JP2005054854A - リリーフ弁および車高調整機能付油圧緩衝器 - Google Patents
リリーフ弁および車高調整機能付油圧緩衝器 Download PDFInfo
- Publication number
- JP2005054854A JP2005054854A JP2003284944A JP2003284944A JP2005054854A JP 2005054854 A JP2005054854 A JP 2005054854A JP 2003284944 A JP2003284944 A JP 2003284944A JP 2003284944 A JP2003284944 A JP 2003284944A JP 2005054854 A JP2005054854 A JP 2005054854A
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- JP
- Japan
- Prior art keywords
- valve
- chamber
- pump
- cylinder
- rod
- 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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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
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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
- F16F9/06—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using both gas and liquid
- F16F9/08—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using both gas and liquid where gas is in a chamber with a flexible wall
- F16F9/092—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using both gas and liquid where gas is in a chamber with a flexible wall comprising a gas spring with a flexible wall provided between the tubes of a bitubular damper
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G17/00—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
- B60G17/02—Spring characteristics, e.g. mechanical springs and mechanical adjusting means
- B60G17/04—Spring characteristics, e.g. mechanical springs and mechanical adjusting means fluid spring characteristics
- B60G17/044—Self-pumping fluid springs
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Fluid-Damping Devices (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
【解決手段】 流路の上流側に接続される中空なジョイント111と、一端がジョイント111に圧入される中空なバルブケース101とを備え、流路を開閉するリリーフ弁100において、弁座103をジョイント111内周に設け、バルブケース101内に弁座103方向に附勢されて当該弁座103に離着座する弁体104を設けたことを特徴とする。
【選択図】 図1
Description
101 バルブケース
103 弁座
104 弁体
105 ホルダ
106 附勢バネ
Claims (2)
- 流路の上流側に接続される中空なジョイントと、一端がジョイントに圧入される中空なバルブケースとを備え、流路を開閉するリリーフ弁において、弁座をジョイント内周に設け、バルブケース内に弁座方向に附勢されて当該弁座に離着座する弁体を設けたことを特徴とするリリーフ弁。
- シリンダと、シリンダ内をロッド側室とピストン側室とに区画するピストンと、先端側がピストンに連結された有底筒状のピストンロッドと、ピストンロッド内に挿入され、ピストンロッド内にポンプ室を隔成する中空のポンプチューブと、ポンプチューブ内に設けられ作動油のポンプチューブ内からポンプ室へ向う流れのみを許容する逆止弁と、ポンプチューブ内に挿入された中空のポンプロッドと、ポンプロッド内に設けられ作動油のポンプロッド内からポンプチューブ内へ向う流れのみを許容する逆止弁と、シリンダを覆う外筒と、シリンダと外筒との間の空間をリザーバと油溜室とに区画する仕切部材と、上記仕切部材に設けたリザーバと油溜室とを連通する流路と、当該流路を開閉するリリーフ弁とを備え、ピストン側室もしくはロッド側室の一方をリザーバに連通するとともに、ピストン側室もしくはロッド側室の一方をポンプ室に連通し、ポンプロッド内を油溜室に連通してなり、伸縮動作によるポンプ室を膨縮させて作動油を油溜室からピストン側室もしくはロッド側室へ供給してシリンダ内圧力を高めて車高調整を行う車高調整機能付油圧緩衝器において、上記リリーフ弁が、上記仕切部材と、仕切部材の流路の途中に設けた弁座と、一端が仕切部材に圧入される中空なバルブケースと、バルブケース内に弁座方向に附勢されて当該弁座に離着座する弁体を設けたことを特徴とする車高調整機能付油圧緩衝器。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003284944A JP4181940B2 (ja) | 2003-08-01 | 2003-08-01 | リリーフ弁および車高調整機能付油圧緩衝器 |
US10/901,451 US7025184B2 (en) | 2003-08-01 | 2004-07-29 | Hydraulic shock absorber with self leveling function for vehicle height |
KR1020040060104A KR100585923B1 (ko) | 2003-08-01 | 2004-07-30 | 차량 높이에 대한 자체 조정 기능을 갖는 유압식 완충기 |
ES04018129T ES2354945T3 (es) | 2003-08-01 | 2004-07-30 | Amortiguador de suspensión de vehículo con autonivelación. |
EP04018129A EP1502777B1 (en) | 2003-08-01 | 2004-07-30 | Self leveling vehicle suspension damper |
DE602004030862T DE602004030862D1 (de) | 2003-08-01 | 2004-07-30 | Selbstnivellierender Fahrzeugradaufhängungsdämpfer |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003284944A JP4181940B2 (ja) | 2003-08-01 | 2003-08-01 | リリーフ弁および車高調整機能付油圧緩衝器 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005054854A true JP2005054854A (ja) | 2005-03-03 |
JP4181940B2 JP4181940B2 (ja) | 2008-11-19 |
Family
ID=33535728
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2003284944A Expired - Fee Related JP4181940B2 (ja) | 2003-08-01 | 2003-08-01 | リリーフ弁および車高調整機能付油圧緩衝器 |
Country Status (6)
Country | Link |
---|---|
US (1) | US7025184B2 (ja) |
EP (1) | EP1502777B1 (ja) |
JP (1) | JP4181940B2 (ja) |
KR (1) | KR100585923B1 (ja) |
DE (1) | DE602004030862D1 (ja) |
ES (1) | ES2354945T3 (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100747989B1 (ko) | 2004-05-10 | 2007-08-08 | 주식회사 만도 | 높이 조절 댐퍼의 릴리프밸브 |
JP2007292284A (ja) * | 2006-03-28 | 2007-11-08 | Kayaba Ind Co Ltd | 車高調整装置 |
JP2014208510A (ja) * | 2013-03-22 | 2014-11-06 | カヤバ工業株式会社 | フロントフォーク |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100753766B1 (ko) * | 2004-03-18 | 2007-08-31 | 주식회사 만도 | 차고 조정식 쇽업소버의 릴리프밸브 |
KR100753768B1 (ko) * | 2004-03-18 | 2007-08-31 | 주식회사 만도 | 차고 조정식 쇽업소버의 릴리프밸브 |
KR100753767B1 (ko) * | 2004-03-18 | 2007-08-31 | 주식회사 만도 | 차고 조정식 쇽업소버의 릴리프밸브 |
JP2006275069A (ja) * | 2005-03-28 | 2006-10-12 | Kayaba Ind Co Ltd | 複筒型油圧緩衝器 |
KR100633692B1 (ko) | 2005-11-03 | 2006-10-11 | 주식회사 만도 | 릴리프 밸브 및 이를 이용한 쇽업소버 |
SE531831C2 (sv) * | 2006-12-12 | 2009-08-18 | Oehlins Racing Ab | Stötdämpare med rotationslåst tätningspaket |
JP2008190691A (ja) * | 2007-02-07 | 2008-08-21 | Hitachi Ltd | 油圧緩衝器 |
KR100834505B1 (ko) | 2007-03-05 | 2008-06-02 | 주식회사 만도 | 차고 조정식 쇽업소버 |
WO2008125148A1 (en) * | 2007-04-17 | 2008-10-23 | Walvoil S.P.A. | Hydraulic pilot control unit with oscillation damping system |
KR101162306B1 (ko) * | 2008-03-05 | 2012-07-04 | 주식회사 만도 | 차고 조정식 쇽업소버 |
US9073516B2 (en) * | 2009-01-22 | 2015-07-07 | Lippert Components Manufacturing Inc. | Leveling jack for vehicle |
NL2002484C2 (nl) * | 2009-02-03 | 2010-08-04 | Koni Bv | Slingerdemper voor een railvoertuig. |
JP5698880B2 (ja) * | 2012-05-30 | 2015-04-08 | 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. | サスペンションダンパアセンブリ |
CN113108005B (zh) * | 2020-01-09 | 2022-07-26 | 广州汽车集团股份有限公司 | 一种减振器总成 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2207088A (en) * | 1937-10-08 | 1940-07-09 | Stephen L C Coleman | Fluid pressure spring device |
GB1279885A (en) | 1968-02-23 | 1972-06-28 | Gates Rubber Co | Hydraulic suspension unit |
US3991863A (en) * | 1973-06-22 | 1976-11-16 | Integrated Dynamics Incorporated | Metering shock absorber with manual adjustment |
NL169216C (nl) * | 1977-12-12 | 1982-06-16 | Itt | Inrichting voor het verlagen van de druk op de zuigerstangpakking van een hydraulische telescopische schokdemper. |
DE3914385A1 (de) | 1989-04-29 | 1990-10-31 | Boge Ag | Selbstpumpendes hydropneumatisches federbein |
JP3062992B2 (ja) | 1995-07-26 | 2000-07-12 | トキコ株式会社 | 油圧緩衝器 |
US6581733B2 (en) * | 2001-11-19 | 2003-06-24 | Tenneco Automotive Inc. | Acceleration sensitive damping for automotive dampers |
JP4246951B2 (ja) | 2002-03-27 | 2009-04-02 | 千代田化工建設株式会社 | 冷却装置 |
-
2003
- 2003-08-01 JP JP2003284944A patent/JP4181940B2/ja not_active Expired - Fee Related
-
2004
- 2004-07-29 US US10/901,451 patent/US7025184B2/en active Active
- 2004-07-30 DE DE602004030862T patent/DE602004030862D1/de active Active
- 2004-07-30 EP EP04018129A patent/EP1502777B1/en not_active Expired - Fee Related
- 2004-07-30 KR KR1020040060104A patent/KR100585923B1/ko active IP Right Grant
- 2004-07-30 ES ES04018129T patent/ES2354945T3/es active Active
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100747989B1 (ko) | 2004-05-10 | 2007-08-08 | 주식회사 만도 | 높이 조절 댐퍼의 릴리프밸브 |
JP2007292284A (ja) * | 2006-03-28 | 2007-11-08 | Kayaba Ind Co Ltd | 車高調整装置 |
JP2014208510A (ja) * | 2013-03-22 | 2014-11-06 | カヤバ工業株式会社 | フロントフォーク |
Also Published As
Publication number | Publication date |
---|---|
JP4181940B2 (ja) | 2008-11-19 |
KR20050016045A (ko) | 2005-02-21 |
EP1502777A1 (en) | 2005-02-02 |
KR100585923B1 (ko) | 2006-06-07 |
EP1502777B1 (en) | 2011-01-05 |
ES2354945T3 (es) | 2011-03-21 |
DE602004030862D1 (de) | 2011-02-17 |
US7025184B2 (en) | 2006-04-11 |
US20050051398A1 (en) | 2005-03-10 |
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