CN102192267B - 缓冲器 - Google Patents

缓冲器 Download PDF

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Publication number
CN102192267B
CN102192267B CN201110050612.8A CN201110050612A CN102192267B CN 102192267 B CN102192267 B CN 102192267B CN 201110050612 A CN201110050612 A CN 201110050612A CN 102192267 B CN102192267 B CN 102192267B
Authority
CN
China
Prior art keywords
piston
passage
pressure chamber
free piston
chamber
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.)
Active
Application number
CN201110050612.8A
Other languages
English (en)
Chinese (zh)
Other versions
CN102192267A (zh
Inventor
前田笃
神山胜
山下干郎
山冈史之
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.)
Hitachi Astemo Ltd
Original Assignee
Hitachi Automotive Systems Ltd
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 Hitachi Automotive Systems Ltd filed Critical Hitachi Automotive Systems Ltd
Publication of CN102192267A publication Critical patent/CN102192267A/zh
Application granted granted Critical
Publication of CN102192267B publication Critical patent/CN102192267B/zh
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F16F9/34—Special valve constructions; Shape or construction of throttling passages
    • 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
    • F16F9/50—Special means providing automatic damping adjustment, i.e. self-adjustment of damping by particular sliding movements of a valve element, other than flexions or displacement of valve discs; Special means providing self-adjustment of spring characteristics
    • F16F9/512—Means responsive to load action, i.e. static load on the damper or dynamic fluid pressure changes in the damper, e.g. due to changes in velocity
    • F16F9/5126—Piston, or piston-like valve elements
    • 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
    • B60G17/06—Characteristics of dampers, e.g. mechanical dampers
    • B60G17/08—Characteristics of 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
    • F16F9/36—Special sealings, including sealings or guides for piston-rods
    • F16F9/368—Sealings in 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
    • F16F2224/00—Materials; Material properties
    • F16F2224/04—Fluids
    • 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
    • F16F2230/00—Purpose; Design features
    • F16F2230/36—Holes, slots or the like

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Fluid-Damping Devices (AREA)
CN201110050612.8A 2010-03-03 2011-03-03 缓冲器 Active CN102192267B (zh)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP047055/10 2010-03-03
JP2010047055 2010-03-03
JP292388/10 2010-12-28
JP2010292388A JP5758119B2 (ja) 2010-03-03 2010-12-28 緩衝器

Publications (2)

Publication Number Publication Date
CN102192267A CN102192267A (zh) 2011-09-21
CN102192267B true CN102192267B (zh) 2015-01-14

Family

ID=44530345

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201110050612.8A Active CN102192267B (zh) 2010-03-03 2011-03-03 缓冲器

Country Status (5)

Country Link
US (1) US8590680B2 (enExample)
JP (1) JP5758119B2 (enExample)
KR (1) KR101800891B1 (enExample)
CN (1) CN102192267B (enExample)
DE (1) DE102011004962B4 (enExample)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8746423B2 (en) 2010-03-02 2014-06-10 Hitachi Automotive Systems, Ltd. Shock absorber
EP2444688A1 (en) * 2010-10-22 2012-04-25 Öhlins Racing Ab Valve arrangement
KR101254287B1 (ko) 2011-06-09 2013-04-12 주식회사 만도 가변유로를 갖는 쇽업소버의 밸브 구조
JP5894874B2 (ja) * 2012-06-29 2016-03-30 日立オートモティブシステムズ株式会社 緩衝器
KR101594211B1 (ko) * 2012-08-14 2016-02-15 주식회사 만도 쇽 업소버의 밸브 조립체
JP5876806B2 (ja) * 2012-09-27 2016-03-02 Ｋｙｂ株式会社 緩衝器
JP5936128B2 (ja) * 2012-12-26 2016-06-15 Ｋｙｂ株式会社 緩衝器
US9103402B2 (en) * 2013-02-21 2015-08-11 Mando Corporation Shock absorber
US9062734B2 (en) * 2013-02-25 2015-06-23 Hitachi Automotive Systems, Ltd. Shock absorber and vehicle using the same
EP2977643B1 (en) * 2013-03-22 2018-09-26 KYB Corporation Shock absorber
CN105793603B (zh) * 2013-11-29 2018-02-06 日立汽车系统株式会社 缓冲器
JP6188598B2 (ja) 2014-01-31 2017-08-30 日立オートモティブシステムズ株式会社 シリンダ装置
JP6351443B2 (ja) * 2014-08-29 2018-07-04 日立オートモティブシステムズ株式会社 緩衝器
US9995322B2 (en) * 2014-10-07 2018-06-12 Fujikura Rubber Ltd. Multistage piston actuator
JP6391512B2 (ja) * 2015-03-25 2018-09-19 株式会社ショーワ 圧力緩衝装置
CN105065534A (zh) * 2015-07-20 2015-11-18 常州大学 双杆变缸体有源双控变阻尼磁流变阻尼器
DE102015220707B4 (de) * 2015-10-23 2022-06-02 Zf Friedrichshafen Ag Steueranordnung für eine frequenzabhängige Dämpfventileinrichtung eines Schwingungsdämpfers, sowie Verfahren zur plastischen Verformung des Topfbodens der Steueranordnung.
WO2018123735A1 (ja) * 2016-12-26 2018-07-05 日立オートモティブシステムズ株式会社 緩衝器
KR102223705B1 (ko) * 2017-01-18 2021-03-05 히다치 아스테모 가부시키가이샤 완충기
CN110214239B (zh) * 2017-03-10 2020-12-01 日立汽车系统株式会社 缓冲器
JP2018162880A (ja) * 2017-03-28 2018-10-18 Ｋｙｂ株式会社 緩衝器
US11796029B2 (en) 2017-07-26 2023-10-24 Hitachi Astemo, Ltd. Shock absorber and method of manufacturing the same
JP2022096013A (ja) * 2020-12-17 2022-06-29 Ｋｙｂ株式会社 液圧機器のシール装置および緩衝器
WO2024009629A1 (ja) * 2022-07-08 2024-01-11 日立Astemo株式会社 減衰力発生機構

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2250080A (en) * 1990-10-19 1992-05-27 Tokico Ltd Hydraulic shock absorber
US5261448A (en) * 1989-11-16 1993-11-16 Atsugi Unisia Corp. Vibration mode responsive variable damping force shock absorber with feature of automatic selection of damping mode depending upon vibration mode of vehicular body
US5386892A (en) * 1992-09-18 1995-02-07 Tokico, Ltd. Hydraulic shock absorber with shutters
US6220409B1 (en) * 1999-05-06 2001-04-24 Tenneco Automotive Inc. Stroke dependent bypass
CN101287926A (zh) * 2004-10-14 2008-10-15 坦尼科汽车操作有限公司 振幅可控的阻尼阀
CN101451586A (zh) * 2007-12-05 2009-06-10 株式会社万都 减震器

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5129488A (en) * 1989-11-16 1992-07-14 Atsugi Unisia Corporation Vibration mode responsive variable damping force shock absorber with feature of automatic selection of damping mode depending upon vibration mode of vehicular body
JP3242214B2 (ja) 1993-07-05 2001-12-25 東芝キヤリア株式会社 冷媒加熱式空気調和機
DE10300107B3 (de) * 2003-01-07 2004-05-13 Thyssenkrupp Bilstein Gmbh Einrichtung für hydraulische Schwingungsdämpfer
CN100526674C (zh) * 2004-05-25 2009-08-12 日产自动车株式会社 液压缓冲器
JP4523485B2 (ja) * 2004-05-25 2010-08-11 日立オートモティブシステムズ株式会社 油圧緩衝器
JP4726049B2 (ja) * 2005-06-06 2011-07-20 カヤバ工業株式会社 緩衝装置
DE102005055801B3 (de) * 2005-11-21 2007-02-15 Thyssenkrupp Bilstein Suspension Gmbh Schwingungsdämpfer mit amplitudenselektiver Dämpfungseinrichtung
JP2008089037A (ja) * 2006-09-29 2008-04-17 Hitachi Ltd 減衰力調整式油圧緩衝器
JP5034074B2 (ja) * 2007-03-30 2012-09-26 日立オートモティブシステムズ株式会社 減衰力調整式流体圧緩衝器
KR100909943B1 (ko) * 2008-07-16 2009-07-29 주식회사 만도 변위 가변형 쇽업소버
US8746423B2 (en) * 2010-03-02 2014-06-10 Hitachi Automotive Systems, Ltd. Shock absorber
KR101254287B1 (ko) * 2011-06-09 2013-04-12 주식회사 만도 가변유로를 갖는 쇽업소버의 밸브 구조

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5261448A (en) * 1989-11-16 1993-11-16 Atsugi Unisia Corp. Vibration mode responsive variable damping force shock absorber with feature of automatic selection of damping mode depending upon vibration mode of vehicular body
GB2250080A (en) * 1990-10-19 1992-05-27 Tokico Ltd Hydraulic shock absorber
US5248014A (en) * 1990-10-19 1993-09-28 Tokico Ltd. Hydraulic shock absorber
US5386892A (en) * 1992-09-18 1995-02-07 Tokico, Ltd. Hydraulic shock absorber with shutters
US6220409B1 (en) * 1999-05-06 2001-04-24 Tenneco Automotive Inc. Stroke dependent bypass
CN101287926A (zh) * 2004-10-14 2008-10-15 坦尼科汽车操作有限公司 振幅可控的阻尼阀
CN101451586A (zh) * 2007-12-05 2009-06-10 株式会社万都 减震器

Also Published As

Publication number Publication date
JP2011202801A (ja) 2011-10-13
JP5758119B2 (ja) 2015-08-05
US20110214955A1 (en) 2011-09-08
CN102192267A (zh) 2011-09-21
KR101800891B1 (ko) 2017-11-23
DE102011004962A8 (de) 2012-03-22
US8590680B2 (en) 2013-11-26
DE102011004962A1 (de) 2011-12-29
DE102011004962B4 (de) 2024-10-17
KR20110100164A (ko) 2011-09-09

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C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
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GR01 Patent grant
TR01 Transfer of patent right

Effective date of registration: 20210713

Address after: Ibaraki

Patentee after: Hitachi astemo Co.,Ltd.

Address before: Ibaraki

Patentee before: HITACHI AUTOMOTIVE SYSTEMS, Ltd.

TR01 Transfer of patent right