CA1149360A - Pylon mounting system for reducing helicopter vibration - Google Patents
Pylon mounting system for reducing helicopter vibrationInfo
- Publication number
- CA1149360A CA1149360A CA000346615A CA346615A CA1149360A CA 1149360 A CA1149360 A CA 1149360A CA 000346615 A CA000346615 A CA 000346615A CA 346615 A CA346615 A CA 346615A CA 1149360 A CA1149360 A CA 1149360A
- Authority
- CA
- Canada
- Prior art keywords
- pylon
- fuselage
- rotor
- mounting
- helicopter
- 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
- 230000033001 locomotion Effects 0.000 claims description 15
- 230000003534 oscillatory effect Effects 0.000 claims description 15
- 239000002131 composite material Substances 0.000 claims description 2
- 230000005284 excitation Effects 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 abstract description 24
- 230000008878 coupling Effects 0.000 abstract description 17
- 238000010168 coupling process Methods 0.000 abstract description 17
- 238000005859 coupling reaction Methods 0.000 abstract description 17
- 238000013016 damping Methods 0.000 description 11
- 230000010355 oscillation Effects 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 101100504379 Mus musculus Gfral gene Proteins 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000010006 flight Effects 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 230000036316 preload Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Vibration Prevention Devices (AREA)
- Pivots And Pivotal Connections (AREA)
- Sliding-Contact Bearings (AREA)
- Support Of The Bearing (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US1640379A | 1979-03-01 | 1979-03-01 | |
| US16,403 | 1979-03-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1149360A true CA1149360A (en) | 1983-07-05 |
Family
ID=21776951
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000346615A Expired CA1149360A (en) | 1979-03-01 | 1980-02-28 | Pylon mounting system for reducing helicopter vibration |
Country Status (12)
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2605448C (en) | 2005-04-27 | 2011-07-12 | Bell Helicopter Textron Inc. | Elastomeric spring-damper with integral stops |
| DE102009015806B4 (de) * | 2009-04-01 | 2013-04-04 | Otmar Birkner | Tragschrauber |
| CN109522636B (zh) * | 2018-11-09 | 2022-12-30 | 中国直升机设计研究所 | 一种用于直升机抗坠毁分析的轮式起落架简化方法 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US322379A (en) * | 1885-07-14 | Axel jorgensen | ||
| FR1334044A (fr) * | 1961-09-01 | 1963-08-02 | Maschf Augsburg Nuernberg Ag | Dispositif de suspension d'un moteur dans le châssis d'un véhicule routier ou ferroviaire |
| DE1269890B (de) * | 1963-09-26 | 1968-06-06 | Dornier Gmbh | Stabilisierungseinrichtung fuer Drehfluegelflugzeuge |
| US3690607A (en) * | 1970-02-16 | 1972-09-12 | Kenneth C Mard | Vibration isolation system |
| US4111386A (en) * | 1976-12-09 | 1978-09-05 | United Technologies Corporation | Helicopter rotor and transmission mounting and vibration isolation system |
-
1980
- 1980-02-22 GB GB8005968A patent/GB2043574B/en not_active Expired
- 1980-02-24 IL IL59460A patent/IL59460A/xx unknown
- 1980-02-26 DE DE19803007200 patent/DE3007200A1/de active Granted
- 1980-02-27 AU AU55937/80A patent/AU533359B2/en not_active Ceased
- 1980-02-28 IT IT48034/80A patent/IT1144041B/it active
- 1980-02-28 ES ES489030A patent/ES489030A0/es active Granted
- 1980-02-28 CA CA000346615A patent/CA1149360A/en not_active Expired
- 1980-02-29 MX MX808674U patent/MX6587E/es unknown
- 1980-02-29 BR BR8001223A patent/BR8001223A/pt not_active IP Right Cessation
- 1980-02-29 AR AR280143A patent/AR226172A1/es active
- 1980-03-01 JP JP2466380A patent/JPS55160700A/ja active Granted
- 1980-03-03 FR FR8004676A patent/FR2450200A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| IT8048034A0 (it) | 1980-02-28 |
| GB2043574B (en) | 1982-12-22 |
| FR2450200B1 (enrdf_load_stackoverflow) | 1984-08-03 |
| AU533359B2 (en) | 1983-11-17 |
| AR226172A1 (es) | 1982-06-15 |
| BR8001223A (pt) | 1980-11-04 |
| DE3007200A1 (de) | 1980-09-11 |
| IT1144041B (it) | 1986-10-29 |
| AU5593780A (en) | 1980-09-04 |
| JPH0253279B2 (enrdf_load_stackoverflow) | 1990-11-16 |
| FR2450200A1 (fr) | 1980-09-26 |
| ES8103707A1 (es) | 1981-02-16 |
| MX6587E (es) | 1985-07-26 |
| JPS55160700A (en) | 1980-12-13 |
| DE3007200C2 (enrdf_load_stackoverflow) | 1989-01-26 |
| ES489030A0 (es) | 1981-02-16 |
| IL59460A (en) | 1984-02-29 |
| GB2043574A (en) | 1980-10-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4362281A (en) | Pylon mounting system for reducing helicopter vibration | |
| US6189830B1 (en) | Tuned engine mounting system for jet aircraft | |
| CA2793576C (en) | Landing gear vibration absorber and method of operating said landing gear vibration absorber | |
| US8695917B2 (en) | Vibration damper mechanism, and a flying machine including a carrier structure and a rotor provided with such a mechanism | |
| US5228640A (en) | Device for the elastic coupling between two parts, and aircraft with rotating wings comprising said device | |
| KR101281162B1 (ko) | 플랩과 래그에 힌지식으로 연결된 블레이드를 갖는 회전익항공기의 로터 | |
| US3690607A (en) | Vibration isolation system | |
| EP1419089B1 (en) | Compact vibration cancellation device | |
| US4601639A (en) | Nodalized rotor | |
| CA2802152C (en) | Rotorcraft vibration suppression system in a four corner pylon mount configuration | |
| CN103195852B (zh) | 一种机械最优化的液体惯性减振器和飞行器塔式系统 | |
| US6494680B2 (en) | Rotor with rotor head vibration suppressor comprising vertical pendulums | |
| US4247061A (en) | Helicopter with stabilator detuned in antisymmetric vibration modes from main rotor wake excitation frequency | |
| JPH0159959B2 (enrdf_load_stackoverflow) | ||
| US4311213A (en) | Vibration isolation system | |
| US4766984A (en) | Nonlinear vibration absorber | |
| CA1149360A (en) | Pylon mounting system for reducing helicopter vibration | |
| US4239456A (en) | Rotor blade out-of-plane centrifugal pendulums | |
| US4428550A (en) | Vibration-insulating stability improving torque force device | |
| JPH0585490A (ja) | ２つの部材間の静的力の伝達と振動励起を減衰する連結装置 | |
| US3494706A (en) | In-plane out-of-plane flapping proprotor frequency decoupling | |
| EP3345829B1 (en) | Rotor assembly with high lock-number blades | |
| US2950768A (en) | Vibration absorbing system and method for rotary wing aircraft blades | |
| US11498667B2 (en) | Rotor for a hover-capable aircraft and method for containment of vibrations transmitted to the mast of a rotor of a hover-capable aircraft | |
| US11203417B2 (en) | Rotorcraft fitted with an antivibration system, and a method of adjusting such an antivibration system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |