WO2004067380A1 - Proprotor blade with leading edge slot - Google Patents
Proprotor blade with leading edge slot Download PDFInfo
- Publication number
- WO2004067380A1 WO2004067380A1 PCT/US2003/002049 US0302049W WO2004067380A1 WO 2004067380 A1 WO2004067380 A1 WO 2004067380A1 US 0302049 W US0302049 W US 0302049W WO 2004067380 A1 WO2004067380 A1 WO 2004067380A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- slat
- leading edge
- proprotor
- airfoil
- coupling
- Prior art date
Links
Classifications
-
- 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
-
- 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
- B64C29/00—Aircraft capable of landing or taking-off vertically, e.g. vertical take-off and landing [VTOL] aircraft
- B64C29/0008—Aircraft capable of landing or taking-off vertically, e.g. vertical take-off and landing [VTOL] aircraft having its flight directional axis horizontal when grounded
- B64C29/0016—Aircraft capable of landing or taking-off vertically, e.g. vertical take-off and landing [VTOL] aircraft having its flight directional axis horizontal when grounded the lift during taking-off being created by free or ducted propellers or by blowers
- B64C29/0033—Aircraft capable of landing or taking-off vertically, e.g. vertical take-off and landing [VTOL] aircraft having its flight directional axis horizontal when grounded the lift during taking-off being created by free or ducted propellers or by blowers the propellers being tiltable relative to the fuselage
Landscapes
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Tires In General (AREA)
Abstract
Description
Claims
Priority Applications (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE60321390T DE60321390D1 (en) | 2003-01-23 | 2003-01-23 | PROPELLER LEAF WITH GUIDE EDGE NUT |
AU2003210634A AU2003210634A1 (en) | 2003-01-23 | 2003-01-23 | Proprotor blade with leading edge slot |
EP03815629A EP1585665B1 (en) | 2003-01-23 | 2003-01-23 | Proprotor blade with leading edge slot |
US10/543,222 US7594625B2 (en) | 2003-01-23 | 2003-01-23 | Proprotor blade with leading edge slot |
BR0317808-0A BR0317808A (en) | 2003-01-23 | 2003-01-23 | Main Edge Slotted Impeller Rotor Vane |
CNB038256673A CN100372735C (en) | 2003-01-23 | 2003-01-23 | Proprotor blade with leading edge slot |
CA2505007A CA2505007C (en) | 2003-01-23 | 2003-01-23 | Proprotor blade with leading edge slot |
PCT/US2003/002049 WO2004067380A1 (en) | 2003-01-23 | 2003-01-23 | Proprotor blade with leading edge slot |
DE03815629T DE03815629T1 (en) | 2003-01-23 | 2003-01-23 | PROPELLER LEAF WITH GUIDE EDGE NUT |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/US2003/002049 WO2004067380A1 (en) | 2003-01-23 | 2003-01-23 | Proprotor blade with leading edge slot |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2004067380A1 true WO2004067380A1 (en) | 2004-08-12 |
Family
ID=32823163
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2003/002049 WO2004067380A1 (en) | 2003-01-23 | 2003-01-23 | Proprotor blade with leading edge slot |
Country Status (8)
Country | Link |
---|---|
US (1) | US7594625B2 (en) |
EP (1) | EP1585665B1 (en) |
CN (1) | CN100372735C (en) |
AU (1) | AU2003210634A1 (en) |
BR (1) | BR0317808A (en) |
CA (1) | CA2505007C (en) |
DE (2) | DE03815629T1 (en) |
WO (1) | WO2004067380A1 (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2924681A1 (en) * | 2007-12-05 | 2009-06-12 | Onera (Off Nat Aerospatiale) | Elongated aerodynamic element e.g. rotary aerofoil blade, has piezoelectric type internal actuation unit that is provided at interior of element to provide relative sliding between edges of longitudinal slot |
US7912681B2 (en) | 2004-10-15 | 2011-03-22 | Textron Innovations Inc. | Method for designing a flight vehicle |
EP2660150A3 (en) * | 2012-05-04 | 2013-11-27 | Sikorsky Aircraft Corporation | Multi-element rotor blade |
EP3246247A1 (en) * | 2016-05-21 | 2017-11-22 | Bell Helicopter Textron Inc. | Structurally biased proprotor blade assembly |
EP3415422A1 (en) * | 2017-06-17 | 2018-12-19 | Bell Helicopter Textron Inc. | Method and apparatus to improve lift to drag ratio of a rotor blade |
USD891351S1 (en) | 2017-12-15 | 2020-07-28 | Bell Helicopter Textron Inc. | Rotor blade |
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---|---|---|---|---|
PL2123556T3 (en) * | 2008-05-22 | 2011-04-29 | Agusta Spa | Helicopter antitorque tail rotor blade |
PL2123557T3 (en) * | 2008-05-22 | 2011-10-31 | Agustawestland Spa | Helicopter antitorque tail rotor blade |
DK200800723A (en) * | 2008-05-27 | 2009-11-28 | Fo900 Invest Aps | Wind turbine blade with aerodynamic slit near the root |
ES2330500B1 (en) * | 2008-05-30 | 2010-09-13 | GAMESA INNOVATION & TECHNOLOGY, S.L. UNIPERSONAL | AEROGENERATOR SHOVEL WITH HYPERSUSTENTING ELEMENTS. |
GB0810724D0 (en) * | 2008-06-12 | 2008-07-16 | Airbus Uk Ltd | Slat assembly |
CA2787421C (en) | 2010-02-05 | 2014-12-30 | Bell Helicopter Textron Inc. | Apparatus for attaching a member to a core-stiffened structure and a combination thereof |
US20110142676A1 (en) * | 2010-11-16 | 2011-06-16 | General Electric Company | Rotor blade assembly having an auxiliary blade |
PT2626298E (en) * | 2012-02-09 | 2014-09-22 | Agustawestland Spa | Aircraft rotor blade and relative forming method |
US9446843B2 (en) * | 2012-03-27 | 2016-09-20 | The Boeing Company | Enhanced performance rotorcraft rotor blade |
RU2013128924A (en) * | 2013-06-25 | 2014-12-27 | Геворг Сережаевич Нороян | WIND TURBINE FOR ELECTRIC CAR |
CN103708029A (en) * | 2014-01-06 | 2014-04-09 | 姚昊 | Light aircraft |
CN103754363B (en) * | 2014-02-11 | 2015-10-14 | 谷梦若 | Rotor wingtip not displacement and the helicopter rotor system of lift-rising |
US20150316025A1 (en) * | 2014-05-01 | 2015-11-05 | Siemens Energy, Inc. | Aerodynamic device for a rotor blade of a wind turbine |
FR3031082B1 (en) * | 2014-12-30 | 2017-02-10 | Airbus Operations Sas | JUNCTION ASSEMBLY CONNECTING A FUSELAGE AIRCRAFT AIRCRAFT FITTING WITH SINGER IN PARTICULAR POSITION |
US20160244147A1 (en) | 2015-02-20 | 2016-08-25 | Northrop Grumman Systems Corporation | Quiet slat propeller |
US9981736B2 (en) | 2016-05-16 | 2018-05-29 | Bell Helicopter Textron Inc. | Folding proprotor blade assembly having integral tang assembly |
US10377480B2 (en) | 2016-08-10 | 2019-08-13 | Bell Helicopter Textron Inc. | Apparatus and method for directing thrust from tilting cross-flow fan wings on an aircraft |
US10479495B2 (en) | 2016-08-10 | 2019-11-19 | Bell Helicopter Textron Inc. | Aircraft tail with cross-flow fan systems |
US10279900B2 (en) | 2016-08-10 | 2019-05-07 | Bell Helicopter Textron Inc. | Rotorcraft variable thrust cross-flow fan systems |
US10421541B2 (en) | 2016-08-10 | 2019-09-24 | Bell Helicopter Textron Inc. | Aircraft with tilting cross-flow fan wings |
US10106253B2 (en) | 2016-08-31 | 2018-10-23 | Bell Helicopter Textron Inc. | Tilting ducted fan aircraft generating a pitch control moment |
US10293931B2 (en) | 2016-08-31 | 2019-05-21 | Bell Helicopter Textron Inc. | Aircraft generating a triaxial dynamic thrust matrix |
US10207793B2 (en) * | 2016-11-30 | 2019-02-19 | Bell Helicopter Textron Inc. | Rotor blade having variable twist |
US10618632B2 (en) * | 2017-02-13 | 2020-04-14 | Bell Helicopter Textron Inc. | Foldable rotor blade assembly |
US10384776B2 (en) | 2017-02-22 | 2019-08-20 | Bell Helicopter Textron Inc. | Tiltrotor aircraft having vertical lift and hover augmentation |
CN106986005B (en) * | 2017-03-29 | 2024-02-13 | 北京华信智航科技有限公司 | Tilting structure of oil-driven tilting rotary wing aircraft |
CN109071005A (en) | 2017-07-28 | 2018-12-21 | 深圳市大疆创新科技有限公司 | Propeller, Power Component and aircraft |
US10814967B2 (en) | 2017-08-28 | 2020-10-27 | Textron Innovations Inc. | Cargo transportation system having perimeter propulsion |
US10836481B2 (en) * | 2017-11-09 | 2020-11-17 | Bell Helicopter Textron Inc. | Biplane tiltrotor aircraft |
EP3674211B1 (en) * | 2018-12-28 | 2021-02-17 | LEONARDO S.p.A. | Convertiplane and related control method |
CN109747818B (en) * | 2018-12-30 | 2021-09-03 | 南京航空航天大学 | Helicopter rotor wing aerodynamic interference control method based on blade tip mass jet |
MX2019003715A (en) * | 2019-03-29 | 2020-09-30 | Rosado Rodrigo Gallardo | Induced autorotation rotary wing. |
CN110789709B (en) * | 2019-10-12 | 2022-10-11 | 哈尔滨飞机工业集团有限责任公司 | Composite horizontal tail with leading edge slat |
CN110683033B (en) * | 2019-10-31 | 2023-03-21 | 哈尔滨工程大学 | But roll adjustment formula rotor |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2007506A (en) * | 1932-04-06 | 1935-07-09 | Bendix Aviat Corp | Propeller |
US2026482A (en) * | 1932-09-09 | 1935-12-31 | Mattioli Gian Domenico | Control for aerofoils, etc. |
US2135887A (en) * | 1935-06-07 | 1938-11-08 | Fairey Charles Richard | Blade for airscrews and the like |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2622686A (en) * | 1942-07-21 | 1952-12-23 | Chevreau Rene Louis Pier Marie | Wind motor |
US2483480A (en) * | 1944-09-14 | 1949-10-04 | Edward A Stalker | Spanwise variable lift control for rotary wings |
US2650045A (en) * | 1950-11-10 | 1953-08-25 | Wiggins Hunt Engineering Corp | Aircraft |
US2716460A (en) * | 1952-02-28 | 1955-08-30 | Raymond A Young | Blade and control mechanism for helicopters |
US2973925A (en) * | 1958-03-24 | 1961-03-07 | Lockheed Aircraft Corp | Aerodynamically automatic airfoil slat mechanism |
US3556439A (en) * | 1968-11-22 | 1971-01-19 | Boeing Co | Methods and high lift systems for making an aircraft wing more efficient for takeoffs and landings |
US3588273A (en) | 1969-03-19 | 1971-06-28 | Honeywell Inc | Control apparatus |
FR2249804B1 (en) * | 1973-11-06 | 1976-10-01 | Aerospatiale | |
US4169567A (en) * | 1974-12-13 | 1979-10-02 | Tamura Raymond M | Helicopter lifting and propelling apparatus |
US4360176A (en) * | 1979-11-05 | 1982-11-23 | The Boeing Company | Wing leading edge slat |
US4655685A (en) | 1985-12-16 | 1987-04-07 | United Technologies Corporation | Helicopter main rotor blade having a short span slot near the tip end |
DE3721295C1 (en) * | 1987-06-27 | 1988-12-08 | Deutsche Forsch Luft Raumfahrt | Propeller, the blades of which are provided with a wing |
US5791875A (en) | 1996-09-10 | 1998-08-11 | Mcdonnell Douglas Helicopter Co. | Tip vortex reduction system |
US6497385B1 (en) * | 2000-11-08 | 2002-12-24 | Continuum Dynamics, Inc. | Rotor blade with optimized twist distribution |
US6769872B2 (en) * | 2002-05-17 | 2004-08-03 | Sikorsky Aircraft Corporation | Active control of multi-element rotor blade airfoils |
US6932569B2 (en) * | 2002-05-17 | 2005-08-23 | Sikorsky Aircraft Corporation | Active control of multi-element rotor blade airfoils |
US6840741B1 (en) * | 2003-10-14 | 2005-01-11 | Sikorsky Aircraft Corporation | Leading edge slat airfoil for multi-element rotor blade airfoils |
-
2003
- 2003-01-23 US US10/543,222 patent/US7594625B2/en not_active Expired - Lifetime
- 2003-01-23 CN CNB038256673A patent/CN100372735C/en not_active Expired - Fee Related
- 2003-01-23 CA CA2505007A patent/CA2505007C/en not_active Expired - Lifetime
- 2003-01-23 EP EP03815629A patent/EP1585665B1/en not_active Expired - Lifetime
- 2003-01-23 BR BR0317808-0A patent/BR0317808A/en not_active Application Discontinuation
- 2003-01-23 AU AU2003210634A patent/AU2003210634A1/en not_active Abandoned
- 2003-01-23 DE DE03815629T patent/DE03815629T1/en active Pending
- 2003-01-23 DE DE60321390T patent/DE60321390D1/en not_active Expired - Lifetime
- 2003-01-23 WO PCT/US2003/002049 patent/WO2004067380A1/en not_active Application Discontinuation
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2007506A (en) * | 1932-04-06 | 1935-07-09 | Bendix Aviat Corp | Propeller |
US2026482A (en) * | 1932-09-09 | 1935-12-31 | Mattioli Gian Domenico | Control for aerofoils, etc. |
US2135887A (en) * | 1935-06-07 | 1938-11-08 | Fairey Charles Richard | Blade for airscrews and the like |
Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7912681B2 (en) | 2004-10-15 | 2011-03-22 | Textron Innovations Inc. | Method for designing a flight vehicle |
FR2924681A1 (en) * | 2007-12-05 | 2009-06-12 | Onera (Off Nat Aerospatiale) | Elongated aerodynamic element e.g. rotary aerofoil blade, has piezoelectric type internal actuation unit that is provided at interior of element to provide relative sliding between edges of longitudinal slot |
WO2009103865A2 (en) * | 2007-12-05 | 2009-08-27 | ONERA (Office National d'Etudes et de Recherches Aérospatiales) | Elongated, torsion-deformable aerodynamic element |
WO2009103865A3 (en) * | 2007-12-05 | 2010-04-22 | ONERA (Office National d'Etudes et de Recherches Aérospatiales) | Elongated, torsion-deformable aerodynamic element |
EP3103718A1 (en) * | 2012-05-04 | 2016-12-14 | Sikorsky Aircraft Corporation | Multi-element rotor blade |
US9211950B2 (en) | 2012-05-04 | 2015-12-15 | Sikorsky Aircraft Corporation | Multi-element rotor blade |
EP2660150A3 (en) * | 2012-05-04 | 2013-11-27 | Sikorsky Aircraft Corporation | Multi-element rotor blade |
EP3246247A1 (en) * | 2016-05-21 | 2017-11-22 | Bell Helicopter Textron Inc. | Structurally biased proprotor blade assembly |
US10239604B2 (en) | 2016-05-21 | 2019-03-26 | Bell Helicopter Textron Inc. | Structurally biased proprotor blade assembly |
EP3415422A1 (en) * | 2017-06-17 | 2018-12-19 | Bell Helicopter Textron Inc. | Method and apparatus to improve lift to drag ratio of a rotor blade |
US10604234B2 (en) | 2017-06-17 | 2020-03-31 | Bell Helicopter Textron Inc. | Method and apparatus to improve lift to drag ratio of a rotor blade |
USD891351S1 (en) | 2017-12-15 | 2020-07-28 | Bell Helicopter Textron Inc. | Rotor blade |
USD907559S1 (en) | 2017-12-15 | 2021-01-12 | Bell Helicopter Textron Inc. | Leading edge fairing |
Also Published As
Publication number | Publication date |
---|---|
EP1585665B1 (en) | 2008-05-28 |
DE60321390D1 (en) | 2008-07-10 |
CA2505007A1 (en) | 2004-08-12 |
US7594625B2 (en) | 2009-09-29 |
US20060239824A1 (en) | 2006-10-26 |
CN100372735C (en) | 2008-03-05 |
BR0317808A (en) | 2005-11-29 |
DE03815629T1 (en) | 2006-04-13 |
AU2003210634A1 (en) | 2004-08-23 |
CA2505007C (en) | 2010-05-11 |
EP1585665A1 (en) | 2005-10-19 |
EP1585665A4 (en) | 2007-09-12 |
CN1714022A (en) | 2005-12-28 |
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