JPS6333570B2 - - Google Patents
Info
- Publication number
- JPS6333570B2 JPS6333570B2 JP54099806A JP9980679A JPS6333570B2 JP S6333570 B2 JPS6333570 B2 JP S6333570B2 JP 54099806 A JP54099806 A JP 54099806A JP 9980679 A JP9980679 A JP 9980679A JP S6333570 B2 JPS6333570 B2 JP S6333570B2
- Authority
- JP
- Japan
- Prior art keywords
- vibration absorber
- spring
- vibration
- mass
- pendulum
- 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
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
- B64C2027/005—Vibration damping devices using suspended masses
Landscapes
- Engineering & Computer Science (AREA)
- General 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 |
|---|---|---|---|
| US05/931,083 US4213518A (en) | 1978-08-04 | 1978-08-04 | Fixed position pendular-type vibration absorber with linearization at fixed or variable frequencies |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5524294A JPS5524294A (en) | 1980-02-21 |
| JPS6333570B2 true JPS6333570B2 (2) | 1988-07-06 |
Family
ID=25460200
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9980679A Granted JPS5524294A (en) | 1978-08-04 | 1979-08-03 | Damper |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US4213518A (2) |
| JP (1) | JPS5524294A (2) |
| CA (1) | CA1110668A (2) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4972930A (en) * | 1989-12-26 | 1990-11-27 | The Boeing Company | Dynamically adjustable rotary unbalance shaker |
| FR2680848B1 (fr) * | 1991-08-29 | 1995-03-17 | Aerospatiale Ste Nat Indle | Procede et dispositif pour filtrer les excitations vibratoires transmises entre deux pieces, notamment entre le rotor et le fuselage d'un helicoptere. |
| US5775472A (en) * | 1995-06-27 | 1998-07-07 | Honeywell Inc. | Multi-axis tuned mass damper |
| FR2792554B1 (fr) * | 1999-04-22 | 2001-06-29 | Vibrachoc Sa | Dispositif resonant, tel que batteur ou generateur d'efforts |
| DE102007000131A1 (de) * | 2007-03-07 | 2008-09-11 | Hilti Ag | Handwerkzeugmaschine mit pneumatischem Schlagwerk |
| CN103213686B (zh) * | 2013-04-24 | 2015-07-01 | 哈尔滨飞机工业集团有限责任公司 | 一种直升机机载设备吊挂结构 |
| CN108895208B (zh) * | 2018-08-03 | 2024-05-03 | 重庆君道消防安全技术股份公司 | 可变固定频率抗震支架 |
| CN109683639B (zh) * | 2018-12-06 | 2021-08-10 | 中国电子工程设计院有限公司 | 一种主动隔振的控制方法及装置 |
| US12060148B2 (en) | 2022-08-16 | 2024-08-13 | Honeywell International Inc. | Ground resonance detection and warning system and method |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3005520A (en) * | 1959-09-14 | 1961-10-24 | United Aircraft Corp | Vibration absorber |
| US3536165A (en) * | 1967-12-29 | 1970-10-27 | Boeing Co | Vibration absorber tuner |
| US3540809A (en) * | 1968-09-20 | 1970-11-17 | United Aircraft Corp | Vibration damped helicopter rotor |
| JPS5610202B2 (2) * | 1973-05-01 | 1981-03-06 |
-
1978
- 1978-08-04 US US05/931,083 patent/US4213518A/en not_active Expired - Lifetime
-
1979
- 1979-07-27 CA CA332,757A patent/CA1110668A/en not_active Expired
- 1979-08-03 JP JP9980679A patent/JPS5524294A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| US4213518A (en) | 1980-07-22 |
| CA1110668A (en) | 1981-10-13 |
| JPS5524294A (en) | 1980-02-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4365770A (en) | Fixed position variable frequency pendular-type vibration absorber | |
| US4550812A (en) | Fixed position, fixed frequency pendular-type vibration absorber with frequency linearization | |
| US6644590B2 (en) | Active system and method for vibration and noise reduction | |
| US8044629B2 (en) | Self-tuning vibration absorber | |
| JP3841450B2 (ja) | 質量ばね装置および振動慣性力発生器 | |
| JP4000342B2 (ja) | 振動吸収装置 | |
| US8496435B2 (en) | Helicopter rotor | |
| US4236607A (en) | Vibration suppression system | |
| US6695106B2 (en) | Method and apparatus for improved vibration isolation | |
| US8215606B2 (en) | Variable stiffness support | |
| EP2182238A2 (en) | Piezoelectric liquid inertia vibration eliminator | |
| JP5254248B2 (ja) | 構造物の振動制御装置 | |
| US8672262B2 (en) | Mechanically optimized liquid inertia vibration eliminator and aircraft pylon system | |
| US8746649B2 (en) | Variable stiffness support | |
| US4218187A (en) | Constant frequency bifilar vibration absorber | |
| JPS6333570B2 (2) | ||
| US12319406B2 (en) | Vibration isolation systems for compound helicopters | |
| US5568847A (en) | Device for providing a rigid mechanical link with frequency cut-off | |
| RU2668933C1 (ru) | Устройство для гашения колебаний | |
| US10562617B2 (en) | Rotor hub vibration attenuator | |
| GB2378230A (en) | A fluid inertia drag damper for rotary-wing aircraft rotor | |
| US20070089533A1 (en) | Compliant coupling force control system | |
| JPH05149365A (ja) | 能動的振動制御システムにおける弾性連接棒 | |
| US20180265187A1 (en) | Anti-vibration suspension device for a mechanical element, and an aircraft | |
| EP0008585B1 (en) | Vibration absorber and use thereof in a helicopter |