JP6071130B2 - 磁気粘性流体緩衝器 - Google Patents
磁気粘性流体緩衝器 Download PDFInfo
- Publication number
- JP6071130B2 JP6071130B2 JP2013058518A JP2013058518A JP6071130B2 JP 6071130 B2 JP6071130 B2 JP 6071130B2 JP 2013058518 A JP2013058518 A JP 2013058518A JP 2013058518 A JP2013058518 A JP 2013058518A JP 6071130 B2 JP6071130 B2 JP 6071130B2
- Authority
- JP
- Japan
- Prior art keywords
- piston
- core
- diameter portion
- plate
- magnetorheological fluid
- 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.)
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Links
- 239000012530 fluid Substances 0.000 title claims description 55
- 239000006096 absorbing agent Substances 0.000 title claims description 33
- 230000035939 shock Effects 0.000 title claims description 33
- 239000002184 metal Substances 0.000 claims description 20
- 229910052751 metal Inorganic materials 0.000 claims description 20
- 238000005219 brazing Methods 0.000 claims description 11
- 230000002093 peripheral effect Effects 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 4
- 239000011553 magnetic fluid Substances 0.000 claims 1
- 230000004907 flux Effects 0.000 description 56
- 238000013016 damping Methods 0.000 description 8
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000696 magnetic material Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005307 ferromagnetism Effects 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 238000009751 slip forming Methods 0.000 description 1
Images
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
-
- 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
-
- 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
- F16F15/005—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion using electro- or magnetostrictive actuation 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
- 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
- F16F2226/00—Manufacturing; Treatments
- F16F2226/04—Assembly or fixing methods; methods to form or fashion parts
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Fluid-Damping Devices (AREA)
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
30 ピストンコア
30a 小径部
30c 大径部
30d 段部
31 第一コア
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)
35a 一端
35c 小径部
35d 先端部
35e 外周面
35f 基端部
40 プレート
40b 鍔部
40c 先端部
40d 内面
40e 内周面
50 固定ナット(ストッパ)
60 金属層
61 隙間
Claims (4)
- 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、外周にコイルが設けられるピストンコアと、
前記ピストンコアの外周を取り囲み、前記ピストンコア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ピストンロッドの外周に配置され、前記リング体の一端にロウ付けによる金属層によって接合されるプレートと、
前記ピストンコアとの間に前記プレートを挟持するストッパと、を備え、
前記リング体は、一端に当該リング体の他の部分と比較して小径に形成される小径部を有し、
前記プレートは、軸方向に突起して環状に形成され前記小径部に嵌合して接合される鍔部を有し、
前記鍔部の先端部と前記小径部の基端部との間には前記ロウ付けのロウ材を流し込むための隙間が形成されることを特徴とする磁気粘性流体緩衝器。 - 前記リング体は、前記小径部の先端部が前記プレートの内面と当接することによって軸方向の位置が規定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。
- 前記リング体は、前記小径部の外周面と前記鍔部の内周面との間と、前記小径部の先端部と前記プレートの内面との間と、の少なくともいずれか一方に形成される前記金属層によって前記プレートに接合されることを特徴とする請求項2に記載の磁気粘性流体緩衝器。
- 前記金属層は、銅系金属で形成されることを特徴とする請求項1から3のいずれか一つに記載の磁気粘性流体緩衝器。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013058518A JP6071130B2 (ja) | 2013-03-21 | 2013-03-21 | 磁気粘性流体緩衝器 |
EP14767999.7A EP2902656A4 (en) | 2013-03-21 | 2014-03-10 | MAGNETORHEOLOGICAL FLUID DAMPER |
CN201480002918.8A CN104769310A (zh) | 2013-03-21 | 2014-03-10 | 磁粘滞性流体缓冲器 |
PCT/JP2014/056175 WO2014148296A1 (ja) | 2013-03-21 | 2014-03-10 | 磁気粘性流体緩衝器 |
KR1020157010664A KR101684817B1 (ko) | 2013-03-21 | 2014-03-10 | 자기 점성 유체 완충기 |
US14/440,604 US9689456B2 (en) | 2013-03-21 | 2014-03-10 | Magnetorheological fluid shock absorber |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013058518A JP6071130B2 (ja) | 2013-03-21 | 2013-03-21 | 磁気粘性流体緩衝器 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2014181808A JP2014181808A (ja) | 2014-09-29 |
JP6071130B2 true JP6071130B2 (ja) | 2017-02-01 |
Family
ID=51579983
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2013058518A Active JP6071130B2 (ja) | 2013-03-21 | 2013-03-21 | 磁気粘性流体緩衝器 |
Country Status (6)
Country | Link |
---|---|
US (1) | US9689456B2 (ja) |
EP (1) | EP2902656A4 (ja) |
JP (1) | JP6071130B2 (ja) |
KR (1) | KR101684817B1 (ja) |
CN (1) | CN104769310A (ja) |
WO (1) | WO2014148296A1 (ja) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2017053410A (ja) * | 2015-09-08 | 2017-03-16 | Kyb株式会社 | 磁気粘性流体緩衝器 |
JP2017053409A (ja) * | 2015-09-08 | 2017-03-16 | Kyb株式会社 | 磁気粘性流体緩衝器 |
JP2017061979A (ja) * | 2015-09-24 | 2017-03-30 | Kyb株式会社 | 磁気粘性流体緩衝器 |
JP2017067128A (ja) * | 2015-09-29 | 2017-04-06 | Kyb株式会社 | 磁気粘性流体緩衝器 |
JP6093837B1 (ja) * | 2015-11-19 | 2017-03-08 | Kyb株式会社 | 磁気粘性流体緩衝器 |
US10455318B2 (en) * | 2017-05-03 | 2019-10-22 | Honeywell International Inc. | Earmuff with electroacoustic shock absorber |
KR102061974B1 (ko) * | 2018-07-03 | 2020-01-02 | 뉴모텍(주) | Mr 댐퍼의 피스톤 구조 |
JP2022133520A (ja) * | 2021-03-02 | 2022-09-14 | 本田技研工業株式会社 | サスペンション装置 |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6095486A (en) * | 1997-03-05 | 2000-08-01 | Lord Corporation | Two-way magnetorheological fluid valve assembly and devices utilizing same |
US6390252B1 (en) * | 1999-09-13 | 2002-05-21 | Delphi Technologies, Inc. | Magnetorheological fluid damper with optimum damping |
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 |
EP1270988B1 (en) * | 2001-06-19 | 2005-07-27 | Delphi Technologies, Inc. | Magnetorheological fluid damper |
JP4660432B2 (ja) * | 2006-06-23 | 2011-03-30 | カヤバ工業株式会社 | 減衰力可変型緩衝器 |
JP2008175248A (ja) * | 2007-01-17 | 2008-07-31 | Honda Motor Co Ltd | ダンパ装置 |
JP4976862B2 (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 |
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 |
JP2009216206A (ja) * | 2008-03-12 | 2009-09-24 | Honda Motor Co Ltd | 可変減衰力ダンパ |
JP4996558B2 (ja) * | 2008-03-12 | 2012-08-08 | 本田技研工業株式会社 | 可変減衰力ダンパ |
US8327984B2 (en) * | 2009-10-30 | 2012-12-11 | Bwi Company Limited S.A. | Magnetorheological (MR) piston assembly with primary and secondary channels to improve MR damper force |
ES2626458T3 (es) * | 2011-05-17 | 2017-07-25 | Beijingwest Industries Co. Ltd. | Conjunto de Amortiguación Magneto-Reológico |
JP5828558B2 (ja) * | 2012-03-01 | 2015-12-09 | Kyb株式会社 | 磁気粘性流体緩衝器 |
JP5986757B2 (ja) * | 2012-03-01 | 2016-09-06 | Kyb株式会社 | 磁気粘性流体緩衝器 |
JP5865801B2 (ja) * | 2012-08-06 | 2016-02-17 | Kyb株式会社 | 磁気粘性流体緩衝器 |
-
2013
- 2013-03-21 JP JP2013058518A patent/JP6071130B2/ja active Active
-
2014
- 2014-03-10 WO PCT/JP2014/056175 patent/WO2014148296A1/ja active Application Filing
- 2014-03-10 US US14/440,604 patent/US9689456B2/en not_active Expired - Fee Related
- 2014-03-10 KR KR1020157010664A patent/KR101684817B1/ko active IP Right Grant
- 2014-03-10 EP EP14767999.7A patent/EP2902656A4/en not_active Withdrawn
- 2014-03-10 CN CN201480002918.8A patent/CN104769310A/zh active Pending
Also Published As
Publication number | Publication date |
---|---|
CN104769310A (zh) | 2015-07-08 |
WO2014148296A1 (ja) | 2014-09-25 |
KR20150060903A (ko) | 2015-06-03 |
EP2902656A1 (en) | 2015-08-05 |
JP2014181808A (ja) | 2014-09-29 |
US20150300443A1 (en) | 2015-10-22 |
KR101684817B1 (ko) | 2016-12-08 |
US9689456B2 (en) | 2017-06-27 |
EP2902656A4 (en) | 2016-06-29 |
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