PL2878531T3 - Górna owiewka wiropłatu zawierająca profil ścięty w kształcie kropli wody mający zgrubienie o nierównej powierzchni - Google Patents

Górna owiewka wiropłatu zawierająca profil ścięty w kształcie kropli wody mający zgrubienie o nierównej powierzchni

Info

Publication number
PL2878531T3
PL2878531T3 PL14003657.5T PL14003657T PL2878531T3 PL 2878531 T3 PL2878531 T3 PL 2878531T3 PL 14003657 T PL14003657 T PL 14003657T PL 2878531 T3 PL2878531 T3 PL 2878531T3
Authority
PL
Poland
Prior art keywords
rotorcraft
boss
top fairing
disrupted surface
teardrop profile
Prior art date
Application number
PL14003657.5T
Other languages
English (en)
Inventor
David Alfano
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
Publication of PL2878531T3 publication Critical patent/PL2878531T3/pl

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C7/00—Structures or fairings not otherwise provided for
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C21/00—Influencing air flow over aircraft surfaces by affecting boundary layer flow
    • B64C21/10—Influencing air flow over aircraft surfaces by affecting boundary layer flow using other surface properties, e.g. roughness
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C27/00—Rotorcraft; Rotors peculiar thereto
    • B64C27/04—Helicopters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
    • B64U10/00—Type of UAV
    • B64U10/10—Rotorcrafts

Landscapes

  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Remote Sensing (AREA)
  • Laminated Bodies (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Wind Motors (AREA)
  • Professional, Industrial, Or Sporting Protective Garments (AREA)
PL14003657.5T 2013-11-27 2014-10-29 Górna owiewka wiropłatu zawierająca profil ścięty w kształcie kropli wody mający zgrubienie o nierównej powierzchni PL2878531T3 (pl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1302743A FR3013677B1 (fr) 2013-11-27 2013-11-27 Carenage de sommet d'un giravion comportant un profil en goutte d'eau tronque dote d'un bossage a surface perturbee

Publications (1)

Publication Number Publication Date
PL2878531T3 true PL2878531T3 (pl) 2016-12-30

Family

ID=50159232

Family Applications (1)

Application Number Title Priority Date Filing Date
PL14003657.5T PL2878531T3 (pl) 2013-11-27 2014-10-29 Górna owiewka wiropłatu zawierająca profil ścięty w kształcie kropli wody mający zgrubienie o nierównej powierzchni

Country Status (6)

Country Link
US (1) US9694899B2 (pl)
EP (1) EP2878531B1 (pl)
KR (1) KR101731002B1 (pl)
CN (1) CN104670505B (pl)
FR (1) FR3013677B1 (pl)
PL (1) PL2878531T3 (pl)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150048212A1 (en) * 2013-08-19 2015-02-19 The Boeing Company Unsteady aerodynamics mitigation for multi-body aerospace apparatus
EP3141473B1 (en) * 2015-09-11 2020-04-15 Sikorsky Aircraft Corporation Drag reduction of high speed aircraft with a coaxial-rotor system
US10220939B2 (en) * 2015-12-18 2019-03-05 Sikorsky Aircraft Corporation Active airflow system and method of reducing drag for aircraft
US10232929B2 (en) * 2015-12-18 2019-03-19 Sikorsky Aircraft Corporation Plate member for reducing drag on a fairing of an aircraft
US20170174326A1 (en) * 2015-12-18 2017-06-22 Sikorsky Aircraft Corporation Vortex generators and method of creating vortices on an aircraft
US10604246B2 (en) 2016-01-21 2020-03-31 Sikorsky Aircraft Corporation Rotorcraft rotor assemblies
DE102019210007A1 (de) * 2019-07-08 2021-01-14 Volkswagen Aktiengesellschaft Vertikal start- und landefähiges Flugobjekt und Mantelkörper

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2755038A (en) 1952-10-21 1956-07-17 United Aircraft Corp Helicopter-airplane with engines mounted on fixed wings
DE1114394B (de) * 1956-12-31 1961-09-28 United Aircraft Corp Widerstandsarmer Verkleidungskoerper fuer die Rotorwelle bzw. das Getriebe zwischen einem Hubschrauberrumpf und dem Rotorkopf
US3331444A (en) * 1966-12-28 1967-07-18 Piasecki Aircraft Corp Fairing assembly
US3741285A (en) * 1968-07-09 1973-06-26 A Kuethe Boundary layer control of flow separation and heat exchange
IT8553439V0 (it) * 1985-05-30 1985-05-30 Agusta Aeronaut Costr Elicottero
US20050151001A1 (en) * 2003-07-02 2005-07-14 Loper Arthur W. Compound helicopter
US7229251B2 (en) 2005-05-31 2007-06-12 Sikorsky Aircraft Corporation Rotor hub fairing system for a counter-rotating, coaxial rotor system
EP2238018A2 (en) 2008-01-02 2010-10-13 Sikorsky Aircraft Corporation Planetary de-rotation system for a shaft fairing system
KR101016010B1 (ko) 2009-04-08 2011-02-23 건국대학교 산학협력단 회전익-와류-상호작용 소음 저감을 위한 가변돌기를 가진 회전익항공기용 회전익
US8403255B2 (en) * 2009-08-14 2013-03-26 Frederick W. Piasecki Compound aircraft with autorotation
US8950700B2 (en) * 2010-11-02 2015-02-10 Groen Brothers Aviation, Inc. Rotor driven auxiliary power apparatus and method
FR2968272B1 (fr) 2010-12-06 2013-07-12 Eurocopter France Element de structure ameliore d'un giravion pour diminuer la trainee aerodynamique.
CN102642613B (zh) 2012-05-11 2014-12-10 中国航空工业集团公司西安飞机设计研究所 波纹套低阻整流罩

Also Published As

Publication number Publication date
FR3013677B1 (fr) 2015-12-04
US9694899B2 (en) 2017-07-04
CN104670505B (zh) 2016-08-24
CN104670505A (zh) 2015-06-03
FR3013677A1 (fr) 2015-05-29
EP2878531A1 (fr) 2015-06-03
EP2878531B1 (fr) 2016-06-08
KR101731002B1 (ko) 2017-04-27
US20150147177A1 (en) 2015-05-28
KR20150061581A (ko) 2015-06-04

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