JP4753903B2 - 油圧緩衝器 - Google Patents
油圧緩衝器 Download PDFInfo
- Publication number
- JP4753903B2 JP4753903B2 JP2007061559A JP2007061559A JP4753903B2 JP 4753903 B2 JP4753903 B2 JP 4753903B2 JP 2007061559 A JP2007061559 A JP 2007061559A JP 2007061559 A JP2007061559 A JP 2007061559A JP 4753903 B2 JP4753903 B2 JP 4753903B2
- Authority
- JP
- Japan
- Prior art keywords
- oil chamber
- oil
- shock absorber
- piston
- pressure
- 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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- 239000006096 absorbing agent Substances 0.000 title claims description 98
- 230000035939 shock Effects 0.000 title claims description 98
- 239000003921 oil Substances 0.000 claims description 147
- 239000010720 hydraulic oil Substances 0.000 claims description 48
- 238000013016 damping Methods 0.000 claims description 43
- 238000002347 injection Methods 0.000 claims description 20
- 239000007924 injection Substances 0.000 claims description 20
- 238000005192 partition Methods 0.000 claims description 7
- 239000007787 solid Substances 0.000 claims description 4
- 239000007789 gas Substances 0.000 description 54
- 229920001971 elastomer Polymers 0.000 description 46
- 239000005060 rubber Substances 0.000 description 46
- 239000000725 suspension Substances 0.000 description 19
- 230000006835 compression Effects 0.000 description 13
- 238000007906 compression Methods 0.000 description 13
- 230000005489 elastic deformation Effects 0.000 description 11
- 239000012530 fluid Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 229910001873 dinitrogen Inorganic materials 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000004043 responsiveness Effects 0.000 description 2
- DEXFNLNNUZKHNO-UHFFFAOYSA-N 6-[3-[4-[2-(2,3-dihydro-1H-inden-2-ylamino)pyrimidin-5-yl]piperidin-1-yl]-3-oxopropyl]-3H-1,3-benzoxazol-2-one Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)C1CCN(CC1)C(CCC1=CC2=C(NC(O2)=O)C=C1)=O DEXFNLNNUZKHNO-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- -1 for example Substances 0.000 description 1
- 239000002828 fuel tank Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 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
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
- F16F9/43—Filling or drainage arrangements, e.g. for supply of gas
- F16F9/435—Filling or drainage arrangements, e.g. for supply of gas via opening in cylinder wall
-
- 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
- F16F9/06—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using both gas and liquid
- F16F9/061—Mono-tubular units
-
- 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
- F16F9/20—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 the piston-rod extending through both ends of the cylinder, e.g. constant-volume dampers
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Fluid-Damping Devices (AREA)
Description
上記副ピストンロッド13の延出端部13aを収容する密閉空間46を形成し、大気圧よりも大きく、かつ、上記油室加圧手段15により上記作動油8に生じる圧力よりも小さい圧力のガス47を上記密閉空間46に封入したことを特徴とする油圧緩衝器である。
上記副ピストンロッドの延出端部を収容する密閉空間を形成し、大気圧よりも大きく、かつ、上記油室加圧手段により上記作動油に生じる圧力よりも小さい圧力のガスを上記密閉空間に封入している。
2 緩衝対象体
3 一部
4 他部
5 ゴムマウント
6 軸心
7 シリンダチューブ
8 作動油
9 第1油室
10 第2油室
11 ピストン
12 主ピストンロッド
12a 延出端部
13 副ピストンロッド
13a 延出端部
14 締結具
15 油室加圧手段
16 チューブ本体
17 固定ロッドガイド
18 可動ロッドガイド
21 連結具
30 サスペンションばね
33 伸側減衰力発生部
37 圧側減衰力発生部
46 密閉空間
47 ガス
48 蓋体
49 プラグ
50 Oリング
53 貫通孔
54 注入弁
58 ばね
59 摺動体
66 他のガス
67 蓄圧器
A 伸長動作
B 圧縮動作
S 断面積
W 車体側の重量
F ばね反力
R´ 付勢力
Claims (4)
- 緩衝対象体の一部に連結可能とされるシリンダチューブと、このシリンダチューブに軸方向に摺動可能となるよう嵌入されてこのシリンダチューブ内を第1、第2油室に仕切るピストンと、このピストンから上記第1油室を通りこの第1油室の外部にまで延出して、その延出端部が上記緩衝対象体の他部に連結可能とされる主ピストンロッドと、上記ピストンから上記第2油室を通りこの第2油室の外部にまで延出する副ピストンロッドと、上記第1、第2油室内の作動油を常時加圧する油室加圧手段と、上記第1、第2油室の間を流動する作動油により減衰力を発生する減衰力発生部とを備えた油圧緩衝器において、
上記副ピストンロッドの延出端部を収容する密閉空間を形成し、大気圧よりも大きく、かつ、上記油室加圧手段により上記作動油に生じる圧力よりも小さい圧力のガスを上記密閉空間に封入したことを特徴とする油圧緩衝器。 - 上記密閉空間に対する上記ガスの注入、排出を可能とする注入弁を設けたことを特徴とする請求項1に記載の油圧緩衝器。
- 上記シリンダチューブが、その軸方向に延びるチューブ本体と、上記第1油室における上記ピストンとは反対側の端部開口を閉じるよう上記チューブ本体に固定されると共に、上記主ピストンロッドを摺動可能に貫通させる固定ロッドガイドと、上記第2油室における上記ピストンとは反対側の端部開口を閉じるよう上記チューブ本体に軸方向に摺動可能に嵌入されると共に、上記副ピストンロッドを摺動可能に貫通させる可動ロッドガイドとを備え、上記油室加圧手段として上記可動ロッドガイドを上記第1、第2油室側に向けて常時付勢する固体ばねを上記密閉空間に設けたことを特徴とする請求項1、もしくは2に記載の油圧緩衝器。
- 上記シリンダチューブが、その軸方向に延びるチューブ本体と、上記第1油室における上記ピストンとは反対側の端部開口を閉じるよう上記チューブ本体に固定されると共に、上記主ピストンロッドを摺動可能に貫通させる固定ロッドガイドと、上記第2油室における上記ピストンとは反対側の端部開口を閉じるよう上記チューブ本体に固定されると共に、上記副ピストンロッドを摺動可能に貫通させる他の固定ロッドガイドとを備え、上記油室加圧手段として上記第1、第2油室内の作動油を他のガスの圧力によって常時加圧する蓄圧器を設けたことを特徴とする請求項1、もしくは2に記載の油圧緩衝器。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007061559A JP4753903B2 (ja) | 2007-03-12 | 2007-03-12 | 油圧緩衝器 |
US12/045,817 US7540480B2 (en) | 2007-03-12 | 2008-03-11 | Hydraulic shock absorber |
DE602008003852T DE602008003852D1 (de) | 2007-03-12 | 2008-03-12 | Hydraulischer Stoßdämpfer |
EP08004623A EP1970593B1 (en) | 2007-03-12 | 2008-03-12 | Hydraulic shock absorber |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007061559A JP4753903B2 (ja) | 2007-03-12 | 2007-03-12 | 油圧緩衝器 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008223849A JP2008223849A (ja) | 2008-09-25 |
JP4753903B2 true JP4753903B2 (ja) | 2011-08-24 |
Family
ID=39495114
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007061559A Active JP4753903B2 (ja) | 2007-03-12 | 2007-03-12 | 油圧緩衝器 |
Country Status (4)
Country | Link |
---|---|
US (1) | US7540480B2 (ja) |
EP (1) | EP1970593B1 (ja) |
JP (1) | JP4753903B2 (ja) |
DE (1) | DE602008003852D1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2016525663A (ja) * | 2013-07-31 | 2016-08-25 | ベイジンウェスト・インダストリーズ・カンパニー・リミテッドBeijingwest Industries Co., Ltd. | 油圧式サスペンションダンパ |
WO2018163523A1 (ja) * | 2017-03-10 | 2018-09-13 | ヤマハ発動機株式会社 | 車両用緩衝器 |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1944523B1 (en) * | 2005-10-31 | 2019-01-23 | Yamaha Hatsudoki Kabushiki Kaisha | Damper |
JP5248852B2 (ja) * | 2007-12-27 | 2013-07-31 | ヤマハ発動機株式会社 | 車体用振動減衰装置 |
JP2010096347A (ja) * | 2008-09-22 | 2010-04-30 | Yamaha Motor Co Ltd | 油圧緩衝器 |
US8910807B2 (en) * | 2009-05-20 | 2014-12-16 | Manitowoc Crane Companies, Llc | Compressible stop member for use on a crane |
US8511448B2 (en) | 2010-02-01 | 2013-08-20 | Trek Bicycle Corp. | Bicycle air shock assemblies with tunable suspension performance |
EP3051174B1 (en) * | 2013-09-25 | 2022-05-11 | Yamaha Hatsudoki Kabushiki Kaisha | Hydraulic shock absorber |
CN108331875B (zh) * | 2018-02-06 | 2019-08-16 | 王海林 | 一种正负压双模缓冲装置及应用 |
CN109595285A (zh) * | 2018-12-18 | 2019-04-09 | 卫德义 | 阻尼减震器 |
CN109667875B (zh) * | 2019-01-21 | 2024-03-01 | 桂林电子科技大学 | 一种可变刚度自适应变阻尼的液压阻尼减振器 |
EP3835614A1 (en) * | 2019-12-13 | 2021-06-16 | Vapsint Srl | Shock absorber device |
CN112943840B (zh) * | 2021-01-26 | 2023-02-17 | 中车青岛四方车辆研究所有限公司 | 气液固耦合减振器 |
CN114877004A (zh) * | 2022-04-13 | 2022-08-09 | 山东阿诺达汽车零件制造有限公司 | 一种减震器用双油缸实现变阻尼结构 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
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DE2024749C3 (de) * | 1970-05-21 | 1980-08-14 | Stabilus Gmbh, 5400 Koblenz | Vorrichtung zum stufenlosen Verstellen der Neigung der Rückenlehne von Sitzen, insbesondere Kraftfahrzeugsitzen |
US4099602A (en) * | 1977-08-31 | 1978-07-11 | P. L. Porter Company | Hydraulic positioner with bidirectional detenting action |
DE2907100A1 (de) * | 1979-02-23 | 1980-08-28 | Bauer Fritz & Soehne Ohg | Laengenverstellbare gasfeder |
US4741516A (en) * | 1984-06-28 | 1988-05-03 | Liquidspring Investors, Ltd. | Fluid suspension spring and damper for vehicle suspension system |
DE3902882A1 (de) | 1989-02-01 | 1990-08-02 | Stabilus Gmbh | Hydraulisch blockierbare gasfeder |
DE3934960A1 (de) * | 1989-10-20 | 1991-04-25 | Stabilus Gmbh | Ausloesevorrichtung fuer pneumatische und hydropneumatische hoehenverstelleinrichtungen |
US4993552A (en) * | 1990-04-12 | 1991-02-19 | Marc Bugbey | Packaging device |
IT1271059B (it) * | 1993-11-19 | 1997-05-26 | Stabilus Gmbh | Dispositivo di fermo per fissare due oggetti mobili uno relativamente all'altro |
DE4431626C2 (de) * | 1993-11-19 | 1996-05-23 | Stabilus Gmbh | Feststeller zum Feststellen zweier relativ zueinander beweglicher Objekte |
JPH11165521A (ja) * | 1997-12-01 | 1999-06-22 | Showa Corp | スタビライザー用ダンパ装置 |
JP4230607B2 (ja) * | 1998-07-24 | 2009-02-25 | 株式会社ショーワ | プリロード付制振ダンパ |
DE19922838B4 (de) | 1999-05-19 | 2004-11-04 | Zf Sachs Ag | Schwingungsdämpfer |
JP2004232845A (ja) | 2003-02-03 | 2004-08-19 | Kayaba Ind Co Ltd | 単筒型油圧緩衝器 |
EP1944523B1 (en) | 2005-10-31 | 2019-01-23 | Yamaha Hatsudoki Kabushiki Kaisha | Damper |
-
2007
- 2007-03-12 JP JP2007061559A patent/JP4753903B2/ja active Active
-
2008
- 2008-03-11 US US12/045,817 patent/US7540480B2/en active Active
- 2008-03-12 DE DE602008003852T patent/DE602008003852D1/de active Active
- 2008-03-12 EP EP08004623A patent/EP1970593B1/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2016525663A (ja) * | 2013-07-31 | 2016-08-25 | ベイジンウェスト・インダストリーズ・カンパニー・リミテッドBeijingwest Industries Co., Ltd. | 油圧式サスペンションダンパ |
WO2018163523A1 (ja) * | 2017-03-10 | 2018-09-13 | ヤマハ発動機株式会社 | 車両用緩衝器 |
Also Published As
Publication number | Publication date |
---|---|
JP2008223849A (ja) | 2008-09-25 |
DE602008003852D1 (de) | 2011-01-20 |
US7540480B2 (en) | 2009-06-02 |
US20080223673A1 (en) | 2008-09-18 |
EP1970593B1 (en) | 2010-12-08 |
EP1970593A1 (en) | 2008-09-17 |
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