DE69838495D1 - Hubschrauberrotorarm mit Magnetpartikeldämpfer - Google Patents
Hubschrauberrotorarm mit MagnetpartikeldämpferInfo
- Publication number
- DE69838495D1 DE69838495D1 DE69838495T DE69838495T DE69838495D1 DE 69838495 D1 DE69838495 D1 DE 69838495D1 DE 69838495 T DE69838495 T DE 69838495T DE 69838495 T DE69838495 T DE 69838495T DE 69838495 D1 DE69838495 D1 DE 69838495D1
- Authority
- DE
- Germany
- Prior art keywords
- conductors
- magnetic
- yoke member
- particle damper
- magnetic particle
- 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 - Lifetime
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/51—Damping of blade movements
-
- 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
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/03—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using magnetic or electromagnetic means
-
- 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
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/53—Means for adjusting damping characteristics by varying fluid viscosity, e.g. electromagnetically
- F16F9/535—Magnetorheological [MR] fluid dampers
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US842340 | 1986-03-21 | ||
US08/842,340 US5984056A (en) | 1997-04-24 | 1997-04-24 | Magnetic particle damper apparatus |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69838495D1 true DE69838495D1 (de) | 2007-11-08 |
DE69838495T2 DE69838495T2 (de) | 2008-06-26 |
Family
ID=34711930
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69838495T Expired - Lifetime DE69838495T2 (de) | 1997-04-24 | 1998-04-09 | Hubschrauberrotorarm mit Magnetpartikeldämpfer |
DE69830655T Expired - Lifetime DE69830655T2 (de) | 1997-04-24 | 1998-04-09 | Dämpfervorrichtung mit magnetischen partikeln |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69830655T Expired - Lifetime DE69830655T2 (de) | 1997-04-24 | 1998-04-09 | Dämpfervorrichtung mit magnetischen partikeln |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP1566563B1 (de) |
AT (1) | ATE298397T1 (de) |
DE (2) | DE69838495T2 (de) |
HK (1) | HK1026934A1 (de) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2021242B1 (de) | 2006-05-26 | 2011-04-20 | Lord Corporation | Drehführungsverzögerungsdämpfer für ein drehflügelflugzeug |
EP2197741B1 (de) | 2007-09-04 | 2015-03-04 | Lord Corporation | Rotordämpfer für hubschrauber |
DE102009034297A1 (de) | 2009-07-21 | 2011-02-03 | Inventus Engineering Gmbh | Einstellbares Ventil mit Übergangsbereich |
DE102009034296A1 (de) * | 2009-07-21 | 2011-02-03 | Dt Swiss Ag | Dämpfereinrichtung für ein Zweirad |
US9260185B2 (en) * | 2012-01-25 | 2016-02-16 | Textron Innovations Inc. | System and method of harvesting power with a rotor hub damper |
CN114439876B (zh) * | 2022-01-14 | 2023-05-16 | 清华大学 | 一种摩擦起电磁性液体阻尼减振器 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5610844A (en) * | 1979-07-02 | 1981-02-03 | Toyota Motor Corp | Feedback control system vibration absorbing suspension |
JPS5899532A (ja) * | 1981-12-07 | 1983-06-13 | Nissan Motor Co Ltd | シヨツクアブソ−バ |
FR2584996B1 (fr) * | 1985-07-22 | 1987-11-13 | Aerospatiale | Mat-moyeu integre et tete de rotor de giravion le comportant |
US5573088A (en) * | 1994-05-10 | 1996-11-12 | Daniels; John J. | Controllable resistance device and force dampener, and vehicle utilizing the same |
-
1998
- 1998-04-09 DE DE69838495T patent/DE69838495T2/de not_active Expired - Lifetime
- 1998-04-09 EP EP05002793A patent/EP1566563B1/de not_active Expired - Lifetime
- 1998-04-09 AT AT98914626T patent/ATE298397T1/de not_active IP Right Cessation
- 1998-04-09 DE DE69830655T patent/DE69830655T2/de not_active Expired - Lifetime
-
2000
- 2000-08-02 HK HK00104832A patent/HK1026934A1/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
ATE298397T1 (de) | 2005-07-15 |
DE69830655D1 (de) | 2005-07-28 |
DE69838495T2 (de) | 2008-06-26 |
HK1026934A1 (en) | 2000-12-29 |
EP1566563A1 (de) | 2005-08-24 |
EP1566563B1 (de) | 2007-09-26 |
DE69830655T2 (de) | 2006-05-11 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO1998048195A3 (en) | Magnetic particle damper apparatus | |
CA2078870C (en) | Electromagnetic actuator | |
EP1001512A3 (de) | Betätiger und Wandler | |
ATE61154T1 (de) | Polarisierte elektromagnetische betaetigungsvorrichtung. | |
EP0799520A1 (de) | Elektromagnetischer krafterzeuger | |
FR2554960B1 (fr) | Electro-aimant comprenant des culasses et une armature comportant un aimant permanent muni sur ses faces polaires, de pieces polaires debordant de l'axe de l'aimant, cet axe etant perpendiculaire a la direction du mouvement | |
DE69838495D1 (de) | Hubschrauberrotorarm mit Magnetpartikeldämpfer | |
JPH05296287A (ja) | 磁気ダンパ装置 | |
KR870006531A (ko) | 대물 렌즈 구동장치 | |
US4389101A (en) | Device for pivoting an optical element under electro-dynamic control | |
GB9021746D0 (en) | An engine | |
ES8601559A1 (es) | Dispositivo electromagnetico | |
JPS5825169B2 (ja) | 磁気ダンピングを利用した動的吸振器 | |
JPS55146636A (en) | Objective lens driver | |
JPH0587187A (ja) | 磁気ダンパ装置 | |
JPS56122107A (en) | Electromagnetic driving device | |
KR0122980Y1 (ko) | 보이스 코일모터 | |
JPS56122108A (en) | Electromagnetic driving device | |
Ge et al. | A high bandwidth low inertia motor for haptic rendering based on clutched eddy current effects | |
JPH0427130Y2 (de) | ||
SU1555725A1 (ru) | Волноводный переключатель | |
RU2153693C2 (ru) | Устройство для отклонения светового пучка | |
JPH04327042A (ja) | 並進形磁気ダンパ装置 | |
JPH0296932A (ja) | 対物レンズ駆動装置 | |
JPH0232749A (ja) | リニアアクチユエータ |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |