DE3226968C2 - - Google Patents
Info
- Publication number
- DE3226968C2 DE3226968C2 DE3226968A DE3226968A DE3226968C2 DE 3226968 C2 DE3226968 C2 DE 3226968C2 DE 3226968 A DE3226968 A DE 3226968A DE 3226968 A DE3226968 A DE 3226968A DE 3226968 C2 DE3226968 C2 DE 3226968C2
- Authority
- DE
- Germany
- Prior art keywords
- airfoil
- profile
- thickness
- chord
- heights
- 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
Links
- UJCHIZDEQZMODR-BYPYZUCNSA-N (2r)-2-acetamido-3-sulfanylpropanamide Chemical class CC(=O)N[C@@H](CS)C(N)=O UJCHIZDEQZMODR-BYPYZUCNSA-N 0.000 description 14
- 238000010586 diagram Methods 0.000 description 9
- 238000000926 separation method Methods 0.000 description 7
- 238000012360 testing method Methods 0.000 description 7
- 230000035939 shock Effects 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000011084 recovery Methods 0.000 description 4
- 230000008719 thickening Effects 0.000 description 3
- 241001669680 Dormitator maculatus Species 0.000 description 2
- 230000009194 climbing Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000007639 printing Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000003466 anti-cipated effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
- F01D5/12—Blades
- F01D5/14—Form or construction
- F01D5/141—Shape, i.e. outer, aerodynamic form
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2240/00—Components
- F05D2240/20—Rotors
- F05D2240/30—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor
- F05D2240/301—Cross-sectional characteristics
-
- 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
- Y02T50/60—Efficient propulsion technologies, e.g. for aircraft
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Paints Or Removers (AREA)
- Materials For Photolithography (AREA)
- Saccharide Compounds (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/286,484 US4519746A (en) | 1981-07-24 | 1981-07-24 | Airfoil blade |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3226968A1 DE3226968A1 (de) | 1983-02-10 |
DE3226968C2 true DE3226968C2 (US20050075337A1-20050407-C00081.png) | 1993-04-01 |
Family
ID=23098807
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19823226968 Granted DE3226968A1 (de) | 1981-07-24 | 1982-07-19 | Fluegelprofilblatt |
Country Status (10)
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE202014101384U1 (de) | 2013-04-10 | 2014-03-28 | SpinBlades GmbH | Hubschrauberrotorblatt |
Families Citing this family (74)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0103478A1 (en) * | 1982-09-13 | 1984-03-21 | Ian James Gilchrist | Airfoil |
CA1262409A (en) * | 1985-05-01 | 1989-10-24 | Kenneth Odell Johnson | Counter rotation power turbine |
GB8521085D0 (en) * | 1985-08-22 | 1985-09-25 | Walker J G | Aerofoil |
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 |
CA1320713C (en) * | 1987-09-03 | 1993-07-27 | Harry Stephen Wainauski | Airfoiled blade |
US4834617A (en) * | 1987-09-03 | 1989-05-30 | United Technologies Corporation | Airfoiled blade |
FR2626841B1 (fr) * | 1988-02-05 | 1995-07-28 | Onera (Off Nat Aerospatiale) | Profils pour pale d'helice aerienne carenee |
US4830574A (en) * | 1988-02-29 | 1989-05-16 | United Technologies Corporation | Airfoiled blade |
DE3811616C1 (US20050075337A1-20050407-C00081.png) * | 1988-04-07 | 1989-07-27 | Messerschmitt-Boelkow-Blohm Gmbh, 8012 Ottobrunn, De | |
US4941803A (en) * | 1989-02-01 | 1990-07-17 | United Technologies Corporation | Airfoiled blade |
JPH05507781A (ja) * | 1990-06-19 | 1993-11-04 | ビジョン システムズ リミティド | ガス状流体アスピレータまたはポンプ |
US5090636A (en) * | 1991-01-23 | 1992-02-25 | Sadowski James M | Aircraft |
US5433586A (en) * | 1991-03-27 | 1995-07-18 | Cessna Aircraft Company | Tapered propeller blade design |
US5368440A (en) * | 1993-03-11 | 1994-11-29 | Concepts Eti, Inc. | Radial turbo machine |
US5730580A (en) * | 1995-03-24 | 1998-03-24 | Concepts Eti, Inc. | Turbomachines having rogue vanes |
US5791878A (en) * | 1997-03-10 | 1998-08-11 | United Technologies Corporation | Airfoiled blade for cargo transport aircraft |
US5911559A (en) * | 1997-09-16 | 1999-06-15 | United Technologies Corporation | Airfoiled blade for a propeller |
JP3051366B2 (ja) * | 1997-10-23 | 2000-06-12 | 株式会社コミュータヘリコプタ先進技術研究所 | ヘリコプタブレード用翼型 |
US6503058B1 (en) * | 2000-05-01 | 2003-01-07 | Zond Energy Systems, Inc. | Air foil configuration for wind turbine |
KR20020045759A (ko) * | 2000-12-11 | 2002-06-20 | 김형벽ㅂ | 고효율 프로펠러 |
DE10212467A1 (de) * | 2002-03-20 | 2003-10-09 | Edzard Hafner | Windkraftanlage und deren Teile |
BR0311208B1 (pt) * | 2002-06-05 | 2012-06-26 | lámina de rotor de uma instalação de energia eólica, e, instalação de energia eólica. | |
FR2845427B1 (fr) * | 2002-10-02 | 2005-05-06 | Alstom Switzerland Ltd | Roue de type francis et turbine hydraulique equipee d'une telle roue |
FR2853622B1 (fr) * | 2003-04-14 | 2005-05-27 | Eurocopter France | Volet rotatif et element sustentateur, en particulier pale d'helicoptere, muni d'un tel volet rotatif |
DE10319246A1 (de) * | 2003-04-28 | 2004-12-16 | Aloys Wobben | Rotorblatt einer Windenergieanlage |
US6840741B1 (en) * | 2003-10-14 | 2005-01-11 | Sikorsky Aircraft Corporation | Leading edge slat airfoil for multi-element rotor blade airfoils |
US8002604B2 (en) | 2006-01-19 | 2011-08-23 | Silverlit Limited | Remote controlled toy helicopter |
US7883392B2 (en) | 2008-08-04 | 2011-02-08 | Silverlit Toys Manufactory Ltd. | Toy helicopter |
US20070181742A1 (en) * | 2006-01-19 | 2007-08-09 | Silverlit Toys Manufactory, Ltd. | Flying object with tandem rotors |
US7662013B2 (en) * | 2006-01-19 | 2010-02-16 | Silverlit Toys Manufactory Ltd. | Helicopter with horizontal control |
US7815482B2 (en) * | 2006-01-19 | 2010-10-19 | Silverlit Toys Manufactory, Ltd. | Helicopter |
US8357023B2 (en) | 2006-01-19 | 2013-01-22 | Silverlit Limited | Helicopter |
BE1016960A3 (nl) | 2006-01-19 | 2007-11-06 | Rostyne Alexander Jozef Magdal | Verbeterde helikopter. |
DE102006019946B4 (de) * | 2006-04-28 | 2016-12-22 | Honda Motor Co., Ltd. | Flügelprofil für einen Axialströmungskompressor, das die Verluste im Bereich niedriger Reynolds-Zahlen verringern kann |
CN100400375C (zh) * | 2006-04-29 | 2008-07-09 | 沈阳航空工业学院 | 钝尾缘翼型 |
US8733549B2 (en) | 2007-11-13 | 2014-05-27 | General Electric Company | System for containing and/or transporting wind turbine components |
US8425191B2 (en) * | 2008-05-30 | 2013-04-23 | United Technologies Corporation | Propfan assembly |
DE102008052858B9 (de) * | 2008-10-23 | 2014-06-12 | Senvion Se | Profil eines Rotorblatts und Rotorblatt einer Windenergieanlage |
US8052500B2 (en) | 2008-11-25 | 2011-11-08 | Silverlit Limited | Helicopter with main and auxiliary rotors |
US9593665B2 (en) | 2009-10-02 | 2017-03-14 | Jose Ramon Santana | Hydro-kinetic transport wheel |
US20110080002A1 (en) * | 2009-10-02 | 2011-04-07 | Jose Ramon Santana | Controlled momentum hydro-electric system |
US8393872B2 (en) * | 2009-10-23 | 2013-03-12 | General Electric Company | Turbine airfoil |
JP5433554B2 (ja) * | 2010-10-22 | 2014-03-05 | 三菱重工業株式会社 | 風車翼およびこれを備えた風力発電装置ならびに風車翼の設計方法 |
JP5675270B2 (ja) * | 2010-10-22 | 2015-02-25 | 三菱重工業株式会社 | 風車翼およびこれを備えた風力発電装置ならびに風車翼の設計方法 |
EP2631474B1 (en) * | 2010-10-22 | 2016-12-21 | Mitsubishi Heavy Industries, Ltd. | Wind turbine blade, wind power generation system including the same, and method for designing wind turbine blade |
JP5433553B2 (ja) * | 2010-10-22 | 2014-03-05 | 三菱重工業株式会社 | 風車翼およびこれを備えた風力発電装置ならびに風車翼の設計方法 |
JP5574914B2 (ja) * | 2010-10-22 | 2014-08-20 | 三菱重工業株式会社 | 風車翼およびこれを備えた風力発電装置ならびに風車翼の設計方法 |
JP5574915B2 (ja) * | 2010-10-22 | 2014-08-20 | 三菱重工業株式会社 | 風車翼およびこれを備えた風力発電装置ならびに風車翼の設計方法 |
DE102013006203B4 (de) | 2012-04-30 | 2024-10-10 | HKB Turbinen GmbH & Co. KG | Rotorblatt für eine Windkraftanlage |
DE102013008145A1 (de) * | 2013-05-14 | 2014-11-20 | Man Diesel & Turbo Se | Laufschaufel für einen Verdichter und Verdichter mit einer solchen Laufschaufel |
EP2927427A1 (de) * | 2014-04-04 | 2015-10-07 | MTU Aero Engines GmbH | Gasturbinenschaufel |
US10850827B2 (en) * | 2014-08-21 | 2020-12-01 | Juan Gerardo Narvaez Tijerina | Airfoils for stunt flights |
RU2594321C1 (ru) * | 2015-05-20 | 2016-08-10 | Виктор Антонович Золотухин | Аэродинамический профиль несущей поверхности летательного аппарата |
RU170363U1 (ru) * | 2015-12-29 | 2017-04-24 | Николай Александрович Шохин | Аэромеханический воздушный винт |
CN205524940U (zh) * | 2016-02-29 | 2016-08-31 | 深圳市大疆创新科技有限公司 | 螺旋桨、动力组件及飞行器 |
US10538306B2 (en) | 2016-12-21 | 2020-01-21 | The Boeing Company | Wing flap deflection control removal |
DE102017124861A1 (de) | 2017-10-24 | 2019-04-25 | Wobben Properties Gmbh | Rotorblatt einer Windenergieanlage und Verfahren zu dessen Auslegung |
US11040767B2 (en) * | 2017-11-30 | 2021-06-22 | General Electric Company | Systems and methods for improved propeller design |
FR3077803B1 (fr) * | 2018-02-15 | 2020-07-31 | Airbus Helicopters | Methode d'amelioration d'une pale afin d'augmenter son incidence negative de decrochage |
JP7093467B2 (ja) | 2018-05-10 | 2022-06-29 | ジョビー エアロ,インコーポレイテッド | 電気チルトロータ航空機 |
EP3802322A4 (en) | 2018-05-31 | 2022-02-23 | Joby Aero, Inc. | POWER SYSTEM ARCHITECTURE AND FAULT TOLERANT VTOL AIRPLANE WITH IT |
US12006048B2 (en) | 2018-05-31 | 2024-06-11 | Joby Aero, Inc. | Electric power system architecture and fault tolerant VTOL aircraft using same |
US10843807B2 (en) | 2018-06-01 | 2020-11-24 | Joby Aero, Inc. | System and method for aircraft noise mitigation |
US10710741B2 (en) | 2018-07-02 | 2020-07-14 | Joby Aero, Inc. | System and method for airspeed determination |
US11323214B2 (en) | 2018-09-17 | 2022-05-03 | Joby Aero, Inc. | Aircraft control system |
JP7401545B2 (ja) | 2018-12-07 | 2023-12-19 | ジョビー エアロ インク | 回転翼とその設計方法 |
AU2019433213A1 (en) | 2018-12-07 | 2021-07-22 | Joby Aero, Inc. | Aircraft control system and method |
US10845823B2 (en) | 2018-12-19 | 2020-11-24 | Joby Aero, Inc. | Vehicle navigation system |
US11230384B2 (en) | 2019-04-23 | 2022-01-25 | Joby Aero, Inc. | Vehicle cabin thermal management system and method |
WO2020219747A2 (en) | 2019-04-23 | 2020-10-29 | Joby Aero, Inc. | Battery thermal management system and method |
EP3959127A4 (en) | 2019-04-25 | 2023-01-11 | Joby Aero, Inc. | VTOL AIRCRAFT |
CN110705126A (zh) * | 2019-10-24 | 2020-01-17 | 南京航空航天大学 | 一种直升机旋翼翼型确定方法及系统 |
US11673649B2 (en) | 2020-06-05 | 2023-06-13 | Joby Aero, Inc. | Aircraft control system and method |
CN115593612B (zh) * | 2022-12-15 | 2023-04-25 | 中国空气动力研究与发展中心空天技术研究所 | 一种自配平抗失速高性能翼型 |
Family Cites Families (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR608189A (fr) * | 1925-09-14 | 1926-07-22 | Nieuport Astra | Hélice métallique et son procédé de fabrication |
US2041849A (en) * | 1932-07-01 | 1936-05-26 | Ernest G Mccauley | Propeller |
GB459096A (en) * | 1936-04-06 | 1937-01-01 | Ernest Gilbert Mccauley | Improvements in or relating to screw propellers |
GB647159A (en) * | 1946-09-16 | 1950-12-06 | Maurice Adolph Garbell | Improvements in or relating to a lifting surface and method of designing same |
US2709052A (en) * | 1952-04-15 | 1955-05-24 | Charles J Fletcher | Spanwise flow control of fluid swept lifting surfaces |
US3494424A (en) * | 1967-12-11 | 1970-02-10 | Autogiro Co Of America | Aircraft sustaining rotor system and rotor blade therefor |
US3706430A (en) * | 1970-03-17 | 1972-12-19 | Richard L Kline | Airfoil for aircraft |
US3625459A (en) * | 1970-05-18 | 1971-12-07 | Walter C Brown | Airfoil design |
US3854845A (en) * | 1971-07-02 | 1974-12-17 | De Water F Van | Propeller having angularly disposed tip |
US3952971A (en) * | 1971-11-09 | 1976-04-27 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Airfoil shape for flight at subsonic speeds |
GB1383070A (en) * | 1971-12-13 | 1975-02-05 | Boeing Co | Hydrodynamic sections |
US3890062A (en) * | 1972-06-28 | 1975-06-17 | Us Energy | Blade transition for axial-flow compressors and the like |
US3915106A (en) * | 1973-07-02 | 1975-10-28 | Supramar Ag | Hydrofoil with lift control by airfreed for watercraft |
GB1554713A (en) * | 1975-03-04 | 1979-10-24 | Secr Defence | Wings |
FR2313114A1 (fr) * | 1975-06-04 | 1976-12-31 | Procedes Sem | Nouveaux perfectionnements aux helices pour melangeurs |
GB1553816A (en) * | 1975-06-12 | 1979-10-10 | Secr Defence | Wings |
US4046489A (en) * | 1975-10-08 | 1977-09-06 | Eagle Motive Industries, Inc. | Aerodynamic fan blade |
US4063852A (en) * | 1976-01-28 | 1977-12-20 | Torin Corporation | Axial flow impeller with improved blade shape |
US4120609A (en) * | 1976-06-14 | 1978-10-17 | Wallace Murray Corporation | Sheet metal fan |
US4050651A (en) * | 1976-06-24 | 1977-09-27 | The Gates Rubber Company | Wing and reduced airspeed system for jet aircraft |
US4123198A (en) * | 1977-03-28 | 1978-10-31 | Harbord Horace R | Propeller |
GB2016397B (en) * | 1978-02-02 | 1982-03-24 | Aerospatiale | Aerofoil |
US4240597A (en) * | 1978-08-28 | 1980-12-23 | Gates Learjet Corporation | Wing with improved leading edge for aircraft |
US4314795A (en) * | 1979-09-28 | 1982-02-09 | The Boeing Company | Advanced airfoils for helicopter rotor application |
-
1981
- 1981-07-24 US US06/286,484 patent/US4519746A/en not_active Expired - Lifetime
-
1982
- 1982-07-08 GB GB08219805A patent/GB2102505B/en not_active Expired
- 1982-07-09 IT IT22325/82A patent/IT1151923B/it active
- 1982-07-15 NL NL8202858A patent/NL191579C/xx not_active IP Right Cessation
- 1982-07-19 DE DE19823226968 patent/DE3226968A1/de active Granted
- 1982-07-20 ES ES1982275141U patent/ES275141Y/es not_active Expired
- 1982-07-21 BR BR8204244A patent/BR8204244A/pt not_active IP Right Cessation
- 1982-07-22 SE SE8204424A patent/SE447469B/sv not_active IP Right Cessation
- 1982-07-22 FR FR8212777A patent/FR2510066B1/fr not_active Expired
- 1982-07-23 JP JP57129506A patent/JPS5826699A/ja active Granted
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE202014101384U1 (de) | 2013-04-10 | 2014-03-28 | SpinBlades GmbH | Hubschrauberrotorblatt |
DE102013103588A1 (de) * | 2013-04-10 | 2014-10-30 | SpinBlades GmbH | Rotorblatt |
DE102013103588B4 (de) * | 2013-04-10 | 2015-04-16 | SpinBlades GmbH | Rotorblatt |
Also Published As
Publication number | Publication date |
---|---|
ES275141Y (es) | 1985-11-01 |
ES275141U (es) | 1985-04-16 |
SE8204424D0 (sv) | 1982-07-22 |
GB2102505B (en) | 1984-11-14 |
GB2102505A (en) | 1983-02-02 |
US4519746A (en) | 1985-05-28 |
SE447469B (sv) | 1986-11-17 |
JPH0375398B2 (US20050075337A1-20050407-C00081.png) | 1991-11-29 |
NL8202858A (nl) | 1983-02-16 |
NL191579C (nl) | 1995-10-03 |
SE8204424L (sv) | 1983-01-25 |
FR2510066A1 (fr) | 1983-01-28 |
DE3226968A1 (de) | 1983-02-10 |
IT1151923B (it) | 1986-12-24 |
FR2510066B1 (fr) | 1985-09-06 |
NL191579B (nl) | 1995-06-01 |
IT8222325A0 (it) | 1982-07-09 |
BR8204244A (pt) | 1983-07-12 |
JPS5826699A (ja) | 1983-02-17 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8128 | New person/name/address of the agent |
Representative=s name: MENGES, R., DIPL.-ING., PAT.-ANW., 8000 MUENCHEN |
|
8110 | Request for examination paragraph 44 | ||
8125 | Change of the main classification |
Ipc: B64C 11/16 |
|
D2 | Grant after examination | ||
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |