JP6093612B2 - 磁気粘性流体緩衝器 - Google Patents
磁気粘性流体緩衝器 Download PDFInfo
- Publication number
- JP6093612B2 JP6093612B2 JP2013058515A JP2013058515A JP6093612B2 JP 6093612 B2 JP6093612 B2 JP 6093612B2 JP 2013058515 A JP2013058515 A JP 2013058515A JP 2013058515 A JP2013058515 A JP 2013058515A JP 6093612 B2 JP6093612 B2 JP 6093612B2
- Authority
- JP
- Japan
- Prior art keywords
- core
- piston
- diameter portion
- coil
- hole
- 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 - Fee Related
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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
- F16F9/3207—Constructional features
- F16F9/3214—Constructional features of pistons
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- 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
-
- 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
- F16F9/10—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using liquid only; using a fluid of which the nature is immaterial
- F16F9/14—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect
- F16F9/16—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect involving only straight-line movement of the effective parts
- F16F9/18—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect involving only straight-line movement of the effective parts with a closed cylinder and a piston separating two or more working spaces therein
- F16F9/19—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect involving only straight-line movement of the effective parts with a closed cylinder and a piston separating two or more working spaces therein with a single cylinder and of single-tube type
-
- 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
- F16F2222/00—Special physical effects, e.g. nature of damping effects
- F16F2222/06—Magnetic or electromagnetic
-
- 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
- F16F2224/00—Materials; Material properties
- F16F2224/04—Fluids
- F16F2224/045—Fluids magnetorheological
-
- 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
- F16F2228/00—Functional characteristics, e.g. variability, frequency-dependence
- F16F2228/06—Stiffness
- F16F2228/066—Variable stiffness
Description
10 シリンダ
11 流体室
12 流体室
20 ピストン
21 ピストンロッド
22 流路
23 バイパス流路
23a 第一貫通孔
23b 第二貫通孔
30 ピストンコア
30a 小径部
30b 拡径部
30c 大径部
30d 段部
31 第一コア
31e 雄ねじ
32 第二コア
33 コイルアセンブリ
33a コイル
35 フラックスリング(リング体)
36 ボルト(締結部材)
40 プレート
50 固定ナット(ストッパ)
50c 雌ねじ
Claims (2)
- 磁界の作用によって粘性が変化する磁気粘性流体が封入されるシリンダと、
前記シリンダ内に摺動自在に配置され、前記シリンダ内に一対の流体室を画成するピストンと、
前記ピストンに連結されて前記シリンダの外部へ延在するピストンロッドと、を備える磁気粘性流体緩衝器であって、
前記ピストンは、
前記ピストンロッドの端部に取り付けられる小径部と、前記小径部と比較して大径に軸方向に連続して形成され前記小径部との間に段部を形成する拡径部と、前記拡径部と比較して大径に軸方向に連続して形成され外周にコイルが設けられる大径部と、を有するピストンコアと、
前記ピストンコアの外周を取り囲み、前記大径部との間に磁気粘性流体の流路を形成するリング体と、
環状に形成されて前記小径部の外周に配置され、前記リング体の一端に取り付けられるプレートと、
前記小径部に取り付けられ、前記段部との間に前記プレートを挟持するストッパと、を備え、
前記ピストンコアは、
前記ピストンロッドの端部に取り付けられ、前記小径部と前記拡径部と前記大径部の一部とを形成する第一コアと、
前記コイルが外周に設けられ、前記大径部の一部を形成するコイルアセンブリと、
前記大径部の一部を形成し、前記第一コアとの間に前記コイルアセンブリを挟持する第二コアと、
前記第二コアと前記コイルアセンブリとを前記第一コアに締結する締結部材と、
前記コイルが発生する磁場の影響が前記流路と比較して小さい位置に軸方向に貫通して形成されるバイパス流路と、を備え、
前記バイパス流路は、
前記第一コアに形成され、その穴径によって減衰特性が設定される第一貫通孔と、
前記第二コアに形成され、前記第一貫通孔と比較して大径に形成される第二貫通孔と、
を有することを特徴とする磁気粘性流体緩衝器。 - 前記小径部の外周には雄ねじが形成され、
前記ストッパは、その内周に前記雄ねじと螺合する雌ねじが形成され、前記小径部に螺着されることを特徴とする請求項1に記載の磁気粘性流体緩衝器。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013058515A JP6093612B2 (ja) | 2013-03-21 | 2013-03-21 | 磁気粘性流体緩衝器 |
US14/442,483 US9797465B2 (en) | 2013-03-21 | 2014-03-10 | Magnetorheological fluid shock absorber |
EP14770844.0A EP2902658B1 (en) | 2013-03-21 | 2014-03-10 | Magnetorheological fluid damper |
PCT/JP2014/056160 WO2014148292A1 (ja) | 2013-03-21 | 2014-03-10 | 磁気粘性流体緩衝器 |
CN201480002899.9A CN104755796A (zh) | 2013-03-21 | 2014-03-10 | 磁粘滞性流体缓冲器 |
KR1020157010666A KR101675704B1 (ko) | 2013-03-21 | 2014-03-10 | 자기 점성 유체 완충기 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013058515A JP6093612B2 (ja) | 2013-03-21 | 2013-03-21 | 磁気粘性流体緩衝器 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2014181807A JP2014181807A (ja) | 2014-09-29 |
JP6093612B2 true JP6093612B2 (ja) | 2017-03-08 |
Family
ID=51579979
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2013058515A Expired - Fee Related JP6093612B2 (ja) | 2013-03-21 | 2013-03-21 | 磁気粘性流体緩衝器 |
Country Status (6)
Country | Link |
---|---|
US (1) | US9797465B2 (ja) |
EP (1) | EP2902658B1 (ja) |
JP (1) | JP6093612B2 (ja) |
KR (1) | KR101675704B1 (ja) |
CN (1) | CN104755796A (ja) |
WO (1) | WO2014148292A1 (ja) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6093837B1 (ja) * | 2015-11-19 | 2017-03-08 | Kyb株式会社 | 磁気粘性流体緩衝器 |
JP6088674B1 (ja) * | 2016-01-12 | 2017-03-01 | Kyb株式会社 | 磁気粘性流体緩衝器 |
FR3073494B1 (fr) * | 2017-11-15 | 2019-12-13 | Safran Landing Systems | Procede de manoeuvre d'un atterrisseur d'aeronef entre une position retractee et une position deployee |
KR102061974B1 (ko) * | 2018-07-03 | 2020-01-02 | 뉴모텍(주) | Mr 댐퍼의 피스톤 구조 |
CN112923125B (zh) * | 2021-02-05 | 2022-05-27 | 广西科技大学 | 一种混合圆环增强式磁流变阀装置 |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5277281A (en) * | 1992-06-18 | 1994-01-11 | Lord Corporation | Magnetorheological fluid dampers |
US6311810B1 (en) * | 1999-10-21 | 2001-11-06 | Delphi Technologies, Inc. | Magnetorheological fluid damper |
US6419058B1 (en) * | 2001-03-30 | 2002-07-16 | Delphi Technologies, Inc. | Magnetorheological damper with piston bypass |
US6981577B2 (en) * | 2003-03-31 | 2006-01-03 | Kabushiki Kaisha Hitachi Seisakusho | Controlling damping force shock absorber |
US7958979B2 (en) * | 2007-01-05 | 2011-06-14 | Honda Motor Co., Ltd. | Variable damper |
JP4976861B2 (ja) * | 2007-01-22 | 2012-07-18 | カヤバ工業株式会社 | 磁気粘性流体緩衝器の製造方法 |
US8141689B2 (en) * | 2007-10-09 | 2012-03-27 | Bwi Company Limited S.A. | Magnetorheological (MR) piston ring with lubricating grooves |
US8051961B2 (en) * | 2007-10-30 | 2011-11-08 | Honda Motor Co., Ltd. | Magneto-rheological damper |
JP4654236B2 (ja) * | 2007-12-18 | 2011-03-16 | 本田技研工業株式会社 | 減衰力可変ダンパ |
US8286763B2 (en) * | 2008-01-29 | 2012-10-16 | Bwi Company Limited S.A. | Magnetorheological fluid-based device having a magnetorheological piston assembly |
JP2009216210A (ja) * | 2008-03-12 | 2009-09-24 | Honda Motor Co Ltd | 減衰力可変ダンパ |
JP2009228861A (ja) * | 2008-03-25 | 2009-10-08 | Kayaba Ind Co Ltd | 緩衝器 |
CN103644238A (zh) * | 2008-06-02 | 2014-03-19 | 洛德公司 | 具有增大的开启屈服强度的磁流变流体阻尼器 |
CN101709761B (zh) * | 2009-12-23 | 2011-07-06 | 重庆仪表材料研究所 | 一种单出杆磁流变阻尼器 |
CN102121509B (zh) * | 2010-12-09 | 2013-01-23 | 重庆大学 | 同时具有圆环形和圆盘形液流阻力通道的磁流变阻尼器 |
CN102011826A (zh) * | 2011-01-07 | 2011-04-13 | 中国电力科学研究院 | 一种限位型输电杆塔减振阻尼器 |
-
2013
- 2013-03-21 JP JP2013058515A patent/JP6093612B2/ja not_active Expired - Fee Related
-
2014
- 2014-03-10 KR KR1020157010666A patent/KR101675704B1/ko active IP Right Grant
- 2014-03-10 WO PCT/JP2014/056160 patent/WO2014148292A1/ja active Application Filing
- 2014-03-10 CN CN201480002899.9A patent/CN104755796A/zh active Pending
- 2014-03-10 EP EP14770844.0A patent/EP2902658B1/en not_active Not-in-force
- 2014-03-10 US US14/442,483 patent/US9797465B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US9797465B2 (en) | 2017-10-24 |
US20160273606A1 (en) | 2016-09-22 |
KR20150063108A (ko) | 2015-06-08 |
EP2902658A1 (en) | 2015-08-05 |
CN104755796A (zh) | 2015-07-01 |
EP2902658B1 (en) | 2018-12-19 |
EP2902658A4 (en) | 2016-06-29 |
WO2014148292A1 (ja) | 2014-09-25 |
JP2014181807A (ja) | 2014-09-29 |
KR101675704B1 (ko) | 2016-11-11 |
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