device
US12515787B2 (en) 2010-07-14 2026-01-06 Airbus Operations Limited Wing tip device
US12234008B2 (en) 2010-07-14 2025-02-25 Airbus Operations Limited Wing tip device
US9033282B2 (en) 2010-07-14 2015-05-19 Airbus Operations Limited Wing tip device
US11851164B2 (en) 2010-07-14 2023-12-26 Airbus Operations Limited Wing tip device
US8944386B2 (en) 2011-06-09 2015-02-03 Aviation Partners, Inc. Split blended winglet
US10377472B2 (en) 2011-06-09 2019-08-13 Aviation Partners, Inc. Wing tip with winglet and ventral fin
US9038963B2 (en) 2011-06-09 2015-05-26 Aviation Partners, Inc. Split spiroid
US10787246B2 (en) 2011-06-09 2020-09-29 Aviation Partners, Inc. Wing tip with winglet and ventral fin
US10106247B2 (en) 2011-06-09 2018-10-23 Aviation Partners, Inc. Split blended winglet
US9580170B2 (en) 2011-06-09 2017-02-28 Aviation Partners, Inc. Split spiroid
US9434470B2 (en) 2011-06-09 2016-09-06 Aviation Partners, Inc. Split spiroid

Also Published As

Publication number Publication date
FR43032E (fr) 1934-01-25

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