CN102168733B - 缓冲器 - Google Patents

缓冲器 Download PDF

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Publication number
CN102168733B
CN102168733B CN201110045948.5A CN201110045948A CN102168733B CN 102168733 B CN102168733 B CN 102168733B CN 201110045948 A CN201110045948 A CN 201110045948A CN 102168733 B CN102168733 B CN 102168733B
Authority
CN
China
Prior art keywords
valve
back pressure
damping force
pressure chamber
piston
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.)
Expired - Fee Related
Application number
CN201110045948.5A
Other languages
English (en)
Chinese (zh)
Other versions
CN102168733A (zh
Inventor
前田笃
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.)
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 CN102168733A publication Critical patent/CN102168733A/zh
Application granted granted Critical
Publication of CN102168733B publication Critical patent/CN102168733B/zh
Expired - Fee Related 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
    • F16F9/36—Special sealings, including sealings or guides for piston-rods
    • F16F9/369—Sealings for elements other than pistons or piston rods, e.g. valves
    • 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
    • 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
    • F16F9/348—Throttling passages in the form of annular discs or other plate-like elements which may or may not have a spring action, operating in opposite directions or singly, e.g. annular discs positioned on top of the valve or piston body
    • F16F9/3488—Throttling passages in the form of annular discs or other plate-like elements which may or may not have a spring action, operating in opposite directions or singly, e.g. annular discs positioned on top of the valve or piston body characterised by features intended to affect valve bias or pre-stress

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Fluid-Damping Devices (AREA)
CN201110045948.5A 2010-02-26 2011-02-25 缓冲器 Expired - Fee Related CN102168733B (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP042473/10 2010-02-26
JP2010042473A JP5418778B2 (ja) 2010-02-26 2010-02-26 緩衝器

Publications (2)

Publication Number Publication Date
CN102168733A CN102168733A (zh) 2011-08-31
CN102168733B true CN102168733B (zh) 2015-06-24

Family

ID=44490011

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201110045948.5A Expired - Fee Related CN102168733B (zh) 2010-02-26 2011-02-25 缓冲器

Country Status (5)

Country Link
US (1) US8517154B2 (https=)
JP (1) JP5418778B2 (https=)
KR (1) KR20110098616A (https=)
CN (1) CN102168733B (https=)
DE (1) DE102011004740A1 (https=)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5648790B2 (ja) * 2010-08-31 2015-01-07 日立オートモティブシステムズ株式会社 緩衝器
JP5785510B2 (ja) * 2012-03-14 2015-09-30 カヤバ工業株式会社 緩衝器のバルブ構造
CN105593565B (zh) * 2013-08-26 2017-10-03 株式会社天御 液压缓冲器
JP6238473B2 (ja) * 2013-11-29 2017-11-29 日立オートモティブシステムズ株式会社 緩衝器
CA2984107A1 (en) * 2015-05-11 2016-11-17 Lord Corporation Damping devices, systems and methods for hollow shafts, struts, and beams with bending modes
KR102588959B1 (ko) * 2015-09-14 2023-10-12 히다치 아스테모 가부시키가이샤 완충기
US10316922B2 (en) 2015-09-14 2019-06-11 Hitachi Automotive Systems, Ltd. Shock absorber
US11002334B2 (en) 2016-10-28 2021-05-11 Mf Ip Holding, Llc Digressive valve for a damper
US10344820B2 (en) 2016-10-28 2019-07-09 Mf Ip Holding, Llc Digressive valve for a damper
US10941830B2 (en) * 2017-01-18 2021-03-09 Hitachi Automotive Systems, Ltd. Shock absorber
WO2018168865A1 (ja) * 2017-03-13 2018-09-20 日立オートモティブシステムズ株式会社 減衰力調整式緩衝器
DE102017211614A1 (de) * 2017-07-07 2019-01-10 Zf Friedrichshafen Ag Dämpfventil für einen Schwingungsdämpfer
JP7049901B2 (ja) * 2018-04-27 2022-04-07 日立Astemo株式会社 緩衝器
JP6972352B2 (ja) * 2018-07-25 2021-11-24 日立Astemo株式会社 緩衝器
KR102873147B1 (ko) * 2019-06-12 2025-10-22 에이치엘만도 주식회사 주파수 감응형 쇽 업소버
CN112923002B (zh) * 2021-02-23 2022-10-25 山东科技大学 一种复合式抗冲击装置及其应用
US20250137511A1 (en) * 2021-09-08 2025-05-01 Hitachi Astemo, Ltd. Shock absorber
CN117999424A (zh) * 2021-11-26 2024-05-07 日立安斯泰莫株式会社 缓冲器
US11796941B2 (en) 2022-03-21 2023-10-24 Toshiba Tec Kabushiki Kaisha Fixing device
WO2025033100A1 (ja) * 2023-08-08 2025-02-13 日立Astemo株式会社 緩衝器

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3747714A (en) * 1969-10-27 1973-07-24 Carbon C De Shock absorber pistons
CN1721729A (zh) * 2004-05-25 2006-01-18 日产自动车株式会社 液压缓冲器
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

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5825155Y2 (ja) * 1981-11-26 1983-05-30 トキコ株式会社 緩衝器
US4972929A (en) * 1989-06-07 1990-11-27 Lord Corporation Bidirectional dual disc valve assembly
JPH08135713A (ja) * 1994-11-14 1996-05-31 Toyota Motor Corp 液圧緩衝装置
FR2738317B1 (fr) * 1995-08-31 1997-10-17 Soframca Piston a clapet flottant pour tube d'amortisseur hydraulique, notamment de type monotube
US5709290A (en) * 1996-02-20 1998-01-20 General Motors Corporation Monotube damper valve
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
JP2007100726A (ja) * 2005-09-30 2007-04-19 Hitachi Ltd 油圧緩衝器
JP5301919B2 (ja) 2008-08-12 2013-09-25 中村留精密工業株式会社 硬質脆性板の面取装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3747714A (en) * 1969-10-27 1973-07-24 Carbon C De Shock absorber pistons
CN1721729A (zh) * 2004-05-25 2006-01-18 日产自动车株式会社 液压缓冲器
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

Also Published As

Publication number Publication date
JP2011179546A (ja) 2011-09-15
JP5418778B2 (ja) 2014-02-19
US8517154B2 (en) 2013-08-27
CN102168733A (zh) 2011-08-31
KR20110098616A (ko) 2011-09-01
DE102011004740A1 (de) 2011-11-17
US20110209956A1 (en) 2011-09-01

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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
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20150624

Termination date: 20160225

CF01 Termination of patent right due to non-payment of annual fee