JP5466192B2 - ブレードダンパが取り付けられたロータ - Google Patents
ブレードダンパが取り付けられたロータ Download PDFInfo
- Publication number
- JP5466192B2 JP5466192B2 JP2011039014A JP2011039014A JP5466192B2 JP 5466192 B2 JP5466192 B2 JP 5466192B2 JP 2011039014 A JP2011039014 A JP 2011039014A JP 2011039014 A JP2011039014 A JP 2011039014A JP 5466192 B2 JP5466192 B2 JP 5466192B2
- Authority
- JP
- Japan
- Prior art keywords
- strength member
- blade
- damper
- hub
- end strength
- 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
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/51—Damping of blade movements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/32—Rotors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F1/00—Springs
- F16F1/36—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers
- F16F1/38—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers with a sleeve of elastic material between a rigid outer sleeve and a rigid inner sleeve or pin, i.e. bushing-type
- F16F1/3807—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers with a sleeve of elastic material between a rigid outer sleeve and a rigid inner sleeve or pin, i.e. bushing-type characterised by adaptations for particular modes of stressing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/10—Suppression of vibrations in rotating systems by making use of members moving with the system
- F16F15/12—Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Health & Medical Sciences (AREA)
- Child & Adolescent Psychology (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Fluid-Damping Devices (AREA)
- Vibration Dampers (AREA)
- Vibration Prevention Devices (AREA)
- Springs (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Description
Claims (7)
- ハブ(2)および複数のブレード(3、4、5、6)を備えるとともにダンパ(10)を少なくとも1つ備えるロータ(1)であって、
前記各ダンパ(10)は、管状かつ同軸の内側端部強度部材(20)および外側端部強度部材(30)を備えるとともに、前記内側端部および前記外側端部強度部材(20、30)の間に配置された復元部材(40)を備え、前記復元部材(40)は、前記内側端部および前記外側端部強度部材(20、30)と同軸の中間強度部材(43)を含み、前記復元部材(40)は、第1復元手段(41)および第2復元手段(42)を有し、前記第1復元手段(41)は、前記外側端部強度部材(30)と前記中間強度部材(43)との間に配置され、前記第2復元手段(42)は、前記内側端部強度部材(20)と前記中間強度部材(43)との間に配置され、前記内側端部強度部材、外側端部強度部材、および中間強度部材のうちの1つは前記ハブに接続され、前記内側端部強度部材、外側端部強度部材、および中間強度部材のうちの別の1つは第1ブレードに接続され、前記内側端部強度部材、外側端部強度部材、および中間強度部材のうちのまた別の1つは前記第1ブレードに隣接する第2ブレードに接続された、ロータ(1)。 - ダンパ(10)の一方の端部強度部材(20、30)は前記ハブ(2)に固定され、他方の端部強度部材(20、30)は第1ブレード(3)に接続され、前記中間強度部材(43)は前記第1ブレード(3)に隣接する第2ブレード(4)に接続される、請求項1に記載のロータ。
- ダンパの外側端部強度部材(30)は前記ハブ(2)に固定され、前記内側端部強度部材(20)は前記第1ブレード(3)に接続される、請求項2に記載のロータ。
- ダンパの一方の端部強度部材(20、30)は第1ブレード(3)に固定され、他方の端部強度部材は前記第1ブレード(3)に隣接する第2ブレード(4)に接続され、前記中間強度部材(43)は前記ハブ(2)に接続される、請求項1に記載のロータ。
- ダンパの一方の端部強度部材(30)は第1ブレード(3)に固定され、他方の端部強度部材(20)は前記ハブ(2)に接続され、前記中間強度部材(43)は前記第1ブレード(3)に隣接する第2ブレード(4)に接続される、請求項1に記載のロータ。
- ダンパ(10)の一方の端部強度部材(20)は第1ブレード(3)に固定され、他方の端部強度部材(30)は前記第1ブレード(3)に隣接する第2ブレード(4)に接続され、前記中間強度部材(43)は前記ハブ(2)に接続される、請求項1に記載のロータ。
- ダンパ(10)の中間強度部材(43)は第1ブレード(3)に固定され、一方の端部強度部材(20)は前記ハブ(2)に接続され、他方の端部強度部材(30)は前記第1ブレード(3)に隣接する第2ブレード(4)に接続される、請求項1に記載のロータ。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1001252A FR2957998B1 (fr) | 2010-03-29 | 2010-03-29 | Amortisseur d'une pale, et rotor muni d'un tel amortisseur |
FR1001252 | 2010-03-29 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2011207470A JP2011207470A (ja) | 2011-10-20 |
JP5466192B2 true JP5466192B2 (ja) | 2014-04-09 |
Family
ID=42933142
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2011039014A Expired - Fee Related JP5466192B2 (ja) | 2010-03-29 | 2011-02-24 | ブレードダンパが取り付けられたロータ |
Country Status (7)
Country | Link |
---|---|
US (1) | US8636472B2 (ja) |
EP (1) | EP2371712B1 (ja) |
JP (1) | JP5466192B2 (ja) |
KR (1) | KR101227106B1 (ja) |
CN (1) | CN102207149B (ja) |
CA (1) | CA2733314C (ja) |
FR (1) | FR2957998B1 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9126680B2 (en) | 2011-11-16 | 2015-09-08 | Textron Innovations Inc. | Dual mode rotor hub assembly |
US10773798B2 (en) * | 2017-09-29 | 2020-09-15 | Bell Textron Inc. | Rotor hub with blade-to-blade dampers attached to the pitch change axis |
IT202100018017A1 (it) * | 2021-07-08 | 2023-01-08 | Milano Politecnico | Rotore per elicottero a smorzamento migliorato |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2333163A1 (fr) | 1975-11-25 | 1977-06-24 | Kleber Colombes | Ressort de suspension de vehicule |
IT1129070B (it) | 1980-04-03 | 1986-06-04 | Agusta Aeronaut Costr | Rotore a giunti elastomerici per elicotteri |
EP0135296B1 (en) * | 1983-08-22 | 1987-06-03 | Westland Group plc | Helicopter rotors |
US4580945A (en) * | 1984-09-27 | 1986-04-08 | United Technologies Corporation | Helicopter gimbal rotor |
US4765758A (en) * | 1985-01-07 | 1988-08-23 | Barry Wright Corporation | Laminated bearing |
FR2592449B1 (fr) | 1985-12-30 | 1989-12-08 | Aerospatiale | Amortisseur de rotation |
FR2592696B1 (fr) | 1986-01-09 | 1989-12-01 | Aerospatiale | Contre-fiche de rappel elastique a amortissement incorpore, de type hydro-elastique. |
FR2653405B1 (fr) | 1989-10-20 | 1992-02-07 | Aerospatiale | Dispositif visco-elastique rotatif de rappel elastique et d'amortissement en trainee pour pale de rotor de giravion, et tete de rotor le comportant. |
WO1994015113A1 (en) * | 1992-12-23 | 1994-07-07 | United Technologies Corporation | Tubular elastomer damper |
FR2733961B1 (fr) * | 1995-05-12 | 1997-07-18 | Eurocopter France | Dispositif d'amortissement de trainee des pales d'un rotor |
BR9807214A (pt) | 1997-02-10 | 2000-04-25 | Ca Minister Agriculture & Food | Método para melhoramento das caracterìsticas de armazenamento a frio do tubérculo de batata |
JPH116536A (ja) * | 1997-06-19 | 1999-01-12 | Tatsuji Ishimaru | ダンパー |
JP3081914B2 (ja) | 1997-10-07 | 2000-08-28 | 工業技術院長 | Iii族窒化物半導体膜の成長方法 |
US6267319B1 (en) * | 1998-01-16 | 2001-07-31 | Richard W. Hoffmann | Method and apparatus for rolling up hose into an expanded hose coil |
JP3818914B2 (ja) | 2001-12-25 | 2006-09-06 | 株式会社東京マルイ | 飛行姿勢を再現可能な航空機玩具 |
FR2835506B1 (fr) * | 2002-02-06 | 2004-03-12 | Eurocopter France | Amortisseur de trainee a double piston pour rotor de giravion |
FR2839945B1 (fr) | 2002-05-24 | 2004-08-13 | Hutchinson | Dispositif combine amortisseur-rotule pour rotor d'helicoptere |
JP2006090486A (ja) * | 2004-09-27 | 2006-04-06 | Ogano:Kk | 粘弾性ダンパー |
FR2890937B1 (fr) | 2005-09-21 | 2009-04-24 | Eurocopter France | Rotor de giravion a pales articulees en battement et en trainee |
EP2197741B1 (en) * | 2007-09-04 | 2015-03-04 | Lord Corporation | Helicopter aircraft vehicle rotor damper |
FR2929675B1 (fr) * | 2008-04-07 | 2013-02-22 | Eurocopter France | Dispositif d'amortissement viscoelastique ameliore |
-
2010
- 2010-03-29 FR FR1001252A patent/FR2957998B1/fr active Active
-
2011
- 2011-02-23 EP EP11001485.9A patent/EP2371712B1/fr active Active
- 2011-02-24 JP JP2011039014A patent/JP5466192B2/ja not_active Expired - Fee Related
- 2011-02-28 CA CA2733314A patent/CA2733314C/fr active Active
- 2011-03-24 US US13/071,366 patent/US8636472B2/en active Active
- 2011-03-25 CN CN201110081342.7A patent/CN102207149B/zh not_active Expired - Fee Related
- 2011-03-28 KR KR1020110027551A patent/KR101227106B1/ko active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
CN102207149A (zh) | 2011-10-05 |
CA2733314C (fr) | 2013-10-08 |
CA2733314A1 (fr) | 2011-09-29 |
KR101227106B1 (ko) | 2013-02-07 |
EP2371712B1 (fr) | 2016-05-11 |
KR20110109940A (ko) | 2011-10-06 |
JP2011207470A (ja) | 2011-10-20 |
CN102207149B (zh) | 2014-05-07 |
EP2371712A3 (fr) | 2013-09-04 |
US20110236209A1 (en) | 2011-09-29 |
EP2371712A2 (fr) | 2011-10-05 |
FR2957998B1 (fr) | 2013-04-26 |
US8636472B2 (en) | 2014-01-28 |
FR2957998A1 (fr) | 2011-09-30 |
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