FR2402808A1 - Systeme d'isolation des vibrations - Google Patents
Systeme d'isolation des vibrationsInfo
- Publication number
- FR2402808A1 FR2402808A1 FR7826242A FR7826242A FR2402808A1 FR 2402808 A1 FR2402808 A1 FR 2402808A1 FR 7826242 A FR7826242 A FR 7826242A FR 7826242 A FR7826242 A FR 7826242A FR 2402808 A1 FR2402808 A1 FR 2402808A1
- Authority
- FR
- France
- Prior art keywords
- lever
- pivot
- vibration isolation
- pivot axis
- isolation system
- 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.)
- Granted
Links
Classifications
-
- 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
- F16F7/00—Vibration-dampers; Shock-absorbers
- F16F7/10—Vibration-dampers; Shock-absorbers using inertia effect
-
- 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
-
- 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
-
- 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
- Y10T74/00—Machine element or mechanism
- Y10T74/21—Elements
- Y10T74/2121—Flywheel, motion smoothing-type
- Y10T74/213—Damping by increasing frictional force
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Vibration Prevention Devices (AREA)
Abstract
Dispositif pour coupler un corps à une masse vibrante Il comporte au moins un levier lesté, un premier moyen de pivot reliant la masse vibrante audit levier autour d'un premier axe de pivot, un deuxième moyen de pivot reliant le corps audit. levier autour d'un deuxième axe de pivot décalé par rapport au premier axe de pivot sur la longueur du bras, l'un des axes de pivot étant situé pratiquement à une extrémité du levier, et des moyens élastiques, dont une extrémité est reliée à ladite extrémité du levier et dont l'autre extrémité est reliée à un point de fixation solidaire du corps. Hélicoptères.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/832,966 US4140028A (en) | 1977-09-13 | 1977-09-13 | Vibration isolation system |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2402808A1 true FR2402808A1 (fr) | 1979-04-06 |
FR2402808B1 FR2402808B1 (fr) | 1983-02-18 |
Family
ID=25263061
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7826242A Granted FR2402808A1 (fr) | 1977-09-13 | 1978-09-13 | Systeme d'isolation des vibrations |
Country Status (7)
Country | Link |
---|---|
US (1) | US4140028A (fr) |
JP (1) | JPS5453498A (fr) |
CA (1) | CA1082235A (fr) |
DE (2) | DE2839642C2 (fr) |
FR (1) | FR2402808A1 (fr) |
GB (2) | GB2004976B (fr) |
IT (1) | IT1098597B (fr) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0034092A1 (fr) * | 1980-02-05 | 1981-08-19 | Aerospatiale Societe Nationale Industrielle | Dispositif de suspension antirésonnante pour hélicoptère |
FR2499505A1 (fr) * | 1981-02-09 | 1982-08-13 | Aerospatiale | Dispositif simplifie de suspension antiresonnante pour helicoptere |
FR2503663A1 (fr) * | 1981-04-10 | 1982-10-15 | Aerospatiale | Dispositif de suspension antivibratoire pour helicoptere |
EP0088241A2 (fr) * | 1982-03-10 | 1983-09-14 | Nissan Motor Co., Ltd. | Structure pour monter un corps oscillant avec un mécanisme évitant la transmission des vibrations |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4365771A (en) * | 1979-02-26 | 1982-12-28 | Textron, Inc. | Inplane nodalization system |
US4420134A (en) * | 1980-10-27 | 1983-12-13 | Kaman Aerospace Corporation | Vibration isolator with crank driven inertia bar |
US4405101A (en) * | 1980-10-29 | 1983-09-20 | United Technologies Corp. | Vibration isolation system |
US5647726A (en) * | 1996-02-15 | 1997-07-15 | Bell Helicopter Textron Inc. | Rotor system vibration absorber |
US5947453A (en) * | 1996-12-18 | 1999-09-07 | Sikorsky Aircraft Corporation | Spring-mass vibration absorber |
US5924532A (en) * | 1997-06-19 | 1999-07-20 | Applied Power, Inc. | Temperature compensated passive vibration absorber |
FR2939409B1 (fr) * | 2008-12-08 | 2011-02-11 | Airbus France | Systeme de fixation entre deux composants tels qu'un moteur d'aeronef et son mat d'accrochage |
CN102858590B (zh) * | 2009-11-20 | 2015-09-30 | 哥伦比亚国防部空军 | 直升飞机飞行员座椅中的减振装置 |
US8534594B2 (en) | 2011-04-11 | 2013-09-17 | Gulfstream Aerospace Corporation | Vibration isolation system using electrical cables as mass |
US8732927B2 (en) | 2011-09-20 | 2014-05-27 | General Electric Company | Method for adjusting torsional frequency of a power train |
US20140209735A1 (en) * | 2013-01-29 | 2014-07-31 | Peter L. Corey | Rotary wing platform containment structure for vertical surface transfer |
CN103244596B (zh) * | 2013-05-03 | 2015-09-23 | 东北大学 | 模块化参数可调动力减振器及其参数给定方法 |
FR3010386B1 (fr) * | 2013-09-06 | 2017-01-06 | Eurocopter France | Dispositif de suspension antivibratoire d'un element mecanique et aeronef |
RU2600966C1 (ru) * | 2015-08-04 | 2016-10-27 | Валерий Туркубеевич Пчентлешев | Винтокрылый летательный аппарат |
WO2018067028A1 (fr) * | 2016-10-06 | 2018-04-12 | Валерий Туркубеевич ПЧЕНТЛЕШЕВ | Giravion |
CN109765022B (zh) * | 2019-01-16 | 2024-04-16 | 南京航空航天大学 | 一种直升机主减速器隔振系统试验装置 |
US11584521B2 (en) * | 2019-09-26 | 2023-02-21 | Textron Innovations Inc. | Pylon restraint system |
US12060148B2 (en) | 2022-08-16 | 2024-08-13 | Honeywell International Inc. | Ground resonance detection and warning system and method |
Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB381174A (en) * | 1929-07-30 | 1932-09-23 | Georg Heinrich Schieferstein | Device for balancing the action of forces and inertia |
GB890374A (en) * | 1959-06-26 | 1962-02-28 | William Smeaton Russell | Improvements to resilient mountings for instruments |
FR1457506A (fr) * | 1965-08-25 | 1966-01-24 | Kaman Aircraft Corp | Isolateur de vibrations |
FR2035019A1 (fr) * | 1969-03-18 | 1970-12-18 | Kaman Corp | |
US3698663A (en) * | 1970-12-07 | 1972-10-17 | Textron Inc | Rotary wing pylon mounting system |
FR2156749A1 (fr) * | 1971-10-18 | 1973-06-01 | Textron Inc | |
FR2227174A1 (fr) * | 1973-04-26 | 1974-11-22 | Westland Aircraft Ltd | |
FR2232481A1 (fr) * | 1973-06-08 | 1975-01-03 | Aerospatiale | |
US3858831A (en) * | 1973-12-26 | 1975-01-07 | Textron Inc | Nodal beam inertial flexure |
FR2363737A1 (fr) * | 1976-09-07 | 1978-03-31 | Boeing Co | Systeme d'isolation de vibrations |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1486763A (en) * | 1922-10-23 | 1924-03-11 | Joubert Lucien | Suspension device for automobiles or other vehicles |
US2744749A (en) * | 1952-06-11 | 1956-05-08 | Ludwik F Fiedor | Vehicle suspension mechanism |
US2833552A (en) * | 1955-09-26 | 1958-05-06 | Gen Motors Corp | Dynamic vibration damper |
US3322379A (en) * | 1964-11-03 | 1967-05-30 | Kaman Aircraft Corp | Dynamic antiresonant vibration isolator |
US3445080A (en) * | 1967-05-26 | 1969-05-20 | Kaman Corp | Dynamic antiresonant vibration isolator |
US3845917A (en) * | 1971-10-18 | 1974-11-05 | Textron Inc | Helicopter vibration isolation |
US3857534A (en) * | 1972-02-04 | 1974-12-31 | Textron Inc | Multi-frequency helicopter vibration isolation |
-
1977
- 1977-09-13 US US05/832,966 patent/US4140028A/en not_active Expired - Lifetime
-
1978
- 1978-09-06 CA CA310,748A patent/CA1082235A/fr not_active Expired
- 1978-09-12 DE DE2839642A patent/DE2839642C2/de not_active Expired
- 1978-09-12 DE DE2858292A patent/DE2858292C2/de not_active Expired - Fee Related
- 1978-09-13 IT IT27613/78A patent/IT1098597B/it active
- 1978-09-13 GB GB7836592A patent/GB2004976B/en not_active Expired
- 1978-09-13 JP JP11285078A patent/JPS5453498A/ja active Granted
- 1978-09-13 GB GB7917305A patent/GB2020781B/en not_active Expired
- 1978-09-13 FR FR7826242A patent/FR2402808A1/fr active Granted
Patent Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB381174A (en) * | 1929-07-30 | 1932-09-23 | Georg Heinrich Schieferstein | Device for balancing the action of forces and inertia |
GB890374A (en) * | 1959-06-26 | 1962-02-28 | William Smeaton Russell | Improvements to resilient mountings for instruments |
FR1457506A (fr) * | 1965-08-25 | 1966-01-24 | Kaman Aircraft Corp | Isolateur de vibrations |
FR2035019A1 (fr) * | 1969-03-18 | 1970-12-18 | Kaman Corp | |
US3698663A (en) * | 1970-12-07 | 1972-10-17 | Textron Inc | Rotary wing pylon mounting system |
FR2156749A1 (fr) * | 1971-10-18 | 1973-06-01 | Textron Inc | |
FR2227174A1 (fr) * | 1973-04-26 | 1974-11-22 | Westland Aircraft Ltd | |
FR2232481A1 (fr) * | 1973-06-08 | 1975-01-03 | Aerospatiale | |
US3858831A (en) * | 1973-12-26 | 1975-01-07 | Textron Inc | Nodal beam inertial flexure |
FR2363737A1 (fr) * | 1976-09-07 | 1978-03-31 | Boeing Co | Systeme d'isolation de vibrations |
US4088042A (en) * | 1976-09-07 | 1978-05-09 | The Boeing Company | Vibration isolation system |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0034092A1 (fr) * | 1980-02-05 | 1981-08-19 | Aerospatiale Societe Nationale Industrielle | Dispositif de suspension antirésonnante pour hélicoptère |
FR2499505A1 (fr) * | 1981-02-09 | 1982-08-13 | Aerospatiale | Dispositif simplifie de suspension antiresonnante pour helicoptere |
EP0058117A1 (fr) * | 1981-02-09 | 1982-08-18 | AEROSPATIALE Société Nationale Industrielle | Dispositif simplifié de suspension antirésonnante pour hélicoptère |
FR2503663A1 (fr) * | 1981-04-10 | 1982-10-15 | Aerospatiale | Dispositif de suspension antivibratoire pour helicoptere |
EP0063078A1 (fr) * | 1981-04-10 | 1982-10-20 | AEROSPATIALE Société Nationale Industrielle | Dispositif de suspension antivibratoire pour hélicoptère |
EP0088241A2 (fr) * | 1982-03-10 | 1983-09-14 | Nissan Motor Co., Ltd. | Structure pour monter un corps oscillant avec un mécanisme évitant la transmission des vibrations |
EP0088241A3 (en) * | 1982-03-10 | 1987-02-04 | Nissan Motor Co., Ltd. | Vibratory body mounting structure with a vibration-conduction preventing mechanism |
Also Published As
Publication number | Publication date |
---|---|
GB2020781A (en) | 1979-11-21 |
JPS5453498A (en) | 1979-04-26 |
FR2402808B1 (fr) | 1983-02-18 |
IT1098597B (it) | 1985-09-07 |
CA1082235A (fr) | 1980-07-22 |
JPS6333018B2 (fr) | 1988-07-04 |
IT7827613A0 (it) | 1978-09-13 |
GB2020781B (en) | 1982-05-19 |
US4140028A (en) | 1979-02-20 |
GB2004976B (en) | 1982-05-19 |
DE2858292C2 (fr) | 1990-04-26 |
DE2839642C2 (de) | 1987-02-05 |
GB2004976A (en) | 1979-04-11 |
DE2839642A1 (de) | 1979-03-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |