JPH0292154U - - Google Patents

Info

Publication number
JPH0292154U
JPH0292154U JP135189U JP135189U JPH0292154U JP H0292154 U JPH0292154 U JP H0292154U JP 135189 U JP135189 U JP 135189U JP 135189 U JP135189 U JP 135189U JP H0292154 U JPH0292154 U JP H0292154U
Authority
JP
Japan
Prior art keywords
passage hole
piston
chambers
damping force
cylinder
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.)
Pending
Application number
JP135189U
Other languages
English (en)
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 filed Critical
Priority to JP135189U priority Critical patent/JPH0292154U/ja
Priority to US07/458,541 priority patent/US5072812A/en
Priority to GB9000052A priority patent/GB2228059B/en
Priority to BR9000068A priority patent/BR9000068A/pt
Priority to KR2019900000165U priority patent/KR920008873Y1/ko
Publication of JPH0292154U publication Critical patent/JPH0292154U/ja
Pending legal-status Critical Current

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
    • F16F9/34—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
    • 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
    • F16F9/3405—Throttling passages in or on piston body, e.g. slots
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/7722—Line condition change responsive valves
    • Y10T137/7771—Bi-directional flow valves
    • Y10T137/778—Axes of ports co-axial
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/7722—Line condition change responsive valves
    • Y10T137/7837—Direct response valves [i.e., check valve type]
    • Y10T137/7859—Single head, plural ports in parallel
    • Y10T137/7861—Annular head
    • Y10T137/7862—Central post on seat

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Fluid-Damping Devices (AREA)

Description

【図面の簡単な説明】
第１図は、本考案の一実施例の油圧緩衝器の要
部の縦断面図（第２図の―線断面図）、第２
図は、第１図の―線断面図、第３図は、第１
図の―線断面図、第４図は、第２図の―
線断面図、第５図は、第１図に示した油圧緩衝器
の減衰力特性を示す図、第６図は、他の実施例の
油圧緩衝器の減衰力特性を示す図、第７図は、従
来の油圧緩衝器の一例の要部縦断面図である。な
お、第２図ないし第４図ではシリンダを省略して
いる。 １５…シリンダ、１７…ピストン、１９…シリ
ンダ上室、２０…シリンダ下室、２２…第１の縮
み側通路孔（第１の通路孔）、３３…バルブ部、
３５…第１の油室、３７…第２の油室、４２…第
２の縮み側通路孔（第２の通路孔）。

Claims (1)

  1. 【実用新案登録請求の範囲】 シリンダ内に摺動自在に嵌合したピストンによ
    り前記シリンダ内を２つの室に区画し、前記ピス
    トンに、前記シリンダ内でのピストンの摺動によ
    り前記区画された２つの室間で生じる油液の流動
    を制御して減衰力を発生させる減衰力発生機構を
    設けてなる油圧緩衝器において、 前記減衰力発生機構を、 前記ピストンにその軸線に対して傾斜させて形
    成され、前記２つの室を連通する第１の通路孔と
    、 該第１の通路孔の下流側に配置し、外径の異な
    る複数のデイスクバルブをピストン側が大径のデ
    イスクバルブとなるように積層させたバルブ部と
    、 前記ピストンの端面に形成された、前記第１の
    通路孔の下流側が開口する凹部と前記バルブ部と
    で構成される第１の油室と、 前記第１の通路孔と周方向で異なる位置にピス
    トンの軸線と平行に形成され、前記２つの室を連
    通する第２の通路孔と、 前記第１の油室を構成する凹部より径方向外方
    に形成された、前記第２の通路孔の下流側が開口
    する凹部と前記バルブ部とで構成される第２の油
    室と、 から構成したことを特徴とする油圧緩衝器。
JP135189U 1989-01-10 1989-01-10 Pending JPH0292154U (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP135189U JPH0292154U (ja) 1989-01-10 1989-01-10
US07/458,541 US5072812A (en) 1989-01-10 1989-12-29 Hydraulic shock absorber
GB9000052A GB2228059B (en) 1989-01-10 1990-01-03 Hydraulic shock absorber
BR9000068A BR9000068A (pt) 1989-01-10 1990-01-09 Absorvedor hidraulico de choques
KR2019900000165U KR920008873Y1 (ko) 1989-01-10 1990-01-10 유압 완충기

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP135189U JPH0292154U (ja) 1989-01-10 1989-01-10

Publications (1)

Publication Number Publication Date
JPH0292154U true JPH0292154U (ja) 1990-07-23

Family

ID=11499072

Family Applications (1)

Application Number Title Priority Date Filing Date
JP135189U Pending JPH0292154U (ja) 1989-01-10 1989-01-10

Country Status (5)

Country Link
US (1) US5072812A (ja)
JP (1) JPH0292154U (ja)
KR (1) KR920008873Y1 (ja)
BR (1) BR9000068A (ja)
GB (1) GB2228059B (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012169343A1 (ja) * 2011-06-08 2012-12-13 カヤバ工業株式会社 バルブ構造

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* Cited by examiner, † Cited by third party
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ES1014586Y (es) * 1990-07-10 1992-02-16 La Industrial Plastica Y Metalurgica, S.A. Piston para amortiguador.
FR2684957B1 (fr) * 1991-12-11 1994-03-04 Eram Dispositif d'ecretage pour amortisseur de train d'atterrissage d'aeronef, et amortisseur comportant un tel dispositif.
US5595269A (en) * 1993-05-10 1997-01-21 Fichtel & Sachs Ag Vibration damper for a motor vehicle
DE4404835A1 (de) * 1994-02-16 1995-08-17 Fichtel & Sachs Ag Werk Eitorf Dämpfventil für einen Schwingungsdämpfer
DE69506148T2 (de) * 1994-03-07 1999-05-06 Delphi Espana Automotive Sys Aufhängungsbein
GB2287299B (en) * 1994-03-07 1997-09-24 Acg Espana Sa Suspension strut
FR2738317B1 (fr) * 1995-08-31 1997-10-17 Soframca Piston a clapet flottant pour tube d'amortisseur hydraulique, notamment de type monotube
FR2757562B1 (fr) * 1996-12-24 1999-03-19 Total Sa Outil de forage avec amortisseurs de chocs
US6053486A (en) * 1998-03-16 2000-04-25 Suspa, Incorporated Damping cylinder
DE19932717C2 (de) * 1999-07-16 2001-11-15 Pnp Luftfedersysteme Gmbh Feder-Dämpfer-Einheit für ein Kraftfahrzeug
US6464053B1 (en) * 1999-07-26 2002-10-15 Tenneco Automotive Operating Company, Inc. Single piece piston
US6460664B1 (en) 2000-05-22 2002-10-08 Tenneco Automotive Inc. Independently tunable variable bleed orifice
US6371002B1 (en) * 2000-09-29 2002-04-16 The United States Of America As Represented By The Secretary Of The Navy Detachable shock-absorbing ram-plate
US20100170760A1 (en) 2009-01-07 2010-07-08 John Marking Remotely Operated Bypass for a Suspension Damper
US11306798B2 (en) 2008-05-09 2022-04-19 Fox Factory, Inc. Position sensitive suspension damping with an active valve
US10047817B2 (en) 2009-01-07 2018-08-14 Fox Factory, Inc. Method and apparatus for an adjustable damper
US9452654B2 (en) 2009-01-07 2016-09-27 Fox Factory, Inc. Method and apparatus for an adjustable damper
US9033122B2 (en) 2009-01-07 2015-05-19 Fox Factory, Inc. Method and apparatus for an adjustable damper
US10060499B2 (en) 2009-01-07 2018-08-28 Fox Factory, Inc. Method and apparatus for an adjustable damper
US8627932B2 (en) 2009-01-07 2014-01-14 Fox Factory, Inc. Bypass for a suspension damper
US8393446B2 (en) 2008-08-25 2013-03-12 David M Haugen Methods and apparatus for suspension lock out and signal generation
US9422018B2 (en) 2008-11-25 2016-08-23 Fox Factory, Inc. Seat post
US9140325B2 (en) 2009-03-19 2015-09-22 Fox Factory, Inc. Methods and apparatus for selective spring pre-load adjustment
US10036443B2 (en) 2009-03-19 2018-07-31 Fox Factory, Inc. Methods and apparatus for suspension adjustment
US11299233B2 (en) 2009-01-07 2022-04-12 Fox Factory, Inc. Method and apparatus for an adjustable damper
US10821795B2 (en) 2009-01-07 2020-11-03 Fox Factory, Inc. Method and apparatus for an adjustable damper
US9038791B2 (en) 2009-01-07 2015-05-26 Fox Factory, Inc. Compression isolator for a suspension damper
US8936139B2 (en) 2009-03-19 2015-01-20 Fox Factory, Inc. Methods and apparatus for suspension adjustment
US8672106B2 (en) 2009-10-13 2014-03-18 Fox Factory, Inc. Self-regulating suspension
US8955653B2 (en) 2009-10-13 2015-02-17 Fox Factory, Incorporated Methods and apparatus for controlling a fluid damper
US10697514B2 (en) 2010-01-20 2020-06-30 Fox Factory, Inc. Remotely operated bypass for a suspension damper
EP2402239B1 (en) 2010-07-02 2020-09-02 Fox Factory, Inc. Adjustable seat post
EP3636953B1 (en) 2011-05-31 2023-09-27 Fox Factory, Inc. Apparatus for position sensitive and/or adjustable suspension damping
EP2567839B1 (en) 2011-09-12 2019-03-13 Fox Factory, Inc. Methods and apparatus for suspension set up
JP5850688B2 (ja) * 2011-09-28 2016-02-03 日立オートモティブシステムズ株式会社 シリンダ装置の製造方法
US11279199B2 (en) 2012-01-25 2022-03-22 Fox Factory, Inc. Suspension damper with by-pass valves
US10330171B2 (en) 2012-05-10 2019-06-25 Fox Factory, Inc. Method and apparatus for an adjustable damper
CN107208728B (zh) * 2015-01-30 2019-12-13 日立汽车系统株式会社 流体压缓冲器
WO2017013766A1 (ja) * 2015-07-22 2017-01-26 Ｋｙｂ株式会社 ピストン
US10737546B2 (en) 2016-04-08 2020-08-11 Fox Factory, Inc. Electronic compression and rebound control
US10239376B2 (en) * 2016-09-22 2019-03-26 Beijingwest Industries Co., Ltd. Hydraulic damper with an x-flow piston assembly
KR20180083721A (ko) * 2017-01-13 2018-07-23 주식회사 만도 쇽업소버의 밸브구조
DE102017010876B4 (de) * 2017-11-24 2023-06-01 Günther Zimmer Zylinder-Kolben-Einheit mit lastabhängiger Drossel
CN109114149B (zh) * 2018-09-12 2020-11-03 杭州电子科技大学 一种轧机用分级阻尼减振装置
IL266688B2 (en) * 2019-05-16 2024-03-01 Evco Pro 2018 Ltd Hydraulic shock absorber for vehicles

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5096777A (ja) * 1973-12-28 1975-08-01
JPS5962706A (ja) * 1982-09-29 1984-04-10 Showa Mfg Co Ltd 油圧緩衝器の減衰力調整装置

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US2717058A (en) * 1952-11-20 1955-09-06 Gen Motors Corp Shock absorber control valve
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US4203507A (en) * 1977-04-29 1980-05-20 Honda Giken Kogyo Kabushiki Kaisha Shock absorber
JPS6131556Y2 (ja) * 1981-04-25 1986-09-13
US4624347A (en) * 1984-01-23 1986-11-25 Ford Motor Company Piston assembly for shock absorber
US4615420A (en) * 1984-01-23 1986-10-07 Ford Motor Company Piston assembly for shock absorber
DE3425671A1 (de) * 1984-07-12 1986-01-23 Philips Patentverwaltung Gmbh, 2000 Hamburg Verfahren und vorrichtung zum messen der daempfung an lichtwellenleitern
US4724937A (en) * 1984-09-04 1988-02-16 General Motors Corporation Hydraulic damper for vehicles with variable deflected disk piston valving
DE3523628A1 (de) * 1985-07-02 1987-01-15 Bayerische Motoren Werke Ag Ventilsystem fuer steuerbare, hydraulische schwingungsdaempfer
JP3009151B2 (ja) * 1988-04-04 2000-02-14 株式会社ユニシアジェックス 液圧緩衝器

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5096777A (ja) * 1973-12-28 1975-08-01
JPS5962706A (ja) * 1982-09-29 1984-04-10 Showa Mfg Co Ltd 油圧緩衝器の減衰力調整装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012169343A1 (ja) * 2011-06-08 2012-12-13 カヤバ工業株式会社 バルブ構造
US9033123B2 (en) 2011-06-08 2015-05-19 Kayaba Industry Co., Ltd. Valve structure

Also Published As

Publication number Publication date
GB2228059B (en) 1992-10-28
US5072812A (en) 1991-12-17
KR920008873Y1 (ko) 1992-12-22
GB9000052D0 (en) 1990-03-07
BR9000068A (pt) 1990-10-16
GB2228059A (en) 1990-08-15
KR900014665U (ko) 1990-08-02

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