CA2282509A1 - Amortisseur sismique a fluide magnetorheologique - Google Patents

Amortisseur sismique a fluide magnetorheologique Download PDF

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Publication number
CA2282509A1
CA2282509A1 CA002282509A CA2282509A CA2282509A1 CA 2282509 A1 CA2282509 A1 CA 2282509A1 CA 002282509 A CA002282509 A CA 002282509A CA 2282509 A CA2282509 A CA 2282509A CA 2282509 A1 CA2282509 A1 CA 2282509A1
Authority
CA
Canada
Prior art keywords
damper
fluid
seismic damper
fluid chamber
seismic
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
CA002282509A
Other languages
English (en)
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
Individual
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 Individual filed Critical Individual
Publication of CA2282509A1 publication Critical patent/CA2282509A1/fr
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)

Abstract

L'invention concerne un amortisseur sismique magnétorhéologique (20) servant à appliquer des forces d'amortissement régulables entre un premier élément de structure (21) et un deuxième élément de structure (23), à l'intérieur de structures de grandes dimensions, par ex. des bâtiments, ponts, etc. Cet amortisseur sismique (20) comprend un corps amortisseur (22) présentant une cavité (30) et au moins une ouverture (28), au moins une tige de piston (24) coulissant dans l'ouverture (28), un ensemble piston (26) fixé à au moins une tige de piston (24) et pouvant se déplacer axialement à l'intérieur de ladite cavité (30) et subdivisant cette dernière (30) en une première chambre à fluide (32) et une deuxième chambre à fluide (34), un passage pouvant être commandé (36) afin de réguler l'écoulement entre la première chambre à fluide (32) et la deuxième chambre à fluide (34), un fluide magnétorhéologique (38) contenant des particules de matériau magnétique doux dispersées dans un liquide porteur contenu dans ledit passage (36), la première chambre à fluide (32) et la deuxième chambre à fluide (34), ainsi qu'une pluralité de bobines à enroulement alterné (40, 40', 40'') servant à générer une pluralité de champs magnétiques (39, 39', 39'') qui sont dirigés de façon à agir sur le fluide magnétorhéologique (38) contenu dans ledit passage (36) afin de produire des modifications rhéologiques et limiter ainsi l'écoulement du fluide magnétorhéologique (38) à travers ledit passage (36).
CA002282509A 1997-02-24 1997-02-24 Amortisseur sismique a fluide magnetorheologique Abandoned CA2282509A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US1997/002743 WO1998037339A1 (fr) 1997-02-24 1997-02-24 Amortisseur sismique a fluide magnetorheologique

Publications (1)

Publication Number Publication Date
CA2282509A1 true CA2282509A1 (fr) 1998-08-27

Family

ID=22260409

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002282509A Abandoned CA2282509A1 (fr) 1997-02-24 1997-02-24 Amortisseur sismique a fluide magnetorheologique

Country Status (4)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113074208A (zh) * 2021-03-16 2021-07-06 广西科技大学 一种复合式磁流变减振装置

Families Citing this family (10)

* 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 (zh) * 2004-12-11 2008-10-15 尹学军 阻尼器
JP4959699B2 (ja) * 2005-07-29 2012-06-27 ザ チャイニーズ ユニバーシティー オブ ホンコン 加圧磁気粘性流体ダンパー
FR2952985B1 (fr) * 2009-11-25 2012-01-13 Commissariat Energie Atomique Dispositif semi-actif en translation et en rotation
JP5750280B2 (ja) * 2011-03-07 2015-07-15 株式会社構造計画研究所 構造物の制振装置
CN104963985B (zh) * 2015-07-08 2016-11-23 华东交通大学 一种集成能量回收装置的磁流变阻尼器
CN109307038B (zh) * 2018-12-12 2019-09-03 上海大学 一种基于巨电流变液剪切阀式的多层极板的阻尼器

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS591829A (ja) * 1982-06-28 1984-01-07 Toyoda Gosei Co Ltd 液封入防振装置
JPS59142291A (ja) * 1983-02-04 1984-08-15 Alps Electric Co Ltd 電気接点用潤滑組成物
JPS59184004A (ja) * 1983-03-31 1984-10-19 Nhk Spring Co Ltd 車高調整装置
JPS61211545A (ja) * 1985-03-15 1986-09-19 Nippon Denso Co Ltd 磁性流体ダンパ
FR2579283B1 (fr) * 1985-03-19 1989-06-16 Renault Amortisseur de vibrations electromagnetique
US5029677A (en) * 1988-05-13 1991-07-09 Toa Nenryo Kogyo Kabushiki Kaisha Damping system for vibrating body
JPH04202499A (ja) * 1990-11-30 1992-07-23 Dow Corning Kk グリース組成物
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 (ja) * 1994-04-04 1995-10-24 Isuzu Motors Ltd バネ定数可変式トーションバー

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113074208A (zh) * 2021-03-16 2021-07-06 广西科技大学 一种复合式磁流变减振装置
CN113074208B (zh) * 2021-03-16 2022-03-15 广西科技大学 一种复合式磁流变减振装置

Also Published As

Publication number Publication date
WO1998037339A1 (fr) 1998-08-27
AU2134497A (en) 1998-09-09
JP2001507434A (ja) 2001-06-05

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Legal Events

Date Code Title Description
EEER Examination request
FZDE Discontinued