ATE556929T1 - Rotorblatt und hubschrauber mit einem solchem blatt - Google Patents
Rotorblatt und hubschrauber mit einem solchem blattInfo
- Publication number
- ATE556929T1 ATE556929T1 AT11001288T AT11001288T ATE556929T1 AT E556929 T1 ATE556929 T1 AT E556929T1 AT 11001288 T AT11001288 T AT 11001288T AT 11001288 T AT11001288 T AT 11001288T AT E556929 T1 ATE556929 T1 AT E556929T1
- Authority
- AT
- Austria
- Prior art keywords
- blade
- twist
- swept
- back segment
- unit
- Prior art date
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
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/32—Rotors
- B64C27/46—Blades
- B64C27/463—Blade tips
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C13/00—Control systems or transmitting systems for actuating flying-control surfaces, lift-increasing flaps, air brakes, or spoilers
- B64C13/24—Transmitting means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C23/00—Influencing air flow over aircraft surfaces, not otherwise provided for
- B64C23/06—Influencing air flow over aircraft surfaces, not otherwise provided for by generating vortices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/32—Rotors
- B64C27/46—Blades
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/32—Rotors
- B64C27/46—Blades
- B64C27/473—Constructional features
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/54—Mechanisms for controlling blade adjustment or movement relative to rotor head, e.g. lag-lead movement
- B64C27/72—Means acting on blades
-
- 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
- Y02T50/30—Wing lift efficiency
Landscapes
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Automation & Control Theory (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Wind Motors (AREA)
- Toys (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
- Hinges (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1001141A FR2957893B1 (fr) | 2010-03-23 | 2010-03-23 | Pale de voilure tournante, aeronef a voilure tournante muni d'une telle pale |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE556929T1 true ATE556929T1 (de) | 2012-05-15 |
Family
ID=43012470
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT11001288T ATE556929T1 (de) | 2010-03-23 | 2011-02-17 | Rotorblatt und hubschrauber mit einem solchem blatt |
Country Status (6)
Country | Link |
---|---|
US (1) | US20110236208A1 (de) |
EP (1) | EP2371711B1 (de) |
KR (1) | KR20110106818A (de) |
CN (1) | CN102198858B (de) |
AT (1) | ATE556929T1 (de) |
FR (1) | FR2957893B1 (de) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105366047A (zh) * | 2014-08-19 | 2016-03-02 | 刘祖学 | 直升机新旋翼 |
US10287006B1 (en) | 2015-12-18 | 2019-05-14 | Amazon Technologies, Inc. | Adjustable propeller blades for sound control |
US10370098B1 (en) * | 2015-12-18 | 2019-08-06 | Amazon Technologies, Inc. | Adjustable propeller blade with sound flaps |
US9592910B1 (en) | 2015-12-18 | 2017-03-14 | Amazon Technologies, Inc. | Geometrically reconfigurable propellers |
CN105923155B (zh) * | 2016-06-08 | 2018-11-23 | 南京航空航天大学 | 一种用于旋翼飞行器的低噪声桨叶 |
CN106218886A (zh) * | 2016-08-18 | 2016-12-14 | 上海未来伙伴机器人有限公司 | 多旋翼机桨叶以及多旋翼机 |
US20180127085A1 (en) * | 2016-11-07 | 2018-05-10 | Troy Churchill | Propeller |
US10899440B2 (en) * | 2017-03-09 | 2021-01-26 | Sikorsky Aircraft Corporation | Rotor blade tip design for improved hover and cruise performance |
US20190136868A1 (en) * | 2017-11-07 | 2019-05-09 | Troy Churchill | Propeller |
CN112173075B (zh) * | 2020-09-25 | 2022-12-30 | 中国直升机设计研究所 | 一种直升机低噪声旋翼桨叶气动外形 |
Family Cites Families (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2455866A (en) * | 1946-08-19 | 1948-12-07 | Kaman Aircraft Corp | Aircraft of rotary wing type |
US3002711A (en) * | 1956-09-05 | 1961-10-03 | Fairchild Stratos Corp | Helicopter |
US2994384A (en) * | 1957-12-09 | 1961-08-01 | Kaman Aircraft Corp | Helicopter with jet driven rotor |
US3589831A (en) * | 1969-11-10 | 1971-06-29 | Kaman Corp | Control system for rotary wing vehicle |
US5387083A (en) | 1992-12-23 | 1995-02-07 | Alliedsignal Inc. | Helicopter servoflap actuator having mechanical stop and oil pump |
GB2280412A (en) * | 1993-07-15 | 1995-02-01 | Nigel Howard Mckrill | Helicopter rotor controlled by light signals. |
US5626312A (en) | 1994-07-06 | 1997-05-06 | Mcdonnell Douglas Corporation | Piezoelectric actuator |
US5508589A (en) * | 1994-12-14 | 1996-04-16 | Archdekin; James M. | Power saving voltage reduction system for high intensity discharge lighting systems |
US5505589A (en) * | 1994-12-28 | 1996-04-09 | Bergey; Karl H. | Controllable variable twist rotor blade assembly |
GB2298624A (en) * | 1995-03-04 | 1996-09-11 | Nigel Howard Mckrill | Light controlled helicopter rotor blade |
JPH09254894A (ja) * | 1996-03-26 | 1997-09-30 | Commuter Herikoputa Senshin Gijutsu Kenkyusho:Kk | フラップ付ヘリコプタブレードおよびこれを用いたロータ制御装置 |
FR2784351B1 (fr) * | 1998-10-12 | 2000-12-08 | Eurocopter France | Dispositif et procede pour reduire les vibrations engendrees sur la structure d'un aeronef a voilure tournante, notamment un helicoptere |
US6135713A (en) | 1999-01-19 | 2000-10-24 | The Mcdonnell Douglas Helicopter Company | Helicopter rotor blade flap actuator government interest |
JP2000255495A (ja) * | 1999-03-04 | 2000-09-19 | Mitsubishi Heavy Ind Ltd | メインロータ用ブレード |
US6513762B2 (en) | 1999-05-18 | 2003-02-04 | Diversified Technologies, Inc. | Flap actuator system |
JP3644497B2 (ja) * | 2001-04-16 | 2005-04-27 | 防衛庁技術研究本部長 | 回転翼航空機のロータ・ブレード |
US7424988B2 (en) | 2001-05-24 | 2008-09-16 | Mcdonnell Helicopter Company Llc | Use of aerodynamic forces to assist in the control and positioning of aircraft control surfaces and variable geometry systems |
US7165945B2 (en) * | 2003-08-22 | 2007-01-23 | Sikorsky Aircraft Corporation | Braided spar for a rotor blade and method of manufacture thereof |
EP1666355B1 (de) | 2003-08-29 | 2012-10-24 | Kawada Industries, Inc. | Verfahren und vorrichtung zur verringerung des lärms von hubschrauberblattwirbeln |
US6984109B2 (en) * | 2003-12-04 | 2006-01-10 | Sikorsky Aircraft Corporation | Rotor blade pitch control assembly |
FR2865189B1 (fr) | 2004-01-21 | 2007-02-16 | Eurocopter France | Pale de voilure tournante a double fleche et effilement limites. |
FR2892382B1 (fr) * | 2005-10-26 | 2007-12-07 | Eurocopter France | Pale de giravion munie d'un volet orientable a l'aide d'au moins une rotule principale dont le premier arbre est solidaire de ladite pale. |
US20070131820A1 (en) * | 2005-12-09 | 2007-06-14 | Sikorsky Aircraft Corporation | Rotorcraft control system and method of using |
US7857598B2 (en) * | 2006-06-26 | 2010-12-28 | Aerovel Corporation | Variable-twist rotor blade controlled by hub pitch angle and rotational speed |
FR2912990B1 (fr) * | 2007-02-23 | 2009-04-24 | Eurocopter France | Pale de giravion pourvue d'un troncon radial et d'au moins un troncon en fleche avant et/ou arriere |
-
2010
- 2010-03-23 FR FR1001141A patent/FR2957893B1/fr not_active Expired - Fee Related
-
2011
- 2011-02-17 AT AT11001288T patent/ATE556929T1/de active
- 2011-02-17 EP EP11001288A patent/EP2371711B1/de not_active Revoked
- 2011-03-17 US US13/050,242 patent/US20110236208A1/en not_active Abandoned
- 2011-03-22 CN CN201110078366.7A patent/CN102198858B/zh not_active Expired - Fee Related
- 2011-03-22 KR KR1020110025496A patent/KR20110106818A/ko active Search and Examination
Also Published As
Publication number | Publication date |
---|---|
CN102198858B (zh) | 2015-05-20 |
EP2371711A1 (de) | 2011-10-05 |
US20110236208A1 (en) | 2011-09-29 |
CN102198858A (zh) | 2011-09-28 |
FR2957893B1 (fr) | 2013-04-05 |
KR20110106818A (ko) | 2011-09-29 |
FR2957893A1 (fr) | 2011-09-30 |
EP2371711B1 (de) | 2012-05-09 |
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