IT1313175B1 - Dispositivo e procedimento per ridurre vibrazioni lungo una direzionedi propagazione, specialmente in un elicottero. - Google Patents
Dispositivo e procedimento per ridurre vibrazioni lungo una direzionedi propagazione, specialmente in un elicottero.Info
- Publication number
- IT1313175B1 IT1313175B1 IT1999MI001572A ITMI991572A IT1313175B1 IT 1313175 B1 IT1313175 B1 IT 1313175B1 IT 1999MI001572 A IT1999MI001572 A IT 1999MI001572A IT MI991572 A ITMI991572 A IT MI991572A IT 1313175 B1 IT1313175 B1 IT 1313175B1
- Authority
- IT
- Italy
- Prior art keywords
- helicopter
- propagation
- procedure
- reduce vibrations
- vibrations along
- Prior art date
Links
Classifications
-
- 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
- B64C27/001—Vibration damping devices
- B64C2027/005—Vibration damping devices using suspended masses
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Vibration Prevention Devices (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19832697A DE19832697C2 (de) | 1998-07-21 | 1998-07-21 | Vorrichtung und Verfahren zur Reduktion von Schwingungen längs einer Schwingungsausbreitung, insbesondere in einem Hubschrauber |
Publications (3)
Publication Number | Publication Date |
---|---|
ITMI991572A0 ITMI991572A0 (it) | 1999-07-15 |
ITMI991572A1 ITMI991572A1 (it) | 2001-01-15 |
IT1313175B1 true IT1313175B1 (it) | 2002-06-17 |
Family
ID=7874762
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT1999MI001572A IT1313175B1 (it) | 1998-07-21 | 1999-07-15 | Dispositivo e procedimento per ridurre vibrazioni lungo una direzionedi propagazione, specialmente in un elicottero. |
Country Status (5)
Country | Link |
---|---|
US (1) | US6427815B1 (it) |
DE (1) | DE19832697C2 (it) |
FR (1) | FR2781542B1 (it) |
GB (1) | GB2339880B (it) |
IT (1) | IT1313175B1 (it) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2002056272A1 (en) * | 2000-12-27 | 2002-07-18 | Nokia Corporation | Portable vibrating device with adjustable amplitude |
FR2862392B1 (fr) * | 2003-11-17 | 2006-01-06 | Eurocopter France | Methode pour accorder un absorbeur de vibrations |
FR2864248B1 (fr) * | 2003-12-22 | 2006-03-17 | Eurocopter France | Dispositif d'indication du niveau vibratoire d'un appareil. |
KR101153579B1 (ko) | 2006-05-08 | 2012-06-11 | 신꼬오덴끼가부시끼가이샤 | 자동차 차체의 진동을 저감하는 자동차용 제진장치 |
US8342489B1 (en) | 2008-11-12 | 2013-01-01 | Richardson Donald G | Handlebar vibration damping assembly |
CN102282407B (zh) * | 2008-12-18 | 2016-10-12 | 贝尔直升机泰克斯特龙公司 | 用于改善振动隔离的装置及方法 |
CN102405359B (zh) | 2009-03-12 | 2015-02-11 | 贝尔直升机泰克斯特龙公司 | 用于改进振动隔离的方法及设备 |
US8882091B2 (en) | 2011-11-11 | 2014-11-11 | Textron Innovations Inc. | Vibration isolation system |
US10607424B2 (en) | 2012-02-10 | 2020-03-31 | Appareo Systems, Llc | Frequency-adaptable structural health and usage monitoring system (HUMS) and method with smart sensors |
WO2013120103A1 (en) | 2012-02-10 | 2013-08-15 | Appareo Systems, Llc | Frequency-adaptable structural health and usage monitoring system |
US8731743B2 (en) | 2012-04-11 | 2014-05-20 | Textron Innovations Inc. | Self tuning vibration isolation system |
US9296476B2 (en) | 2012-04-18 | 2016-03-29 | Textron Innovations Inc. | Self tuning vibration absorber |
DE102022110201B4 (de) | 2022-04-27 | 2024-02-08 | Karlsruher Institut für Technologie, Körperschaft des öffentlichen Rechts | Schwingungsdämpfer |
US12060148B2 (en) | 2022-08-16 | 2024-08-13 | Honeywell International Inc. | Ground resonance detection and warning system and method |
Family Cites Families (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3675471A (en) * | 1967-04-10 | 1972-07-11 | Raymond R Bouche | Method of measuring vibration characteristics of structures |
AU449502B2 (en) * | 1970-08-07 | 1974-05-30 | Dulmeson (Australia) Pty. Limited | Vibration damper for cables |
US4253027A (en) * | 1978-06-14 | 1981-02-24 | Ohio-Nuclear, Inc. | Tomographic scanner |
US4550812A (en) * | 1978-08-04 | 1985-11-05 | United Technologies Corporation | Fixed position, fixed frequency pendular-type vibration absorber with frequency linearization |
GB2068081A (en) * | 1980-01-16 | 1981-08-05 | Brush Power Equip Ltd | Vibration dampers of the stockbridge type |
US4420134A (en) | 1980-10-27 | 1983-12-13 | Kaman Aerospace Corporation | Vibration isolator with crank driven inertia bar |
FR2503663A1 (fr) * | 1981-04-10 | 1982-10-15 | Aerospatiale | Dispositif de suspension antivibratoire pour helicoptere |
US4959718A (en) * | 1982-03-31 | 1990-09-25 | Ampex Corporation | Video device synchronization system |
US4483425A (en) * | 1982-09-09 | 1984-11-20 | North American Philips Corporation | Vibration control system |
CN85102855B (zh) * | 1985-04-01 | 1987-09-23 | 曹培生 | 一种非线性电磁振动装置 |
US4663496A (en) * | 1985-08-12 | 1987-05-05 | Peek Jr Billy J | Cable system with suspended wind damper and method of installing a wind damper |
US5022201A (en) * | 1988-04-26 | 1991-06-11 | Kajima Corporation | Apparatus for accelerating response time of active mass damper earthquake attenuator |
JP2668990B2 (ja) * | 1988-10-06 | 1997-10-27 | 石川島播磨重工業株式会社 | 構造物制振装置 |
JP3135605B2 (ja) * | 1991-06-10 | 2001-02-19 | 株式会社東芝 | 撹拌子 |
JP2927573B2 (ja) * | 1991-06-11 | 1999-07-28 | 辰治 石丸 | 構造物の制振装置 |
FR2678032B1 (fr) * | 1991-06-18 | 1993-10-01 | Aerospatiale Ste Nationale Indle | Dispositif de liaison elastique entre deux pieces, et aeronef a voilure tournante comportant ledit dispositif. |
JPH05222863A (ja) * | 1992-02-14 | 1993-08-31 | Kajima Corp | 構造物の振動制御装置 |
US5456341A (en) * | 1993-04-23 | 1995-10-10 | Moog Inc. | Method and apparatus for actively adjusting and controlling a resonant mass-spring system |
US5713163A (en) * | 1995-01-19 | 1998-02-03 | Ishikawajima-Harima Heavy Industries Co. Ltd. | Vibration damping apparatus |
FR2730288B1 (fr) * | 1995-02-03 | 1997-04-18 | Mesure Et Inf Mei | Dispositifs de reduction de vibrations a commande active constitues de masses mobiles excitees par des electro aimants selon 2 ou 3 axes |
US5719791A (en) * | 1995-03-17 | 1998-02-17 | Georgia Tech Research Corporation | Methods, apparatus and systems for real time identification and control of modes of oscillation |
FR2739670B1 (fr) * | 1995-10-09 | 1999-05-14 | Eurocopter France | Dispositif pour amortir les vibrations d'une structure soumise a des sollicitations dynamiques |
FR2747098B1 (fr) * | 1996-04-03 | 1998-06-12 | Eurocopter France | Dispositif de suspension d'une boite de transmission d'un aeronef a voilure tournante |
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 |
DE19711846C2 (de) * | 1997-03-21 | 1999-02-04 | Eurocopter Deutschland | Mechanischer Schwingungstilger |
FR2770825B1 (fr) * | 1997-11-13 | 1999-12-31 | Eurocopter France | Dispositif pour reduire les vibrations dans la cabine d'un aeronef a voilure tournante, notamment un helicoptere |
US5944281A (en) * | 1998-03-09 | 1999-08-31 | The United States Of America As Represented By The Secretary Of The Army | Dual band millimeter-infrared fiber optics guidance data link |
US6098969A (en) * | 1998-08-17 | 2000-08-08 | Nagarajaiah; Satish | Structural vibration damper with continuously variable stiffness |
-
1998
- 1998-07-21 DE DE19832697A patent/DE19832697C2/de not_active Expired - Fee Related
-
1999
- 1999-07-15 IT IT1999MI001572A patent/IT1313175B1/it active
- 1999-07-20 FR FR9909410A patent/FR2781542B1/fr not_active Expired - Fee Related
- 1999-07-21 US US09/358,343 patent/US6427815B1/en not_active Expired - Lifetime
- 1999-07-21 GB GB9917142A patent/GB2339880B/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
GB2339880B (en) | 2002-06-26 |
ITMI991572A0 (it) | 1999-07-15 |
FR2781542A1 (fr) | 2000-01-28 |
US6427815B1 (en) | 2002-08-06 |
DE19832697A1 (de) | 2000-02-03 |
GB2339880A (en) | 2000-02-09 |
ITMI991572A1 (it) | 2001-01-15 |
FR2781542B1 (fr) | 2004-11-05 |
DE19832697C2 (de) | 2000-11-16 |
GB9917142D0 (en) | 1999-09-22 |
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