AU2134497A - Magnetorheological fluid seismic damper - Google Patents

Magnetorheological fluid seismic damper

Info

Publication number
AU2134497A
AU2134497A AU21344/97A AU2134497A AU2134497A AU 2134497 A AU2134497 A AU 2134497A AU 21344/97 A AU21344/97 A AU 21344/97A AU 2134497 A AU2134497 A AU 2134497A AU 2134497 A AU2134497 A AU 2134497A
Authority
AU
Australia
Prior art keywords
magnetorheological fluid
seismic damper
fluid seismic
damper
magnetorheological
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.)
Abandoned
Application number
AU21344/97A
Inventor
J. David Carlson
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Lord Corp
Original Assignee
Lord Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Lord Corp filed Critical Lord Corp
Publication of AU2134497A publication Critical patent/AU2134497A/en
Abandoned legal-status Critical Current

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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Mechanical Engineering (AREA)
  • Fluid-Damping Devices (AREA)
  • Vibration Prevention Devices (AREA)
  • Buildings Adapted To Withstand Abnormal External Influences (AREA)
AU21344/97A 1997-02-24 1997-02-24 Magnetorheological fluid seismic damper Abandoned AU2134497A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US1997/002743 WO1998037339A1 (en) 1997-02-24 1997-02-24 Magnetorheological fluid seismic damper

Publications (1)

Publication Number Publication Date
AU2134497A true AU2134497A (en) 1998-09-09

Family

ID=22260409

Family Applications (1)

Application Number Title Priority Date Filing Date
AU21344/97A Abandoned AU2134497A (en) 1997-02-24 1997-02-24 Magnetorheological fluid seismic damper

Country Status (4)

Country Link
JP (1) JP2001507434A (en)
AU (1) AU2134497A (en)
CA (1) CA2282509A1 (en)
WO (1) WO1998037339A1 (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6427813B1 (en) * 1997-08-04 2002-08-06 Lord Corporation Magnetorheological fluid devices exhibiting settling stability
US6394239B1 (en) 1997-10-29 2002-05-28 Lord Corporation Controllable medium device and apparatus utilizing same
US6547986B1 (en) 2000-09-21 2003-04-15 Lord Corporation Magnetorheological grease composition
US6722480B2 (en) * 2002-05-07 2004-04-20 Lord Corporation Magnetically actuated motion control device
CN100425860C (en) * 2004-12-11 2008-10-15 尹学军 Damper
KR101024124B1 (en) * 2005-07-29 2011-03-22 더 차이니즈 유니버시티 오브 홍콩 Pressurized magnetorheological fluid dampers
FR2952985B1 (en) * 2009-11-25 2012-01-13 Commissariat Energie Atomique SEMI-ACTIVE DEVICE IN TRANSLATION AND ROTATION
JP5750280B2 (en) * 2011-03-07 2015-07-15 株式会社構造計画研究所 Structure damping device
CN104963985B (en) * 2015-07-08 2016-11-23 华东交通大学 A kind of MR damper of integrated energy retracting device
CN109307038B (en) * 2018-12-12 2019-09-03 上海大学 A kind of damper of the multilayer pole plate based on giant electro-rheological liquid shearing valve type
CN113074208B (en) * 2021-03-16 2022-03-15 广西科技大学 Combined type magneto-rheological vibration damper

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS591829A (en) * 1982-06-28 1984-01-07 Toyoda Gosei Co Ltd Liquid-enclosing vibration-proof device
JPS59142291A (en) * 1983-02-04 1984-08-15 Alps Electric Co Ltd Lubricant composition for electric contact
JPS59184004A (en) * 1983-03-31 1984-10-19 Nhk Spring Co Ltd Car height adjuster
JPS61211545A (en) * 1985-03-15 1986-09-19 Nippon Denso Co Ltd Magnetic fluid damper
FR2579283B1 (en) * 1985-03-19 1989-06-16 Renault ELECTROMAGNETIC VIBRATION DAMPER
DE68917370T2 (en) * 1988-05-13 1995-03-30 Toa Nenryo Kogyo Kk Damping device for a rotating shaft.
JPH04202499A (en) * 1990-11-30 1992-07-23 Dow Corning Kk Grease composition
US5277281A (en) * 1992-06-18 1994-01-11 Lord Corporation Magnetorheological fluid dampers
US5354488A (en) * 1992-10-07 1994-10-11 Trw Inc. Fluid responsive to a magnetic field
JPH07276965A (en) * 1994-04-04 1995-10-24 Isuzu Motors Ltd Variable spring constant type torsion bar

Also Published As

Publication number Publication date
JP2001507434A (en) 2001-06-05
CA2282509A1 (en) 1998-08-27
WO1998037339A1 (en) 1998-08-27

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