JP5357145B2 - 振動ダンパを備えるヘリコプタ回転翼 - Google Patents
振動ダンパを備えるヘリコプタ回転翼 Download PDFInfo
- Publication number
- JP5357145B2 JP5357145B2 JP2010512795A JP2010512795A JP5357145B2 JP 5357145 B2 JP5357145 B2 JP 5357145B2 JP 2010512795 A JP2010512795 A JP 2010512795A JP 2010512795 A JP2010512795 A JP 2010512795A JP 5357145 B2 JP5357145 B2 JP 5357145B2
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- JP
- Japan
- Prior art keywords
- drive shaft
- mass
- rotor blade
- hub
- axis
- 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.)
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Links
- 230000005540 biological transmission Effects 0.000 claims description 7
- 238000013016 damping Methods 0.000 claims 2
- 230000002093 peripheral effect Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 238000005452 bending Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 229910001234 light alloy Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/51—Damping of blade movements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/04—Helicopters
- B64C27/12—Rotor drives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/001—Vibration damping devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/04—Helicopters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/32—Rotors
- B64C27/35—Rotors having elastomeric joints
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/001—Vibration damping devices
- B64C2027/003—Vibration damping devices mounted on rotor hub, e.g. a rotary force generator
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49316—Impeller making
- Y10T29/49318—Repairing or disassembling
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
- Vibration Prevention Devices (AREA)
- Vibration Dampers (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
- Catching Or Destruction (AREA)
Description
Claims (10)
- ヘリコプタ(1)用の回転翼(3)であって、
複数枚の羽根(9)を具備し軸線(A)を中心に回転するハブ(5)と、
前記ヘリコプタ(1)の駆動装置に接続可能な、少なくとも部分的に中空の駆動軸(6)にして、前記ハブ(5)を前記軸線(A)回りに回転させるために前記ハブ(5)に機能的に接続されている駆動軸(6)と、
質量(17)と、前記質量(17)に結合され且つ前記駆動軸(6)によって支持されている弾性変形可能な部材(16)とを具備する振動減衰手段(15)と、を具備しており、
前記質量(17)は、前記ハブ(5)及び前記羽根(9)の回転によって生み出された振動の前記駆動軸(6)への伝達を妨げるような周波数で使用中に振動し、
前記弾性変形可能な部材(16)が、前記駆動軸(6)の内側に少なくとも部分的に延びて、前記軸線(A)に平行に細長くされていることを特徴とする、回転翼(3)。 - 前記駆動軸(6)と前記部材(16)との間に置かれた支持本体(20)にして、前記駆動軸(6)及び前記部材(16)と角度的に一体の支持本体(20)を具備することを特徴とする、請求項1に記載の回転翼。
- 前記支持本体(20)が、該支持本体の軸方向で対向する両端に、前記部材(16)が係合する座(23)、及び前記駆動軸(6)に固定された端表面(21)を具備することを特徴とする、請求項2に記載の回転翼。
- 前記部材(16)は、前記軸線(A)に平行に延びるロッド(16)であって、前記座(23)に係合する第1軸端(18)と、前記第1軸端(18)の反対側の第2軸端(19)にして前記質量(17)に固定された第2軸端(19)とを有しており、前記ロッド(16)が、前記第1軸端(18)と前記第2軸端(19)との間で延び且つ前記端表面(21)を貫く中間部分も具備することを特徴とする、請求項3に記載の回転翼。
- 前記質量(17)が、主本体(26)と、前記質量(17)の振動周波数を調節するために前記主本体(26)に取り外し可能に結合される少なくとも一つのプレート(27)とを具備することを特徴とする、請求項1〜4のいずれか一項に記載の回転翼。
- 前記羽根(9)の回転によって使用中に生み出される空気流を予め定められた経路に沿って導くために前記ハブ(5)に結合された気流デフレクタ(10)を具備することを特徴とする、請求項1〜5のいずれか一項に記載の回転翼。
- 前記部材(16)及び前記質量(17)が、前記気流デフレクタ(10)と前記駆動軸(6)とによって形成されたキャビティ(30)内に収容されていることを特徴とする、請求項6に記載の回転翼であって、前記キャビティ(30)は前記振動減衰手段(15)を前記ハブ(5)から隔離している、請求項6に記載の回転翼。
- 前記質量(17)が前記気流デフレクタ(10)内に収容されていることを特徴とする、請求項6又は7に記載の回転翼。
- 前記部材(16)と前記支持本体(20)と前記質量(17)とが、前記軸線(A)に関して対称に延在していることを特徴とする、請求項2〜8のいずれか一項に記載の回転翼。
- 請求項1〜9のいずれか一項に記載の回転翼を具備することを特徴とする、ヘリコプタ(1)。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT000442A ITTO20070442A1 (it) | 2007-06-20 | 2007-06-20 | Rotore per un elicottero comprendente un dispositivo di smorzamento delle vibrazioni e relativo metodo di riqualificazione |
ITTO2007A000442 | 2007-06-20 | ||
PCT/IB2008/001594 WO2008155632A1 (en) | 2007-06-20 | 2008-06-19 | Helicopter rotor comprising a vibration damper, and method for updating the same |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2010530334A JP2010530334A (ja) | 2010-09-09 |
JP5357145B2 true JP5357145B2 (ja) | 2013-12-04 |
Family
ID=39874141
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2010512795A Active JP5357145B2 (ja) | 2007-06-20 | 2008-06-19 | 振動ダンパを備えるヘリコプタ回転翼 |
Country Status (12)
Country | Link |
---|---|
US (1) | US8573935B2 (ja) |
EP (1) | EP2160325B1 (ja) |
JP (1) | JP5357145B2 (ja) |
KR (1) | KR101497533B1 (ja) |
CN (1) | CN101784440B (ja) |
AT (1) | ATE492470T1 (ja) |
DE (1) | DE602008004141D1 (ja) |
IT (1) | ITTO20070442A1 (ja) |
PL (1) | PL2160325T3 (ja) |
PT (1) | PT2160325E (ja) |
RU (1) | RU2475415C2 (ja) |
WO (1) | WO2008155632A1 (ja) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2857313B1 (en) * | 2013-10-03 | 2015-12-23 | AGUSTAWESTLAND S.p.A. | Hover aircraft rotor comprising a vibration damping device |
CN104691756B (zh) * | 2015-02-01 | 2017-12-08 | 武汉天降科技有限公司 | 一种直升飞机螺旋桨定位减震刹车装置 |
EP3208192B1 (en) * | 2016-02-22 | 2018-04-11 | LEONARDO S.p.A. | Vibration damping device and damping method for a rotor of an aircraft capable of hovering |
CN106737872A (zh) * | 2016-12-27 | 2017-05-31 | 杨南 | 一种高压线路巡检除冰特种机器人 |
GB2563378B (en) * | 2017-05-15 | 2022-05-25 | Leisure Brands Ltd | Suspension device |
EP3421359B1 (en) * | 2017-06-30 | 2019-08-21 | LEONARDO S.p.A. | Rotor for a hover-capable aircraft |
EP3476728B1 (en) * | 2017-10-31 | 2019-12-25 | LEONARDO S.p.A. | Rotor for a hover-capable aircraft and method for containment of vibrations transmitted to the mast of a rotor of a hover-capable aircraft |
DE102018214789B4 (de) * | 2018-08-30 | 2021-02-04 | Zf Friedrichshafen Ag | Riemenantriebsanordnung für einen Antriebsstrang eines Hubschraubers |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1465266A (en) * | 1973-04-26 | 1977-02-23 | Westland Aircraft Ltd | Rotors for rotary wing aircraft |
FR2232481B1 (ja) * | 1973-06-08 | 1976-05-07 | Aerospatiale | |
FR2416838A1 (fr) * | 1978-02-10 | 1979-09-07 | Aerospatiale | Dispositif pour attenuer les vibrations d'un rotor de giravion |
US4403681A (en) * | 1980-09-30 | 1983-09-13 | The Boeing Company | Three directional vibration isolator |
DE3428820C2 (de) * | 1984-08-04 | 1986-11-06 | Messerschmitt-Bölkow-Blohm GmbH, 8012 Ottobrunn | Schwingungsisolator |
JPH0774032B2 (ja) * | 1986-10-08 | 1995-08-09 | 石川島播磨重工業株式会社 | 二重反転推進装置 |
JPH03103900U (ja) * | 1990-02-14 | 1991-10-29 | ||
RU2025409C1 (ru) * | 1991-06-28 | 1994-12-30 | Центральный аэрогидродинамический институт им.проф.Н.Е.Жуковского | Обтекатель втулки несущего винта |
US5647726A (en) * | 1996-02-15 | 1997-07-15 | Bell Helicopter Textron Inc. | Rotor system vibration absorber |
FR2749901B1 (fr) * | 1996-06-12 | 2000-12-08 | Eurocopter France | Dispositif pour reduire les vibrations engendrees par un rotor de sustentation d'un aeronef a voilure tournante |
RU2115592C1 (ru) * | 1996-10-17 | 1998-07-20 | Открытое акционерное общество "Камов" | Устройство для гашения вибраций лопастей несущего винта вертолета |
JPH10246290A (ja) * | 1997-03-03 | 1998-09-14 | Mitsubishi Heavy Ind Ltd | 振動吸収装置 |
JP3893554B2 (ja) * | 2000-02-23 | 2007-03-14 | 株式会社竹中工務店 | 超高塔状タワーの制振構造 |
BRPI0413123A (pt) * | 2003-08-27 | 2006-10-03 | Bell Helicopter Textron Inc | amortecedor de taxa de mola dupla |
FR2863583B1 (fr) * | 2003-12-10 | 2007-01-12 | Eurocopter France | Carenage de rotor de giravion |
-
2007
- 2007-06-20 IT IT000442A patent/ITTO20070442A1/it unknown
-
2008
- 2008-06-19 WO PCT/IB2008/001594 patent/WO2008155632A1/en active Application Filing
- 2008-06-19 JP JP2010512795A patent/JP5357145B2/ja active Active
- 2008-06-19 RU RU2010101665/11A patent/RU2475415C2/ru active
- 2008-06-19 CN CN2008800228612A patent/CN101784440B/zh active Active
- 2008-06-19 DE DE602008004141T patent/DE602008004141D1/de active Active
- 2008-06-19 PL PL08776277T patent/PL2160325T3/pl unknown
- 2008-06-19 AT AT08776277T patent/ATE492470T1/de not_active IP Right Cessation
- 2008-06-19 US US12/665,303 patent/US8573935B2/en active Active
- 2008-06-19 EP EP08776277A patent/EP2160325B1/en active Active
- 2008-06-19 KR KR1020097027414A patent/KR101497533B1/ko active IP Right Grant
- 2008-06-19 PT PT08776277T patent/PT2160325E/pt unknown
Also Published As
Publication number | Publication date |
---|---|
PT2160325E (pt) | 2011-02-17 |
EP2160325A1 (en) | 2010-03-10 |
US20100183442A1 (en) | 2010-07-22 |
CN101784440A (zh) | 2010-07-21 |
WO2008155632A1 (en) | 2008-12-24 |
RU2010101665A (ru) | 2011-07-27 |
ATE492470T1 (de) | 2011-01-15 |
KR20100040807A (ko) | 2010-04-21 |
DE602008004141D1 (de) | 2011-02-03 |
US8573935B2 (en) | 2013-11-05 |
CN101784440B (zh) | 2013-02-13 |
KR101497533B1 (ko) | 2015-03-02 |
ITTO20070442A1 (it) | 2008-12-21 |
PL2160325T3 (pl) | 2011-04-29 |
RU2475415C2 (ru) | 2013-02-20 |
EP2160325B1 (en) | 2010-12-22 |
JP2010530334A (ja) | 2010-09-09 |
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