BR8900885A - Pa aerofolica - Google Patents

Pa aerofolica

Info

Publication number
BR8900885A
BR8900885A BR898900885A BR8900885A BR8900885A BR 8900885 A BR8900885 A BR 8900885A BR 898900885 A BR898900885 A BR 898900885A BR 8900885 A BR8900885 A BR 8900885A BR 8900885 A BR8900885 A BR 8900885A
Authority
BR
Brazil
Prior art keywords
aerofolic
Prior art date
Application number
BR898900885A
Other languages
English (en)
Inventor
Harry Stephen Wainauski
Carol Marie Vaczy
Original Assignee
United Technologies Corp
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 United Technologies Corp filed Critical United Technologies Corp
Publication of BR8900885A publication Critical patent/BR8900885A/pt

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C27/00—Rotorcraft; Rotors peculiar thereto
    • B64C27/32—Rotors
    • B64C27/46—Blades
    • B64C27/467—Aerodynamic features
    • 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
    • B64C11/16—Blades
    • B64C11/18—Aerodynamic features
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S416/00—Fluid reaction surfaces, i.e. impellers
    • Y10S416/02—Formulas of curves

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Lubricants (AREA)
  • Toys (AREA)
  • Materials For Photolithography (AREA)
  • Enzymes And Modification Thereof (AREA)
BR898900885A 1988-02-29 1989-02-27 Pa aerofolica BR8900885A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/163,901 US4830574A (en) 1988-02-29 1988-02-29 Airfoiled blade

Publications (1)

Publication Number Publication Date
BR8900885A true BR8900885A (pt) 1989-10-17

Family

ID=22592090

Family Applications (1)

Application Number Title Priority Date Filing Date
BR898900885A BR8900885A (pt) 1988-02-29 1989-02-27 Pa aerofolica

Country Status (8)

Country Link
US (1) US4830574A (pt)
EP (1) EP0331603B1 (pt)
JP (1) JPH0211493A (pt)
CN (1) CN1017792B (pt)
BR (1) BR8900885A (pt)
CA (1) CA1320715C (pt)
DE (2) DE68915583T2 (pt)
ES (1) ES2010649T3 (pt)

Families Citing this family (45)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4941803A (en) * 1989-02-01 1990-07-17 United Technologies Corporation Airfoiled blade
US5433586A (en) * 1991-03-27 1995-07-18 Cessna Aircraft Company Tapered propeller blade design
US5209643A (en) * 1991-03-27 1993-05-11 The Cessna Aircraft Company Tapered propeller blade design
US5188508A (en) * 1991-05-09 1993-02-23 Comair Rotron, Inc. Compact fan and impeller
US5417548A (en) 1994-01-14 1995-05-23 Midwest Research Institute Root region airfoil for wind turbine
US5562420A (en) * 1994-03-14 1996-10-08 Midwest Research Institute Airfoils for wind turbine
US5791878A (en) * 1997-03-10 1998-08-11 United Technologies Corporation Airfoiled blade for cargo transport aircraft
FR2765187B1 (fr) * 1997-06-25 1999-08-27 Onera (Off Nat Aerospatiale) Profil de pale pour voilure tournante d'aeronef et pale pour voilure tournante presentant un tel profil
US5911559A (en) 1997-09-16 1999-06-15 United Technologies Corporation Airfoiled blade for a propeller
US6068446A (en) * 1997-11-20 2000-05-30 Midwest Research Institute Airfoils for wind turbine
JP3483447B2 (ja) * 1998-01-08 2004-01-06 松下電器産業株式会社 送風装置
US6565334B1 (en) 1998-07-20 2003-05-20 Phillip James Bradbury Axial flow fan having counter-rotating dual impeller blade arrangement
US6856941B2 (en) 1998-07-20 2005-02-15 Minebea Co., Ltd. Impeller blade for axial flow fan having counter-rotating impellers
US6129528A (en) * 1998-07-20 2000-10-10 Nmb Usa Inc. Axial flow fan having a compact circuit board and impeller blade arrangement
US6607164B2 (en) 2001-10-22 2003-08-19 Toyota Motor Sales, U.S.A., Inc. Wing airfoil
DE10206530A1 (de) * 2002-02-16 2003-08-28 Schottel Gmbh & Co Kg Antrieb für Wasserfahrzeuge
US7357624B2 (en) * 2002-06-05 2008-04-15 Aloys Wobben Rotor blade for a wind power plant
US6948910B2 (en) 2002-07-12 2005-09-27 Polacsek Ronald R Spiral-based axial flow devices
DE10319246A1 (de) * 2003-04-28 2004-12-16 Aloys Wobben Rotorblatt einer Windenergieanlage
ATE505750T1 (de) 2005-04-26 2011-04-15 Brother Ind Ltd Entwicklungskartusche für eine bilderzeugungsvorrichtung
GB0510417D0 (en) * 2005-05-21 2005-06-29 Rotech Holdings Ltd Improved turbine
DK1915514T4 (en) 2005-07-15 2019-02-11 Vestas Wind Sys As Wind turbine blade
US7547193B2 (en) 2005-07-22 2009-06-16 Sikorsky Aircraft Corporation Rotor blade assembly with high pitching moment airfoil section for a rotary wing aircraft
JP5067104B2 (ja) * 2007-10-03 2012-11-07 トヨタ自動車株式会社 車両下部構造
ES2330500B1 (es) * 2008-05-30 2010-09-13 GAMESA INNOVATION & TECHNOLOGY, S.L. UNIPERSONAL Pala de aerogenerador con elementos hipersustentadores.
US9340277B2 (en) * 2012-02-29 2016-05-17 General Electric Company Airfoils for use in rotary machines
CN103244359B (zh) * 2013-05-30 2016-04-13 国电联合动力技术有限公司 一种大型风机的中等厚度翼型叶片
CN103321857B (zh) * 2013-07-08 2015-05-06 国电联合动力技术有限公司 一种大型风机的大厚度钝尾缘翼型叶片
CN103482054B (zh) * 2013-08-14 2015-07-01 西北工业大学 一种匹配全翼太阳能无人机的低雷诺数翼型
CN104044729B (zh) * 2014-05-27 2016-04-06 北京航空航天大学 一种高高空螺旋桨装置
WO2016028134A1 (es) * 2014-08-21 2016-02-25 Narvaez Tijerina Juan Gerardo Perfiles aerodinámicos para vuelo acrobático
CN105564632A (zh) * 2014-10-11 2016-05-11 中国航空工业集团公司西安飞机设计研究所 一种高升力自然层流翼型
US9868525B2 (en) * 2015-09-25 2018-01-16 The Boeing Company Low speed airfoil design for aerodynamic improved performance of UAVs
CN106143850A (zh) * 2016-06-17 2016-11-23 中国舰船研究设计中心 螺旋桨桨叶剖面及其应用方法
US10358926B2 (en) 2017-08-11 2019-07-23 General Electric Company Low-noise airfoil for an open rotor
DE102017124861A1 (de) 2017-10-24 2019-04-25 Wobben Properties Gmbh Rotorblatt einer Windenergieanlage und Verfahren zu dessen Auslegung
CN207917131U (zh) * 2018-01-31 2018-09-28 深圳市大疆创新科技有限公司 螺旋桨、动力组件及飞行器
CN108583871A (zh) * 2018-06-25 2018-09-28 李竟儒 一种使直升飞机气流上升的旋翼
CN109110124A (zh) * 2018-09-03 2019-01-01 南京航空航天大学 一种新型旋翼桨叶
US11999466B2 (en) 2019-11-14 2024-06-04 Skydio, Inc. Ultra-wide-chord propeller
RU2752502C1 (ru) * 2020-12-18 2021-07-28 Акционерное общество "Национальный центр вертолетостроения им. М.Л. Миля и Н.И. Камова" (АО "НЦВ Миль и Камов") Аэродинамический профиль несущего элемента летательного аппарата
RU2762464C1 (ru) * 2021-05-14 2021-12-21 Акционерное общество "Национальный центр вертолетостроения им. М.Л. Миля и Н.И. Камова" (АО "НЦВ Миль и Камов") Аэродинамический профиль несущего элемента летательного аппарата
US11952912B2 (en) * 2022-08-24 2024-04-09 General Electric Company Turbine engine airfoil
US20240092481A1 (en) * 2022-09-16 2024-03-21 Hydronalix, Inc. Ceramic propeller
FR3148256B1 (fr) * 2023-04-28 2026-05-15 Safran Aircraft Engines Aube à calage variable de propulseur aéronautique non-caréné

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2709052A (en) * 1952-04-15 1955-05-24 Charles J Fletcher Spanwise flow control of fluid swept lifting surfaces
US4459083A (en) * 1979-03-06 1984-07-10 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Shapes for rotating airfoils
FR2463054A1 (fr) * 1979-08-10 1981-02-20 Aerospatiale Profil de pale pour voilure tournante d'aeronef
FR2490586A1 (fr) * 1980-09-24 1982-03-26 Aerospatiale Profil de pale pour voilure tournante d'aeronef
US4519746A (en) * 1981-07-24 1985-05-28 United Technologies Corporation Airfoil blade
US4412664A (en) * 1982-06-25 1983-11-01 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Family of airfoil shapes for rotating blades
EP0103478A1 (en) * 1982-09-13 1984-03-21 Ian James Gilchrist Airfoil
DE3310937C2 (de) * 1982-10-09 1984-10-31 Dornier Gmbh, 7990 Friedrichshafen Propellerblatt, insbesondere für den Vortrieb von Luftfahrzeugen
US4611773A (en) * 1982-12-30 1986-09-16 The Boeing Company Tapered thickness-chord ratio wing
US4569633A (en) * 1983-04-18 1986-02-11 United Technologies Corporation Airfoil section for a rotor blade of a rotorcraft
FR2590229B1 (fr) * 1985-11-19 1988-01-29 Onera (Off Nat Aerospatiale) Perfectionnements apportes aux helices aeriennes en ce qui concerne le profil de leurs pales

Also Published As

Publication number Publication date
CA1320715C (en) 1993-07-27
ES2010649A4 (es) 1989-12-01
DE68915583D1 (de) 1994-07-07
ES2010649T3 (es) 1994-08-16
EP0331603A2 (en) 1989-09-06
DE68915583T2 (de) 1994-09-22
CN1036536A (zh) 1989-10-25
US4830574A (en) 1989-05-16
CN1017792B (zh) 1992-08-12
EP0331603A3 (en) 1990-07-25
EP0331603B1 (en) 1994-06-01
DE331603T1 (de) 1990-02-08
JPH0211493A (ja) 1990-01-16

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Legal Events

Date Code Title Description
MM Lapse due to non-payment of fees (art. 50)