CN104315066B - 缓冲器 - Google Patents

缓冲器 Download PDF

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Publication number
CN104315066B
CN104315066B CN201410411976.8A CN201410411976A CN104315066B CN 104315066 B CN104315066 B CN 104315066B CN 201410411976 A CN201410411976 A CN 201410411976A CN 104315066 B CN104315066 B CN 104315066B
Authority
CN
China
Prior art keywords
piston
free
housing
path
face
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
CN201410411976.8A
Other languages
English (en)
Chinese (zh)
Other versions
CN104315066A (zh
Inventor
前田笃
神山胜
山下干郎
山冈史之
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
Priority claimed from JP2010267390A external-priority patent/JP5639865B2/ja
Priority claimed from JP2010291644A external-priority patent/JP5809801B2/ja
Application filed by Hitachi Automotive Systems Ltd filed Critical Hitachi Automotive Systems Ltd
Priority claimed from CN201110050019.3A external-priority patent/CN102192265B/zh
Publication of CN104315066A publication Critical patent/CN104315066A/zh
Application granted granted Critical
Publication of CN104315066B publication Critical patent/CN104315066B/zh
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F16F9/10—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using liquid only; using a fluid of which the nature is immaterial
    • F16F9/14—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect
    • F16F9/16—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect involving only straight-line movement of the effective parts
    • F16F9/18—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect involving only straight-line movement of the effective parts with a closed cylinder and a piston separating two or more working spaces therein
    • F16F9/19—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect involving only straight-line movement of the effective parts with a closed cylinder and a piston separating two or more working spaces therein with a single cylinder and of single-tube type
    • 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
    • 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
    • F16F9/3207—Constructional features
    • F16F9/3214—Constructional features of 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
    • 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
    • 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
    • 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)
CN201410411976.8A 2010-03-02 2011-03-02 缓冲器 Active CN104315066B (zh)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
JP045727/10 2010-03-02
JP2010045727 2010-03-02
JP2010267390A JP5639865B2 (ja) 2010-03-02 2010-11-30 緩衝器
JP267390/10 2010-11-30
JP2010291644A JP5809801B2 (ja) 2010-12-28 2010-12-28 緩衝器
JP291644/10 2010-12-28
CN201110050019.3A CN102192265B (zh) 2010-03-02 2011-03-02 缓冲器

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CN201110050019.3A Division CN102192265B (zh) 2010-03-02 2011-03-02 缓冲器

Publications (2)

Publication Number Publication Date
CN104315066A CN104315066A (zh) 2015-01-28
CN104315066B true CN104315066B (zh) 2016-12-07

Family

ID=44952452

Family Applications (2)

Application Number Title Priority Date Filing Date
CN201410411976.8A Active CN104315066B (zh) 2010-03-02 2011-03-02 缓冲器
CN201410411686.3A Active CN104315063B (zh) 2010-03-02 2011-03-02 缓冲器

Family Applications After (1)

Application Number Title Priority Date Filing Date
CN201410411686.3A Active CN104315063B (zh) 2010-03-02 2011-03-02 缓冲器

Country Status (3)

Country Link
KR (1) KR101822194B1 (de)
CN (2) CN104315066B (de)
DE (1) DE102011012730B4 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6027451B2 (ja) 2013-01-25 2016-11-16 Ｋｙｂ株式会社 緩衝装置
DE102013008884A1 (de) * 2013-05-27 2014-08-28 Thyssenkrupp Bilstein Gmbh Schwingungsdämpfer für ein Fahrzeug
DE102016223486A1 (de) * 2016-01-27 2017-07-27 Suspa Gmbh Fluidgefüllte Kolben-Zylinder-Einheit
DE102016217117A1 (de) 2016-09-08 2016-12-01 Zf Friedrichshafen Ag Frequenzselektive Dämpfventilanordnung
JP2018048719A (ja) * 2016-09-23 2018-03-29 Ｋｙｂ株式会社 緩衝器
JP6942185B2 (ja) * 2017-07-26 2021-09-29 日立Astemo株式会社 緩衝器およびその製造方法
CN107237852B (zh) * 2017-08-08 2022-07-12 台州九桔科技股份有限公司 一种减震器
CN111322344A (zh) * 2020-04-26 2020-06-23 中国工程物理研究院总体工程研究所 一种适用于导向跌落试验的渐变节流式缓冲装置

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4768627A (en) * 1987-01-23 1988-09-06 Tayco Developments, Inc. Frictionless hydraulic damper and damper-snubber
DE10051971C1 (de) * 2000-10-20 2002-03-28 Krupp Bilstein Gmbh Arbeitskolben für einen hydraulischen Stoßdämpfer und Verfahren zu seiner Hers tellung
CN1871452A (zh) * 2003-09-17 2006-11-29 坦尼科汽车操作有限公司 与行程相关的旁路
CN101074713A (zh) * 2006-05-17 2007-11-21 株式会社三友交易 液压减震器
CN101305203A (zh) * 2005-11-08 2008-11-12 萱场工业株式会社 车辆用单筒型液压缓冲器

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
JP3354212B2 (ja) 1993-06-30 2002-12-09 三洋電機株式会社 吸収冷温水機
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
JPH0777233A (ja) 1993-09-09 1995-03-20 Tokico Ltd 減衰力調整式油圧緩衝器
US6220409B1 (en) * 1999-05-06 2001-04-24 Tenneco Automotive Inc. Stroke dependent bypass
JP4726049B2 (ja) * 2005-06-06 2011-07-20 カヤバ工業株式会社 緩衝装置
JP4753238B2 (ja) * 2005-09-09 2011-08-24 ヤマハ発動機株式会社 油圧緩衝器
ITTO20070908A1 (it) * 2007-12-18 2009-06-19 Vhit Spa Valvola di bilanciamento della frenatura, per un trattore agricolo o veicolo similare
JP2009243530A (ja) * 2008-03-28 2009-10-22 Hitachi Ltd 流体圧緩衝器

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4768627A (en) * 1987-01-23 1988-09-06 Tayco Developments, Inc. Frictionless hydraulic damper and damper-snubber
DE10051971C1 (de) * 2000-10-20 2002-03-28 Krupp Bilstein Gmbh Arbeitskolben für einen hydraulischen Stoßdämpfer und Verfahren zu seiner Hers tellung
CN1871452A (zh) * 2003-09-17 2006-11-29 坦尼科汽车操作有限公司 与行程相关的旁路
CN101305203A (zh) * 2005-11-08 2008-11-12 萱场工业株式会社 车辆用单筒型液压缓冲器
CN101074713A (zh) * 2006-05-17 2007-11-21 株式会社三友交易 液压减震器

Also Published As

Publication number Publication date
DE102011012730B4 (de) 2021-04-29
KR20110099659A (ko) 2011-09-08
KR101822194B1 (ko) 2018-01-25
CN104315066A (zh) 2015-01-28
DE102011012730A1 (de) 2012-01-05
CN104315063B (zh) 2017-10-24
CN104315063A (zh) 2015-01-28

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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
TR01 Transfer of patent right

Effective date of registration: 20210707

Address after: Ibaraki

Patentee after: Hitachi astemo Co.,Ltd.

Address before: Ibaraki

Patentee before: HITACHI AUTOMOTIVE SYSTEMS, Ltd.