DE69808651D1 - Schwingungsdämpfer für drehflügelflugzeuge - Google Patents
Schwingungsdämpfer für drehflügelflugzeugeInfo
- Publication number
- DE69808651D1 DE69808651D1 DE69808651T DE69808651T DE69808651D1 DE 69808651 D1 DE69808651 D1 DE 69808651D1 DE 69808651 T DE69808651 T DE 69808651T DE 69808651 T DE69808651 T DE 69808651T DE 69808651 D1 DE69808651 D1 DE 69808651D1
- Authority
- DE
- Germany
- Prior art keywords
- vibration damper
- rotating wing
- wing planes
- planes
- rotating
- 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
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
- B64C27/04—Helicopters
- B64C27/12—Rotor drives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C7/00—Structures or fairings not otherwise provided for
-
- 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
-
- 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
-
- 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
- F16F15/14—Suppression of vibrations in rotating systems by making use of members moving with the system using masses freely rotating with the system, i.e. uninvolved in transmitting driveline torque, e.g. rotative dynamic dampers
- F16F15/1407—Suppression of vibrations in rotating systems by making use of members moving with the system using masses freely rotating with the system, i.e. uninvolved in transmitting driveline torque, e.g. rotative dynamic dampers the rotation being limited with respect to the driving means
- F16F15/1414—Masses driven by elastic elements
- F16F15/1421—Metallic springs, e.g. coil or spiral springs
- F16F15/1428—Metallic springs, e.g. coil or spiral springs with a single mass
-
- 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
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S416/00—Fluid reaction surfaces, i.e. impellers
- Y10S416/50—Vibration damping features
Landscapes
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Vibration Prevention Devices (AREA)
- Springs (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/919,928 US5954480A (en) | 1997-08-28 | 1997-08-28 | Vibration isolator for rotorcraft |
PCT/US1998/017140 WO1999010233A2 (en) | 1997-08-28 | 1998-08-18 | Vibration isolator for rotorcraft |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69808651D1 true DE69808651D1 (de) | 2002-11-14 |
DE69808651T2 DE69808651T2 (de) | 2003-02-06 |
Family
ID=25442881
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69808651T Expired - Fee Related DE69808651T2 (de) | 1997-08-28 | 1998-08-18 | Schwingungsdämpfer für drehflügelflugzeuge |
Country Status (6)
Country | Link |
---|---|
US (1) | US5954480A (de) |
EP (1) | EP1007406B1 (de) |
JP (1) | JP2002500119A (de) |
DE (1) | DE69808651T2 (de) |
TW (1) | TW368487B (de) |
WO (1) | WO1999010233A2 (de) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6318527B1 (en) * | 1999-12-03 | 2001-11-20 | Sikorsky Aircraft Corporation | Inertial vibration isolator spring for helicopter |
US8834027B2 (en) | 2011-01-13 | 2014-09-16 | Fouad Y. Zeidan | Damper having modular flexible ligaments and variable gaps |
EP1395488B1 (de) * | 2001-04-19 | 2009-07-29 | Bell Helicopter Textron Inc. | Rotorsystemschwingungsdämpfer |
US7607607B2 (en) * | 2005-05-26 | 2009-10-27 | Sikorsky Aircraft Corporation | De-rotation system suitable for use with a shaft fairing system |
US7621480B2 (en) * | 2005-05-26 | 2009-11-24 | Sikorsky Aircraft Corporation | De-rotation system for a counter-rotating, coaxial rotor hub shaft fairing |
US7229251B2 (en) * | 2005-05-31 | 2007-06-12 | Sikorsky Aircraft Corporation | Rotor hub fairing system for a counter-rotating, coaxial rotor system |
US10808756B2 (en) | 2007-04-13 | 2020-10-20 | Waukesha Bearings Corporation | Compliant bearing |
US8845196B2 (en) | 2007-04-13 | 2014-09-30 | Jongsoo Kim | Compliant bearing |
US8678658B2 (en) | 2007-04-13 | 2014-03-25 | Waukesha Bearings Corporation | Tilting pad bearing |
EP2227641B1 (de) * | 2007-12-03 | 2016-07-20 | Sikorsky Aircraft Corporation | Magnetisches entdrehungssystem für ein wellenverkleidungssystem |
WO2009088491A2 (en) | 2008-01-02 | 2009-07-16 | Sikorsky Aircraft Corporation | Planetary de-rotation system for a shaft fairing system |
CA2764781A1 (en) * | 2009-06-08 | 2010-12-16 | Waukesha Bearings Corporation | Bi-directional rotation offset pivot thrust bearing |
FR2951698B1 (fr) | 2009-10-27 | 2012-03-30 | Eurocopter France | Dispositif pour reduire les vibrations engendrees par un rotor d'un giravion, et giravion muni d'un tel dispositif |
FR2959484B1 (fr) | 2010-04-30 | 2012-11-09 | Eurocopter France | Dispositif pour reduire les vibrations engendrees par un rotor de sustentation d'un giravion, et moyeu d'un rotor muni d'un tel dispositif. |
US20150122941A1 (en) * | 2013-11-06 | 2015-05-07 | Sikorsky Aircraft Corporation | Counter-rotating rotor system with fairing |
US10562617B2 (en) * | 2016-03-14 | 2020-02-18 | Bell Helicopter Textron Inc. | Rotor hub vibration attenuator |
WO2017209827A2 (en) * | 2016-03-14 | 2017-12-07 | Bell Helicopter Textron Inc. | Rotor hub vibration attenuator |
DE102018214789B4 (de) * | 2018-08-30 | 2021-02-04 | Zf Friedrichshafen Ag | Riemenantriebsanordnung für einen Antriebsstrang eines Hubschraubers |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1803937A (en) * | 1929-01-30 | 1931-05-05 | Gen Motors Corp | Cushion connection |
US2473335A (en) * | 1946-06-19 | 1949-06-14 | Schwitzer Cummins Company | Vibration damper |
US3056456A (en) * | 1960-01-27 | 1962-10-02 | United Aircraft Corp | Rotor head fairing |
GB1217506A (en) * | 1967-12-12 | 1970-12-31 | Holset Engineering Co | Torsional vibration damper |
US3540809A (en) * | 1968-09-20 | 1970-11-17 | United Aircraft Corp | Vibration damped helicopter rotor |
GB1465266A (en) * | 1973-04-26 | 1977-02-23 | Westland Aircraft Ltd | Rotors for rotary wing aircraft |
US4057363A (en) * | 1975-11-20 | 1977-11-08 | United Technologies Corporation | Extended arm bifilar and method to eliminate second order vibration excitation |
GB1528057A (en) * | 1976-01-20 | 1978-10-11 | Westland Aircraft Ltd | Vibration absorbers |
US4046230A (en) * | 1976-07-14 | 1977-09-06 | Houdaille Industries, Inc. | Tuned torsional viscous dampers |
US4212588A (en) * | 1978-05-11 | 1980-07-15 | United Technologies Corporation | Simplified rotor head fairing |
US4225287A (en) * | 1978-11-06 | 1980-09-30 | Westland Aircraft Limited | Vibration absorber for helicopter |
US4596513A (en) * | 1985-01-10 | 1986-06-24 | United Technologies Corporation | Helicopter air-spring vibration absorber |
US5372478A (en) * | 1993-02-04 | 1994-12-13 | The Boeing Company | Helicopter rotor damper |
US5647726A (en) * | 1996-02-15 | 1997-07-15 | Bell Helicopter Textron Inc. | Rotor system vibration absorber |
-
1997
- 1997-08-28 US US08/919,928 patent/US5954480A/en not_active Expired - Fee Related
-
1998
- 1998-08-18 DE DE69808651T patent/DE69808651T2/de not_active Expired - Fee Related
- 1998-08-18 JP JP2000507578A patent/JP2002500119A/ja active Pending
- 1998-08-18 WO PCT/US1998/017140 patent/WO1999010233A2/en active IP Right Grant
- 1998-08-18 EP EP98958440A patent/EP1007406B1/de not_active Expired - Lifetime
- 1998-08-27 TW TW087114209A patent/TW368487B/zh active
Also Published As
Publication number | Publication date |
---|---|
JP2002500119A (ja) | 2002-01-08 |
TW368487B (en) | 1999-09-01 |
EP1007406B1 (de) | 2002-10-09 |
DE69808651T2 (de) | 2003-02-06 |
EP1007406A2 (de) | 2000-06-14 |
WO1999010233A2 (en) | 1999-03-04 |
WO1999010233A3 (en) | 1999-05-06 |
US5954480A (en) | 1999-09-21 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE69631871D1 (de) | Schwingungsdämpfer für Hubschrauberrotor-System | |
DE69627915D1 (de) | Schwingungsdämpfer für Turbinenschaufeln | |
DE69808651D1 (de) | Schwingungsdämpfer für drehflügelflugzeuge | |
DE19980504D2 (de) | Torsionsschwingungsdämpfer | |
BR9703876A (pt) | Amortecedores de vibracôes de torção | |
DE69722154D1 (de) | Schwingungsdämpfer für einachsige Parallelbewegung | |
DE69601892D1 (de) | Schwingungsdämpfer-Vorrichtung für einen Hubschrauberrotor | |
BR9503028A (pt) | Amortecedor de vibrações de torção | |
DE59814300D1 (de) | Mechanischer Torsionsschwingungsdämpfer | |
DE59600750D1 (de) | Schwingungsdämpfung für Turbinenschaufeln | |
DE69825715D1 (de) | Schwingungstilger | |
IT1307703B1 (it) | Smorzatore di vibrazioni | |
BR9704416A (pt) | Amortecedor de vibrações de torção | |
BR9500361A (pt) | Amortecedor de vibrações de torção | |
DE69701345D1 (de) | Schwingungsdämpfer, insbesondere für Hubschrauberrotor | |
DE59706274D1 (de) | Torsionsschwingungsdämpfer | |
BR9501116A (pt) | Amortecedor de vibração de torção | |
DE69923955D1 (de) | Schwingungsdämpfende elastische aufhängung für trägheitsmesseinheit | |
DE69508227D1 (de) | Rotationsschwingungsdämpfer | |
DE19980857D2 (de) | Torsionsschwingungsdämpfer | |
BR9701623A (pt) | Amortecedor de vibração giratório | |
DE69521787D1 (de) | Vordämpfungsanlage für rotationsschwingungen | |
DE69525419D1 (de) | Vibrationskreisel | |
DE59813363D1 (de) | Torsionsschwingungsdämpfer | |
FR2723626B1 (fr) | Douille amortissant les vibrations |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |