JP5758119B2 - 緩衝器 - Google Patents

緩衝器 Download PDF

Info

Publication number
JP5758119B2
JP5758119B2 JP2010292388A JP2010292388A JP5758119B2 JP 5758119 B2 JP5758119 B2 JP 5758119B2 JP 2010292388 A JP2010292388 A JP 2010292388A JP 2010292388 A JP2010292388 A JP 2010292388A JP 5758119 B2 JP5758119 B2 JP 5758119B2
Authority
JP
Japan
Prior art keywords
piston
passage
surface portion
housing
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
JP2010292388A
Other languages
English (en)
Japanese (ja)
Other versions
JP2011202801A (ja
JP2011202801A5 (enExample
Inventor
篤 前田
篤 前田
神山　勝
勝 神山
幹郎 山下
幹郎 山下
山岡　史之
史之 山岡
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 JP2010292388A priority Critical patent/JP5758119B2/ja
Priority to US13/036,598 priority patent/US8590680B2/en
Priority to DE102011004962.2A priority patent/DE102011004962B4/de
Priority to KR1020110018614A priority patent/KR101800891B1/ko
Priority to CN201110050612.8A priority patent/CN102192267B/zh
Publication of JP2011202801A publication Critical patent/JP2011202801A/ja
Publication of JP2011202801A5 publication Critical patent/JP2011202801A5/ja
Application granted granted Critical
Publication of JP5758119B2 publication Critical patent/JP5758119B2/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
    • F16F9/50—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
    • 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)
JP2010292388A 2010-03-03 2010-12-28 緩衝器 Active JP5758119B2 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP2010292388A JP5758119B2 (ja) 2010-03-03 2010-12-28 緩衝器
US13/036,598 US8590680B2 (en) 2010-03-03 2011-02-28 Shock absorber
DE102011004962.2A DE102011004962B4 (de) 2010-03-03 2011-03-02 Stoßdämpfer
KR1020110018614A KR101800891B1 (ko) 2010-03-03 2011-03-02 완충기
CN201110050612.8A CN102192267B (zh) 2010-03-03 2011-03-03 缓冲器

Applications Claiming Priority (3)

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

Publications (3)

Publication Number Publication Date
JP2011202801A JP2011202801A (ja) 2011-10-13
JP2011202801A5 JP2011202801A5 (enExample) 2014-01-30
JP5758119B2 true JP5758119B2 (ja) 2015-08-05

Family

ID=44530345

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2010292388A Active JP5758119B2 (ja) 2010-03-03 2010-12-28 緩衝器

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
WO2014148599A1 (ja) * 2013-03-22 2014-09-25 カヤバ工業株式会社 緩衝装置
DE112014005430T5 (de) * 2013-11-29 2016-08-25 Hitachi Automotive Systems, Ltd. Stoßdämpfer
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
WO2016056066A1 (ja) * 2014-10-07 2016-04-14 藤倉ゴム工業株式会社 多段ピストンアクチュエータ
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
DE112018000417T5 (de) * 2017-01-18 2019-10-02 Hitachi Automotive Systems, Ltd. Stoßdämpfer
JP6838220B2 (ja) * 2017-03-10 2021-03-03 日立Astemo株式会社 緩衝器
JP2018162880A (ja) * 2017-03-28 2018-10-18 Ｋｙｂ株式会社 緩衝器
DE112018003791T5 (de) 2017-07-26 2020-04-23 Hitachi Automotive Systems, Ltd. Stoßdämpfer und Verfahren zur Herstellung desselben
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

Family Cites Families (18)

* 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
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
GB2250080B (en) * 1990-10-19 1994-08-17 Tokico Ltd Hydraulic shock absorber
JPH06147252A (ja) * 1992-09-18 1994-05-27 Tokico Ltd 油圧緩衝器
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
US6220409B1 (en) * 1999-05-06 2001-04-24 Tenneco Automotive Inc. Stroke dependent bypass
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
US7216747B2 (en) * 2004-10-14 2007-05-15 Tenneco Automotive Operating Company Inc. Amplitude controlled orifice valving
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
KR100894799B1 (ko) * 2007-12-05 2009-04-22 주식회사 만도 쇽업소버
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

Also Published As

Publication number Publication date
DE102011004962A8 (de) 2012-03-22
JP2011202801A (ja) 2011-10-13
CN102192267A (zh) 2011-09-21
KR101800891B1 (ko) 2017-11-23
DE102011004962A1 (de) 2011-12-29
CN102192267B (zh) 2015-01-14
US20110214955A1 (en) 2011-09-08
US8590680B2 (en) 2013-11-26
KR20110100164A (ko) 2011-09-09
DE102011004962B4 (de) 2024-10-17

Similar Documents

Publication Publication Date Title
JP5758119B2 (ja) 緩衝器
JP6076433B2 (ja) 緩衝器
JP5758235B2 (ja) 緩衝器
JP5809801B2 (ja) 緩衝器
JP5684925B2 (ja) 緩衝器
JP5783771B2 (ja) 緩衝器
JP6078635B2 (ja) 緩衝器およびこれを用いた車両
CN102192265A (zh) 缓冲器
JP6663920B2 (ja) 緩衝器
KR101822194B1 (ko) 완충기
JP2020016288A (ja) 緩衝器
EP3333446B1 (en) Valve structure for buffer
JP5851159B2 (ja) 緩衝器
JP5894874B2 (ja) 緩衝器
JP5639879B2 (ja) 緩衝器
JP2013204779A (ja) 緩衝器
JP5639881B2 (ja) 緩衝器
JP7154167B2 (ja) 緩衝器
JP5639882B2 (ja) 緩衝器
JP2019183920A (ja) バルブ及び緩衝器

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20131206

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20131206

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20140826

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20140909

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20141110

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: 20150507

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20150603

R150 Certificate of patent or registration of utility model

Ref document number: 5758119

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150

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