KR101800891B1 - 완충기 - Google Patents

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Publication number
KR101800891B1
KR101800891B1 KR1020110018614A KR20110018614A KR101800891B1 KR 101800891 B1 KR101800891 B1 KR 101800891B1 KR 1020110018614 A KR1020110018614 A KR 1020110018614A KR 20110018614 A KR20110018614 A KR 20110018614A KR 101800891 B1 KR101800891 B1 KR 101800891B1
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KR
South Korea
Prior art keywords
piston
passage
surface portion
housing
free piston
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Active
Application number
KR1020110018614A
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English (en)
Korean (ko)
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KR20110100164A (ko
Inventor
아츠시 마에다
마사루 고우야마
미키오 야마시타
후미유키 야마오카
Original Assignee
히다치 오토모티브 시스템즈 가부시키가이샤
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Publication of KR20110100164A publication Critical patent/KR20110100164A/ko
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Publication of KR101800891B1 publication Critical patent/KR101800891B1/ko
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    • 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)
KR1020110018614A 2010-03-03 2011-03-02 완충기 Active KR101800891B1 (ko)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2010047055 2010-03-03
JPJP-P-2010-047055 2010-03-03
JPJP-P-2010-292388 2010-12-28
JP2010292388A JP5758119B2 (ja) 2010-03-03 2010-12-28 緩衝器

Publications (2)

Publication Number Publication Date
KR20110100164A KR20110100164A (ko) 2011-09-09
KR101800891B1 true KR101800891B1 (ko) 2017-11-23

Family

ID=44530345

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020110018614A Active KR101800891B1 (ko) 2010-03-03 2011-03-02 완충기

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
KR102139846B1 (ko) * 2013-11-29 2020-07-30 히다치 오토모티브 시스템즈 가부시키가이샤 완충기
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
US10941830B2 (en) * 2017-01-18 2021-03-09 Hitachi Automotive Systems, Ltd. Shock absorber
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
MX2020000551A (es) 2017-07-26 2020-09-10 Hitachi Astemo Ltd Amortiguador y metodo de fabricacion del mismo.
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
JP7738759B2 (ja) * 2022-07-08 2025-09-12 Ａｓｔｅｍｏ株式会社 減衰力発生機構

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006010069A (ja) * 2004-05-25 2006-01-12 Hitachi Ltd 油圧緩衝器
JP2008089037A (ja) 2006-09-29 2008-04-17 Hitachi Ltd 減衰力調整式油圧緩衝器

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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
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
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
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
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

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006010069A (ja) * 2004-05-25 2006-01-12 Hitachi Ltd 油圧緩衝器
JP2008089037A (ja) 2006-09-29 2008-04-17 Hitachi Ltd 減衰力調整式油圧緩衝器

Also Published As

Publication number Publication date
JP2011202801A (ja) 2011-10-13
DE102011004962A1 (de) 2011-12-29
US20110214955A1 (en) 2011-09-08
CN102192267A (zh) 2011-09-21
CN102192267B (zh) 2015-01-14
US8590680B2 (en) 2013-11-26
DE102011004962B4 (de) 2024-10-17
DE102011004962A8 (de) 2012-03-22
KR20110100164A (ko) 2011-09-09
JP5758119B2 (ja) 2015-08-05

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