CN102996698B - 缓冲器 - Google Patents

缓冲器 Download PDF

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Publication number
CN102996698B
CN102996698B CN201210466080.0A CN201210466080A CN102996698B CN 102996698 B CN102996698 B CN 102996698B CN 201210466080 A CN201210466080 A CN 201210466080A CN 102996698 B CN102996698 B CN 102996698B
Authority
CN
China
Prior art keywords
piston
free piston
housing
piston rod
passage
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
CN201210466080.0A
Other languages
English (en)
Chinese (zh)
Other versions
CN102996698A (zh
Inventor
山下干郎
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 CN102996698A publication Critical patent/CN102996698A/zh
Application granted granted Critical
Publication of CN102996698B publication Critical patent/CN102996698B/zh
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Fluid-Damping Devices (AREA)
CN201210466080.0A 2011-08-31 2012-08-31 缓冲器 Active CN102996698B (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2011-189781 2011-08-31
JP2011189781A JP5758235B2 (ja) 2011-08-31 2011-08-31 緩衝器

Publications (2)

Publication Number Publication Date
CN102996698A CN102996698A (zh) 2013-03-27
CN102996698B true CN102996698B (zh) 2016-06-08

Family

ID=47665497

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201210466080.0A Active CN102996698B (zh) 2011-08-31 2012-08-31 缓冲器

Country Status (6)

Country Link
US (1) US8833532B2 (enExample)
JP (1) JP5758235B2 (enExample)
KR (1) KR20130024872A (enExample)
CN (1) CN102996698B (enExample)
CZ (1) CZ2012585A3 (enExample)
DE (1) DE102012215490A1 (enExample)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5783771B2 (ja) * 2011-03-31 2015-09-24 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
JP6014444B2 (ja) * 2012-09-28 2016-10-25 日立オートモティブシステムズ株式会社 緩衝器
JP6071646B2 (ja) * 2012-11-30 2017-02-01 日立オートモティブシステムズ株式会社 緩衝器
US9239092B2 (en) * 2013-08-26 2016-01-19 Tenneco Automotive Operating Company Inc. Shock absorber with frequency dependent passive valve
US9638280B2 (en) 2013-08-26 2017-05-02 Tenneco Automotive Operating Company Inc. Shock absorber with frequency dependent passive valve
JP6329760B2 (ja) * 2013-12-16 2018-05-23 Ｋｙｂ株式会社 ショックアブソーバ及びショックアブソーバの製造方法
WO2017038577A1 (ja) * 2015-08-31 2017-03-09 日立オートモティブシステムズ株式会社 シリンダ装置
DE102017207605A1 (de) * 2017-05-05 2018-11-08 Zf Friedrichshafen Ag Dämpfventil für einen Schwingungsdämpfer
US10570983B2 (en) 2018-03-23 2020-02-25 Tenneco Automotive Operating Company Inc. Damper with floating piston bleed channel
US10663027B2 (en) * 2018-03-23 2020-05-26 Tenneco Automotive Operating Company Inc. Damper with valve preload limiter
US10518601B2 (en) 2018-04-30 2019-12-31 Tenneco Automotive Operating Company Inc. Damper with internal hydraulic stop
US10995815B2 (en) 2018-09-28 2021-05-04 Tenneco Automotive Operating Company Inc. Damper with flexible floating disc
DE102019202431B3 (de) 2019-02-22 2020-06-25 Zf Friedrichshafen Ag Frequenzabhängige Dämpfventileinrichtung
JP7084888B2 (ja) * 2019-03-04 2022-06-15 Ｋｙｂ株式会社 緩衝器
CN110173535B (zh) * 2019-06-10 2024-04-05 伯科姆汽车零部件系统(苏州)有限公司 一种频率自感应阻尼调节减振器复原阀总成
KR102560282B1 (ko) * 2019-06-26 2023-07-26 히다치 아스테모 가부시키가이샤 완충기
US11904650B2 (en) 2021-08-25 2024-02-20 DRiV Automotive Inc. Shock absorber
US11806847B2 (en) 2021-09-01 2023-11-07 DRiV Automotive Inc. Torque application apparatus
US12270451B2 (en) 2022-06-30 2025-04-08 DRiV Automotive Inc. Pressure relief poppet valves for suspension dampers
CN115872284B (zh) * 2022-11-21 2024-03-12 无锡市协兴港口机械有限公司 四连杆门座式起重机的安装方法
DE102023135675A1 (de) * 2023-12-18 2025-06-18 Betterguards Technology Gmbh Verfahren zum Befüllen eines Adaptors

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6220409B1 (en) * 1999-05-06 2001-04-24 Tenneco Automotive Inc. Stroke dependent bypass
CN1847691A (zh) * 2005-04-12 2006-10-18 株式会社日立制作所 衰减力调整式液压缓冲器
CN1880792A (zh) * 2005-06-06 2006-12-20 萱场工业株式会社 减震器

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
JPH0719642U (ja) 1993-09-09 1995-04-07 株式会社ユニシアジェックス 車両用緩衝装置
US20030098210A1 (en) * 2001-11-26 2003-05-29 Delphi Technologies Inc. Valve spool for suspension damper
US6918473B2 (en) * 2003-09-17 2005-07-19 Tenneco Automotive Operating Company Inc. Stroke dependent bypass
KR100894799B1 (ko) * 2007-12-05 2009-04-22 주식회사 만도 쇽업소버

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6220409B1 (en) * 1999-05-06 2001-04-24 Tenneco Automotive Inc. Stroke dependent bypass
CN1847691A (zh) * 2005-04-12 2006-10-18 株式会社日立制作所 衰减力调整式液压缓冲器
CN1880792A (zh) * 2005-06-06 2006-12-20 萱场工业株式会社 减震器

Also Published As

Publication number Publication date
US8833532B2 (en) 2014-09-16
DE102012215490A1 (de) 2013-02-28
CZ2012585A3 (cs) 2013-03-13
JP5758235B2 (ja) 2015-08-05
JP2013050198A (ja) 2013-03-14
KR20130024872A (ko) 2013-03-08
US20130048451A1 (en) 2013-02-28
CN102996698A (zh) 2013-03-27

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Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
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