FR2373443A1 - Rotor d'helicoptere, monture de transmission et systeme d'isolation contre les vibrations - Google Patents
Rotor d'helicoptere, monture de transmission et systeme d'isolation contre les vibrationsInfo
- Publication number
- FR2373443A1 FR2373443A1 FR7736967A FR7736967A FR2373443A1 FR 2373443 A1 FR2373443 A1 FR 2373443A1 FR 7736967 A FR7736967 A FR 7736967A FR 7736967 A FR7736967 A FR 7736967A FR 2373443 A1 FR2373443 A1 FR 2373443A1
- Authority
- FR
- France
- Prior art keywords
- rotor
- vibration isolation
- isolation system
- transmission
- helicopter rotor
- 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.)
- Withdrawn
Links
- 230000005540 biological transmission Effects 0.000 title abstract 4
- 238000002955 isolation Methods 0.000 title abstract 2
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
- B64C2027/002—Vibration damping devices mounted between the rotor drive and the fuselage
-
- 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)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Vibration Prevention Devices (AREA)
Abstract
L'invention concerne un rotor d'hélicoptère, une monture de transmission et un système d'isolation contre les vibrations. Le système de l'invention comprend un rotor principal 16, une transmission 14 supportant et entraînant ce rotor 16 pour tourner sur un axe de rotation 18, un fuselage 12, ainsi que plusieurs montures souples 20, 22 ayant des axes 50, 66 orientés sélectivement, assemblées au fuselage 12 et supportant la transmission 14 sur ce dernier. Le système de l'invention est utilisé pour réduire les forces transmises entre le rotor et le fuselage d'un hélicoptère, de même que pour atténuer les bruits à l'intérieur de ce dernier.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/749,131 US4111386A (en) | 1976-12-09 | 1976-12-09 | Helicopter rotor and transmission mounting and vibration isolation system |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2373443A1 true FR2373443A1 (fr) | 1978-07-07 |
Family
ID=25012393
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7736967A Withdrawn FR2373443A1 (fr) | 1976-12-09 | 1977-12-08 | Rotor d'helicoptere, monture de transmission et systeme d'isolation contre les vibrations |
Country Status (17)
Country | Link |
---|---|
US (1) | US4111386A (fr) |
JP (1) | JPS5378598A (fr) |
AU (1) | AU511090B2 (fr) |
BE (1) | BE861601A (fr) |
BR (1) | BR7708151A (fr) |
CA (1) | CA1066683A (fr) |
CH (1) | CH624899A5 (fr) |
DE (1) | DE2753892A1 (fr) |
DK (1) | DK547677A (fr) |
EG (1) | EG13105A (fr) |
FR (1) | FR2373443A1 (fr) |
GB (1) | GB1563166A (fr) |
IL (1) | IL53523A (fr) |
IT (1) | IT1088385B (fr) |
NL (1) | NL7713561A (fr) |
NO (1) | NO142515C (fr) |
PL (1) | PL119849B1 (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2449593A1 (fr) * | 1979-02-26 | 1980-09-19 | Textron Inc | Dispositif de suspension du fuselage a la transmission d'un helicoptere |
FR2450200A1 (fr) * | 1979-03-01 | 1980-09-26 | Textron Inc | Dispositif de montage du pylone dans un helicoptere |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4362281A (en) * | 1979-03-01 | 1982-12-07 | Textron, Inc. | Pylon mounting system for reducing helicopter vibration |
US4275992A (en) * | 1979-04-09 | 1981-06-30 | Textron, Inc. | Mode controlled attachment of rotor mounted components |
US4430045A (en) | 1979-04-24 | 1984-02-07 | Bell Helicopter Textron, Inc. | Helicopter power train for distributing rotor blade flapping displacements through a plurality of drive train components |
US4725019A (en) * | 1986-08-11 | 1988-02-16 | The Boeing Company | Aircraft engine mount with vertical vibration isolation |
DE3706379A1 (de) * | 1987-02-27 | 1988-09-08 | Porsche Ag | Aufhaengungssystem fuer ein antriebsaggregat eines hubschraubers |
US5641133A (en) * | 1994-05-11 | 1997-06-24 | Mcdonnell Douglas Helicopter Co. | Rotorcraft fuselage modal frequency placement using resilient mounting connections |
US5762295A (en) * | 1996-02-23 | 1998-06-09 | Lord Corporation | Dynamically optimized engine suspension system |
US5713438A (en) * | 1996-03-25 | 1998-02-03 | Lord Corporation | Method and apparatus for non-model based decentralized adaptive feedforward active vibration control |
US5716300A (en) * | 1996-05-01 | 1998-02-10 | Sikorsky Aircraft Corporation | Isolated ring gear for planetary gear drive systems |
US6199801B1 (en) * | 1997-12-01 | 2001-03-13 | Csa Engineering, Inc. | Whole-spacecraft passive isolation devices |
US6290183B1 (en) | 1999-10-19 | 2001-09-18 | Csa Engineering, Inc. | Three-axis, six degree-of-freedom, whole-spacecraft passive vibration isolation system |
US6644590B2 (en) | 2000-09-15 | 2003-11-11 | General Dynamics Advanced Information Systems, Inc. | Active system and method for vibration and noise reduction |
WO2002040347A2 (fr) * | 2000-09-27 | 2002-05-23 | Lord Corporation | Ensemble de montage pour groupe auxiliaire de bord et procede associe |
US7296766B2 (en) * | 2004-07-13 | 2007-11-20 | Sikorsky Aircraft Corporation | Lightweight structural damping assembly |
ATE551258T1 (de) * | 2008-10-21 | 2012-04-15 | Agustawestland Spa | Hubschrauber |
US8770513B2 (en) | 2011-11-30 | 2014-07-08 | Honeywell International Inc. | Resilient aircraft engine mounts and aircraft engine mounting systems including the same |
US8955809B2 (en) * | 2012-12-05 | 2015-02-17 | Hamilton Sundstrand Corporation | Three-way mount bracket for aircraft cabin air supply system |
EP2962935B1 (fr) | 2014-07-04 | 2016-09-21 | AGUSTAWESTLAND S.p.A. | Hélicoptère avec monture de transmission pour l'amortissement du bruit et des vibrations |
US10384790B2 (en) | 2016-02-01 | 2019-08-20 | Bell Textron Inc. | Engine mount assemblies for aircraft |
US10336459B2 (en) | 2016-02-01 | 2019-07-02 | Bell Helicopter Textron Inc. | Clamped splines for aircraft engine mount assemblies |
US10598251B2 (en) * | 2017-04-14 | 2020-03-24 | The Boeing Company | Vibration damping link and method therefore |
US20180372210A1 (en) * | 2017-06-26 | 2018-12-27 | Bell Helicopter Textron Inc. | Safety Bypass Valve |
US11167842B2 (en) * | 2017-10-10 | 2021-11-09 | Bell Helicopter Textron Inc. | Mount for supporting a component and attenuating noise |
Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2648509A (en) * | 1947-04-17 | 1953-08-11 | Lord Mfg Co | Vibration controller for a resilient mounting |
US2722391A (en) * | 1952-05-31 | 1955-11-01 | United Aircraft Corp | Engine mount |
US2761638A (en) * | 1953-11-17 | 1956-09-04 | Gordon L Getline | Vibration-isolating power plant mounting system |
US3163378A (en) * | 1963-08-27 | 1964-12-29 | Bell Aerospace Corp | Rotary wing aircraft pylon mounting |
FR2120131A1 (fr) * | 1970-12-29 | 1972-08-11 | Kawasaki Heavy Ind Ltd | |
DE2407957A1 (de) * | 1973-04-23 | 1974-11-07 | United Aircraft Corp | Flugsteuerung mit isoliertem getriebe |
FR2228662A1 (fr) * | 1973-05-08 | 1974-12-06 | Aerospatiale | |
FR2232481A1 (fr) * | 1973-06-08 | 1975-01-03 | Aerospatiale | |
US3863871A (en) * | 1973-05-14 | 1975-02-04 | Jr Daniel T Meisenheimer | Vibration isolation mounting assembly |
DE2447454A1 (de) * | 1973-10-09 | 1975-04-17 | Westland Aircraft Ltd | Bifilare vibrationsdaempfer |
FR2270144A1 (fr) * | 1974-05-09 | 1975-12-05 | Aerospatiale |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3858831A (en) * | 1973-12-26 | 1975-01-07 | Textron Inc | Nodal beam inertial flexure |
-
1976
- 1976-12-09 US US05/749,131 patent/US4111386A/en not_active Expired - Lifetime
-
1977
- 1977-12-02 IL IL53523A patent/IL53523A/xx unknown
- 1977-12-02 AU AU31168/77A patent/AU511090B2/en not_active Expired
- 1977-12-02 IT IT30312/77A patent/IT1088385B/it active
- 1977-12-02 PL PL1977202794A patent/PL119849B1/pl unknown
- 1977-12-02 DE DE19772753892 patent/DE2753892A1/de not_active Withdrawn
- 1977-12-06 CH CH1487777A patent/CH624899A5/de not_active IP Right Cessation
- 1977-12-07 NL NL7713561A patent/NL7713561A/xx not_active Application Discontinuation
- 1977-12-07 CA CA292,588A patent/CA1066683A/fr not_active Expired
- 1977-12-07 NO NO774171A patent/NO142515C/no unknown
- 1977-12-07 BE BE183251A patent/BE861601A/fr unknown
- 1977-12-08 DK DK547677A patent/DK547677A/da not_active Application Discontinuation
- 1977-12-08 FR FR7736967A patent/FR2373443A1/fr not_active Withdrawn
- 1977-12-08 BR BR7708151A patent/BR7708151A/pt unknown
- 1977-12-09 JP JP14869077A patent/JPS5378598A/ja active Pending
- 1977-12-09 GB GB51423/77A patent/GB1563166A/en not_active Expired
- 1977-12-10 EG EG681/77A patent/EG13105A/xx active
Patent Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2648509A (en) * | 1947-04-17 | 1953-08-11 | Lord Mfg Co | Vibration controller for a resilient mounting |
US2722391A (en) * | 1952-05-31 | 1955-11-01 | United Aircraft Corp | Engine mount |
US2761638A (en) * | 1953-11-17 | 1956-09-04 | Gordon L Getline | Vibration-isolating power plant mounting system |
US3163378A (en) * | 1963-08-27 | 1964-12-29 | Bell Aerospace Corp | Rotary wing aircraft pylon mounting |
FR2120131A1 (fr) * | 1970-12-29 | 1972-08-11 | Kawasaki Heavy Ind Ltd | |
DE2407957A1 (de) * | 1973-04-23 | 1974-11-07 | United Aircraft Corp | Flugsteuerung mit isoliertem getriebe |
FR2228662A1 (fr) * | 1973-05-08 | 1974-12-06 | Aerospatiale | |
US3863871A (en) * | 1973-05-14 | 1975-02-04 | Jr Daniel T Meisenheimer | Vibration isolation mounting assembly |
FR2232481A1 (fr) * | 1973-06-08 | 1975-01-03 | Aerospatiale | |
DE2447454A1 (de) * | 1973-10-09 | 1975-04-17 | Westland Aircraft Ltd | Bifilare vibrationsdaempfer |
FR2270144A1 (fr) * | 1974-05-09 | 1975-12-05 | Aerospatiale |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2449593A1 (fr) * | 1979-02-26 | 1980-09-19 | Textron Inc | Dispositif de suspension du fuselage a la transmission d'un helicoptere |
FR2450200A1 (fr) * | 1979-03-01 | 1980-09-26 | Textron Inc | Dispositif de montage du pylone dans un helicoptere |
Also Published As
Publication number | Publication date |
---|---|
PL119849B1 (en) | 1982-01-30 |
BR7708151A (pt) | 1978-08-15 |
CH624899A5 (fr) | 1981-08-31 |
NO142515C (no) | 1980-09-03 |
IT1088385B (it) | 1985-06-10 |
NO142515B (no) | 1980-05-27 |
NL7713561A (nl) | 1978-06-13 |
BE861601A (fr) | 1978-03-31 |
EG13105A (en) | 1980-12-31 |
GB1563166A (en) | 1980-03-19 |
JPS5378598A (en) | 1978-07-12 |
IL53523A (en) | 1982-11-30 |
PL202794A1 (pl) | 1978-07-31 |
DK547677A (da) | 1978-06-10 |
US4111386A (en) | 1978-09-05 |
DE2753892A1 (de) | 1978-06-15 |
NO774171L (no) | 1978-06-12 |
AU511090B2 (en) | 1980-07-24 |
AU3116877A (en) | 1979-06-07 |
CA1066683A (fr) | 1979-11-20 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR2373443A1 (fr) | Rotor d'helicoptere, monture de transmission et systeme d'isolation contre les vibrations | |
FR2416838A1 (fr) | Dispositif pour attenuer les vibrations d'un rotor de giravion | |
ES498135A0 (es) | Un dispositivo amortiguador de vibraciones torsionales, de dos etapas, para la transmision de un par entre miembros de accionamiento y amonado. | |
FR2450381A1 (fr) | Raccord souple perfectionne pour arbre d'entrainement | |
GB1457788A (en) | Assembly for connecting a rotor to a helicopter | |
JPS6430945A (en) | Split flywheel | |
FR2405367A1 (fr) | Turbine a gaz combinee pour engin volant ayant des caracteristiques v/stol | |
SE9304033D0 (sv) | Drivaggregat för båtar | |
JPS6470158A (en) | Drive means for centrifugal separator | |
FR2433673A1 (fr) | Ensemble amortisseur de vibrations a course etendue | |
DE68922453D1 (de) | Schwingungswellen-Antriebsanordnung. | |
ES8105455A1 (es) | Sistema de accionamiento para unidad equilibradora en moto- res de combustion interna | |
SE7711507L (sv) | Centrifug | |
EP0125675A3 (fr) | Dispositif rotatif d'étanchéité pour centrifuge à écoulement continu | |
ES8300977A1 (es) | Perfeccionamientos en un sistema de polea y correa para transmitir fuerza desde el ciguenal o eje primario de un motor de combustion interna, hasta uno o mas dispositivos auxiliares de fuerza. | |
FR2451501A1 (fr) | Dispositif de lubrification d'un palier et transmission l'utilisant | |
ES2026177T3 (es) | Motocompresor. | |
EP0229013A3 (fr) | Dispositif d'amortissement de vibrations pour moteur pas à pas | |
FR2442991A1 (fr) | Isolateur de vibrations | |
FR2400641A1 (fr) | Assemblage d'un arbre avec une manivelle | |
IT8421408A0 (it) | Regolatore centrifugo del numero di giri per motori endotermici. | |
AU513637B2 (en) | Damping vibrations ina centrifugal governor system | |
EP0046923A3 (fr) | Enveloppe pour réduire le bruit | |
SU1696644A1 (ru) | Вибропогружатель | |
FR2050159A5 (fr) |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |