JP5418778B2 - 緩衝器 - Google Patents

緩衝器 Download PDF

Info

Publication number
JP5418778B2
JP5418778B2 JP2010042473A JP2010042473A JP5418778B2 JP 5418778 B2 JP5418778 B2 JP 5418778B2 JP 2010042473 A JP2010042473 A JP 2010042473A JP 2010042473 A JP2010042473 A JP 2010042473A JP 5418778 B2 JP5418778 B2 JP 5418778B2
Authority
JP
Japan
Prior art keywords
valve
back pressure
relief valve
pressure chamber
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
JP2010042473A
Other languages
English (en)
Japanese (ja)
Other versions
JP2011179546A5 (enExample
JP2011179546A (ja
Inventor
篤 前田
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
Priority to JP2010042473A priority Critical patent/JP5418778B2/ja
Priority to KR1020110011501A priority patent/KR20110098616A/ko
Priority to US13/032,992 priority patent/US8517154B2/en
Priority to DE102011004740A priority patent/DE102011004740A1/de
Priority to CN201110045948.5A priority patent/CN102168733B/zh
Publication of JP2011179546A publication Critical patent/JP2011179546A/ja
Publication of JP2011179546A5 publication Critical patent/JP2011179546A5/ja
Application granted granted Critical
Publication of JP5418778B2 publication Critical patent/JP5418778B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • F16F9/36—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)
JP2010042473A 2010-02-26 2010-02-26 緩衝器 Active JP5418778B2 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP2010042473A JP5418778B2 (ja) 2010-02-26 2010-02-26 緩衝器
KR1020110011501A KR20110098616A (ko) 2010-02-26 2011-02-09 완충기
US13/032,992 US8517154B2 (en) 2010-02-26 2011-02-23 Shock absorber
DE102011004740A DE102011004740A1 (de) 2010-02-26 2011-02-25 Stoßdämpfer
CN201110045948.5A CN102168733B (zh) 2010-02-26 2011-02-25 缓冲器

Applications Claiming Priority (1)

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

Publications (3)

Publication Number Publication Date
JP2011179546A JP2011179546A (ja) 2011-09-15
JP2011179546A5 JP2011179546A5 (enExample) 2013-02-28
JP5418778B2 true JP5418778B2 (ja) 2014-02-19

Family

ID=44490011

Family Applications (1)

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

Country Status (5)

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

Families Citing this family (18)

* 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
ES2741287T3 (es) * 2013-08-26 2020-02-10 Tein Inc Dispositivo de parachoques hidráulico
DE112014005430T5 (de) * 2013-11-29 2016-08-25 Hitachi Automotive Systems, Ltd. Stoßdämpfer
WO2016183139A1 (en) * 2015-05-11 2016-11-17 Lord Corporation Damping devices, systems and methods for hollow shafts, struts, and beams with bending modes
WO2017047623A1 (ja) * 2015-09-14 2017-03-23 日立オートモティブシステムズ株式会社 緩衝器
BR112018004699B1 (pt) * 2015-09-14 2023-03-14 Hitachi Astemo, Ltd Amortecedor
US10344820B2 (en) 2016-10-28 2019-07-09 Mf Ip Holding, Llc Digressive valve for a damper
US11002334B2 (en) 2016-10-28 2021-05-11 Mf Ip Holding, Llc Digressive valve for a damper
DE112018000417T5 (de) * 2017-01-18 2019-10-02 Hitachi Automotive Systems, Ltd. Stoßdämpfer
US11118648B2 (en) 2017-03-13 2021-09-14 Hitachi Astemo, Ltd. Damping force adjustable shock absorber
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
CN112352117B (zh) * 2018-07-25 2022-08-09 日立安斯泰莫株式会社 缓冲器
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
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

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2063666A5 (enExample) * 1969-10-27 1971-07-09 Bourcier Carbon Christian
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
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
JP4840557B2 (ja) * 2005-04-12 2011-12-21 日立オートモティブシステムズ株式会社 減衰力調整式油圧緩衝器
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

Also Published As

Publication number Publication date
US20110209956A1 (en) 2011-09-01
US8517154B2 (en) 2013-08-27
CN102168733A (zh) 2011-08-31
DE102011004740A1 (de) 2011-11-17
CN102168733B (zh) 2015-06-24
KR20110098616A (ko) 2011-09-01
JP2011179546A (ja) 2011-09-15

Similar Documents

Publication Publication Date Title
JP5418778B2 (ja) 緩衝器
JP5463684B2 (ja) 減衰力調整式緩衝器
JP5648790B2 (ja) 緩衝器
US8794400B2 (en) Damping force adjustable shock absorber
JP6188598B2 (ja) シリンダ装置
JP2011132995A (ja) 緩衝器
JP6351443B2 (ja) 緩衝器
CN107002809A (zh) 阻尼阀和缓冲器
JP2008267489A (ja) 流体圧緩衝器
JP4761474B2 (ja) 緩衝器のバルブ構造
JP2011158019A (ja) 緩衝器
CN111630295B (zh) 阻尼阀和缓冲器
JP2016050613A (ja) 緩衝器
WO2019194167A1 (ja) バルブ及び緩衝器
CN107002810A (zh) 阻尼阀和缓冲器
JP2011058561A (ja) 減衰バルブ
JP7485579B2 (ja) 減衰バルブおよび緩衝器
JP2011069443A (ja) 油圧緩衝器の減衰力調整構造
EP3333446B1 (en) Valve structure for buffer
JP2007100726A (ja) 油圧緩衝器
JP6442247B2 (ja) バルブ
JP6442248B2 (ja) 減衰バルブ及び緩衝器
JP2020085118A (ja) 減衰バルブ
JP2010151272A (ja) 油圧緩衝器の減衰力調整構造
JP2011043220A (ja) 油圧緩衝器の減衰力調整構造

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20130116

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20130116

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20131003

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20131009

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20131105

R150 Certificate of patent or registration of utility model

Ref document number: 5418778

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

S533 Written request for registration of change of name

Free format text: JAPANESE INTERMEDIATE CODE: R313533

R350 Written notification of registration of transfer

Free format text: JAPANESE INTERMEDIATE CODE: R350

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250