JPS56167599A - Helicopter blade - Google Patents
Helicopter bladeInfo
- Publication number
- JPS56167599A JPS56167599A JP857081A JP857081A JPS56167599A JP S56167599 A JPS56167599 A JP S56167599A JP 857081 A JP857081 A JP 857081A JP 857081 A JP857081 A JP 857081A JP S56167599 A JPS56167599 A JP S56167599A
- Authority
- JP
- Japan
- Prior art keywords
- helicopter blade
- helicopter
- blade
- 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.)
- Pending
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
- B64C27/463—Blade tips
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Toys (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/114,131 US4324530A (en) | 1980-01-21 | 1980-01-21 | Helicopter blade with a tip having a selected combination of sweep, taper and anhedral to improve hover efficiency |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS56167599A true JPS56167599A (en) | 1981-12-23 |
Family
ID=22353519
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP857081A Pending JPS56167599A (en) | 1980-01-21 | 1981-01-21 | Helicopter blade |
Country Status (11)
Country | Link |
---|---|
US (1) | US4324530A (ja) |
JP (1) | JPS56167599A (ja) |
AU (1) | AU536734B2 (ja) |
CA (1) | CA1143354A (ja) |
CH (1) | CH652980A5 (ja) |
DE (1) | DE3100800A1 (ja) |
ES (1) | ES8203288A1 (ja) |
FR (1) | FR2473983A1 (ja) |
GB (1) | GB2067493B (ja) |
IL (1) | IL61879A (ja) |
IT (1) | IT1135095B (ja) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0260898A (ja) * | 1988-07-05 | 1990-03-01 | Westland Helicopters Ltd | ヘリコプタ用ロータ・ブレード、ヘリコプタ用メイン・ロータ及びヘリコプタ |
JPH02125900U (ja) * | 1989-03-29 | 1990-10-17 | ||
EP0878394A1 (en) | 1997-05-15 | 1998-11-18 | Fuji Jukogyo Kabushiki Kaisha | Rotor blade for rotary-wing aircraft |
WO2006059472A1 (ja) * | 2004-11-30 | 2006-06-08 | Global Energy Co., Ltd. | プロペラ並びに横軸風車 |
JP2006152957A (ja) * | 2004-11-30 | 2006-06-15 | Fjc:Kk | プロペラ並びに横軸風車 |
JP2007076562A (ja) * | 2005-09-15 | 2007-03-29 | Fjc:Kk | プロペラ |
JP2012116477A (ja) * | 2010-12-02 | 2012-06-21 | Agustawestland Ltd | 翼 |
WO2012117866A1 (ja) * | 2011-02-28 | 2012-09-07 | 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 |
Families Citing this family (44)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2507149A1 (fr) * | 1981-06-05 | 1982-12-10 | Onera (Off Nat Aerospatiale) | Extremite de pale pour voilure tournante d'aeronef et voilure tournante pourvue de telles extremites de pale |
US4722608A (en) * | 1985-07-30 | 1988-02-02 | General Signal Corp. | Mixing apparatus |
FR2617118B1 (fr) * | 1987-06-29 | 1992-08-21 | Aerospatiale | Pale a extremite courbe pour voilure tournante d'aeronef |
US5190441A (en) * | 1990-08-13 | 1993-03-02 | General Electric Company | Noise reduction in aircraft propellers |
GB9022281D0 (en) * | 1990-10-13 | 1991-02-20 | Westland Helicopters | Helicopter rotor blades |
GB9023141D0 (en) * | 1990-10-24 | 1991-07-10 | Westland Helicopters | Helicopter rotor blades |
US5137427A (en) * | 1990-12-20 | 1992-08-11 | United Technologies Corporation | Quiet tail rotor |
US5320494A (en) * | 1992-12-22 | 1994-06-14 | United Technologies Corporation | Helicopter rotor blade having a replaceable anhedral tip |
DE4400806A1 (de) * | 1994-01-13 | 1995-07-20 | Bernd Stolz | Propeller |
AUPN163795A0 (en) * | 1995-03-10 | 1995-04-06 | DIPNALL, David | A device for extracting energy from moving water particles |
GB9600123D0 (en) * | 1996-01-04 | 1996-03-06 | Westland Helicopters | Aerofoil |
DE29602559U1 (de) * | 1996-02-14 | 1996-04-18 | Kaehler Kai | Drehflügelluftfahrzeug |
FR2755941B1 (fr) | 1996-11-19 | 1999-01-15 | Eurocopter France | Pale a extremite en fleche pour voilure tournante d'aeronef |
US5885059A (en) * | 1996-12-23 | 1999-03-23 | Sikorsky Aircraft Corporation | Composite tip cap assembly for a helicopter main rotor blade |
JP3189251B2 (ja) * | 1999-03-12 | 2001-07-16 | 株式会社コミュータヘリコプタ先進技術研究所 | 回転翼機のロータブレード |
US6200096B1 (en) | 1999-04-16 | 2001-03-13 | Sikorsky Aircraft Corporation | Actuation system for an active rotor control system |
US6295006B1 (en) | 1999-04-16 | 2001-09-25 | Sikorsky Aircraft Corporation | Flap angle measurement system for an active rotor control system |
US6196796B1 (en) | 1999-04-22 | 2001-03-06 | Sikorsky Aircraft Corporation | High torque actuation system for an active rotor control system |
US6354536B1 (en) | 2000-08-08 | 2002-03-12 | Sikorsky Aircraft Corporation | Rotor hub mounted actuator for controlling a blade on a rotorcraft |
US6497385B1 (en) | 2000-11-08 | 2002-12-24 | Continuum Dynamics, Inc. | Rotor blade with optimized twist distribution |
DE10300284A1 (de) * | 2003-01-02 | 2004-07-15 | Aloys Wobben | Rotorblatt für eine Windenergieanlage |
PT1583904E (pt) * | 2003-01-02 | 2013-11-25 | Wobben Properties Gmbh | Pá de rotor para uma central eólica |
DE20301445U1 (de) * | 2003-01-30 | 2004-06-09 | Moser, Josef | Rotorblatt |
DE10332875B4 (de) * | 2003-07-19 | 2016-11-24 | Windreich GmbH | Rotorflügelblatt |
JP2005335621A (ja) * | 2004-05-28 | 2005-12-08 | Fuji Heavy Ind Ltd | ヘリコプタのロータブレード |
US7513750B2 (en) * | 2006-03-08 | 2009-04-07 | Sikorsky Aircraft Corporation | Rotor blade tip planform |
WO2009011933A1 (en) | 2007-03-01 | 2009-01-22 | Delta T Corporation | Angled airfoil extension for fan blade |
US7762785B2 (en) * | 2007-12-10 | 2010-07-27 | Sikorsky Aircraft Corporation | Main rotor blade with integral tip section |
DE102007062490B4 (de) * | 2007-12-20 | 2011-07-28 | Eurocopter Deutschland GmbH, 86609 | Rotorblatt für ein Drehflügelflugzeug |
US8066219B2 (en) * | 2008-04-25 | 2011-11-29 | Karem Aircraft, Inc. | Anhedral tip blades for tiltrotor aircraft |
US8419371B2 (en) * | 2008-05-30 | 2013-04-16 | General Electric Company | Wind turbine blades with twisted and tapered tips |
US8858183B2 (en) * | 2010-02-26 | 2014-10-14 | Sikorsky Aircraft Corporation | Rotor blade for a rotary-wing aircraft |
US20120128501A1 (en) * | 2010-11-23 | 2012-05-24 | 4Front Engineered Solutions, Inc. | Fan blade tips |
US8842000B2 (en) | 2012-07-17 | 2014-09-23 | 4Front Engineered Solutions, Inc. | Fire control systems |
FR3005301B1 (fr) * | 2013-05-03 | 2015-05-29 | Eurocopter France | Rotor carene d'aeronef, et giravion |
EP2821634A1 (en) | 2013-07-05 | 2015-01-07 | youWINenergy GmbH | Mountable wing tip device for mounting on a rotor blade of a wind turbine arrangement |
US9874214B2 (en) | 2014-01-28 | 2018-01-23 | 4Front Engineered Solutions, Inc. | Fan with fan blade mounting structure |
US9726192B2 (en) | 2015-03-31 | 2017-08-08 | Assa Abloy Entrance Systems Ab | Fan blades and associated blade tips |
US10414486B2 (en) | 2015-11-30 | 2019-09-17 | General Electric Company | Airfoil for a rotary machine including a propellor assembly |
EP3293112B1 (en) * | 2016-09-07 | 2018-12-05 | Leonardo S.p.A. | Rotor for a hover-capable aircraft and related method of control |
US10207793B2 (en) | 2016-11-30 | 2019-02-19 | Bell Helicopter Textron Inc. | Rotor blade having variable twist |
US10899440B2 (en) | 2017-03-09 | 2021-01-26 | Sikorsky Aircraft Corporation | Rotor blade tip design for improved hover and cruise performance |
US11498671B2 (en) * | 2019-05-13 | 2022-11-15 | Lockheed Martin Corporation | Replacement tip section for a rotor blade and method of replacing a rotor blade tip section |
FR3137136A1 (fr) * | 2022-06-28 | 2023-12-29 | Sas Flexeole | Pale d'éolienne ayant une forme d'extrémité optimisée |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3399731A (en) * | 1967-07-18 | 1968-09-03 | Algy F. Giles Jr. | Rotor-blade |
US3558081A (en) * | 1969-02-20 | 1971-01-26 | Airmarine Corp | Airborne vehicles |
US3721507A (en) * | 1971-09-22 | 1973-03-20 | United Aircraft Corp | Blade for high speed helicopter |
GB1538055A (en) * | 1975-05-19 | 1979-01-10 | Westland Aircraft Ltd | Helicopter rotor blades |
US4130377A (en) * | 1977-07-13 | 1978-12-19 | United Technologies Corporation | Helicopter blade and rotor |
-
1980
- 1980-01-21 US US06/114,131 patent/US4324530A/en not_active Expired - Lifetime
- 1980-11-21 CA CA000365237A patent/CA1143354A/en not_active Expired
-
1981
- 1981-01-07 IL IL61879A patent/IL61879A/xx unknown
- 1981-01-08 GB GB8100490A patent/GB2067493B/en not_active Expired
- 1981-01-12 AU AU66153/81A patent/AU536734B2/en not_active Ceased
- 1981-01-13 DE DE19813100800 patent/DE3100800A1/de not_active Withdrawn
- 1981-01-16 CH CH263/81A patent/CH652980A5/de not_active IP Right Cessation
- 1981-01-20 ES ES498662A patent/ES8203288A1/es not_active Expired
- 1981-01-21 IT IT19222/81A patent/IT1135095B/it active
- 1981-01-21 JP JP857081A patent/JPS56167599A/ja active Pending
- 1981-01-21 FR FR8101410A patent/FR2473983A1/fr active Granted
Cited By (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0260898A (ja) * | 1988-07-05 | 1990-03-01 | Westland Helicopters Ltd | ヘリコプタ用ロータ・ブレード、ヘリコプタ用メイン・ロータ及びヘリコプタ |
JPH02125900U (ja) * | 1989-03-29 | 1990-10-17 | ||
EP0878394A1 (en) | 1997-05-15 | 1998-11-18 | Fuji Jukogyo Kabushiki Kaisha | Rotor blade for rotary-wing aircraft |
JPH10316098A (ja) * | 1997-05-15 | 1998-12-02 | Fuji Heavy Ind Ltd | 回転翼航空機の回転翼羽根 |
US6168383B1 (en) | 1997-05-15 | 2001-01-02 | Fuji Jukogyo Kabushiki Kaisha | Rotor blade for rotary-wing aircraft |
JP2006152957A (ja) * | 2004-11-30 | 2006-06-15 | Fjc:Kk | プロペラ並びに横軸風車 |
WO2006059472A1 (ja) * | 2004-11-30 | 2006-06-08 | Global Energy Co., Ltd. | プロペラ並びに横軸風車 |
JP4740580B2 (ja) * | 2004-11-30 | 2011-08-03 | 株式会社ベルシオン | 横軸風車のブレード並びに横軸風車 |
US8128338B2 (en) | 2004-11-30 | 2012-03-06 | Kabushiki Kaisha Bellsion | Propeller and horizontal-axis wind turbine |
JP2007076562A (ja) * | 2005-09-15 | 2007-03-29 | Fjc:Kk | プロペラ |
JP2012116477A (ja) * | 2010-12-02 | 2012-06-21 | Agustawestland Ltd | 翼 |
JP2017024717A (ja) * | 2010-12-02 | 2017-02-02 | アグスタウエストランド リミテッド | 翼 |
WO2012117866A1 (ja) * | 2011-02-28 | 2012-09-07 | 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 |
JP2012180770A (ja) * | 2011-02-28 | 2012-09-20 | Mitsubishi Heavy Ind Ltd | 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 |
CN103299069A (zh) * | 2011-02-28 | 2013-09-11 | 三菱重工业株式会社 | 风车翼和设有该风车翼的风力发电装置以及风车翼的设计方法 |
Also Published As
Publication number | Publication date |
---|---|
US4324530A (en) | 1982-04-13 |
CA1143354A (en) | 1983-03-22 |
IL61879A (en) | 1985-07-31 |
IT1135095B (it) | 1986-08-20 |
CH652980A5 (de) | 1985-12-13 |
ES498662A0 (es) | 1982-04-01 |
DE3100800A1 (de) | 1982-01-07 |
ES8203288A1 (es) | 1982-04-01 |
FR2473983A1 (fr) | 1981-07-24 |
GB2067493B (en) | 1983-07-06 |
AU536734B2 (en) | 1984-05-24 |
FR2473983B1 (ja) | 1984-04-20 |
IT8119222A0 (it) | 1981-01-21 |
AU6615381A (en) | 1981-07-30 |
GB2067493A (en) | 1981-07-30 |
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