JP7495925B2 - 車両サスペンションのための可変減衰油圧ショックアブソーバ - Google Patents

車両サスペンションのための可変減衰油圧ショックアブソーバ Download PDF

Info

Publication number
JP7495925B2
JP7495925B2 JP2021504387A JP2021504387A JP7495925B2 JP 7495925 B2 JP7495925 B2 JP 7495925B2 JP 2021504387 A JP2021504387 A JP 2021504387A JP 2021504387 A JP2021504387 A JP 2021504387A JP 7495925 B2 JP7495925 B2 JP 7495925B2
Authority
JP
Japan
Prior art keywords
valve
chamber
shock absorber
rebound
compression
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
JP2021504387A
Other languages
English (en)
Japanese (ja)
Other versions
JPWO2020021500A5 (enExample
JP2021531441A (ja
Inventor
ピエロ・アントニオ・コンティ
ファビオ・コット
マルコ・ディ・ヴィットーリオ
ジョルダーノ・グレコ
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.)
Marelli Suspension Systems Italy SpA
Original Assignee
Marelli Suspension Systems Italy SpA
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 Marelli Suspension Systems Italy SpA filed Critical Marelli Suspension Systems Italy SpA
Publication of JP2021531441A publication Critical patent/JP2021531441A/ja
Publication of JPWO2020021500A5 publication Critical patent/JPWO2020021500A5/ja
Application granted granted Critical
Publication of JP7495925B2 publication Critical patent/JP7495925B2/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
    • F16F9/10—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
    • F16F9/185—Bitubular units
    • 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
    • F16F9/44—Means on or in the damper for manual or non-automatic adjustment; such means combined with temperature correction
    • F16F9/46—Means on or in the damper for manual or non-automatic adjustment; such means combined with temperature correction allowing control from a distance, i.e. location of means for control input being remote from site of valves, e.g. on damper external wall
    • 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
    • F16F9/516—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 resulting in the damping effects during contraction being different from the damping effects during extension, i.e. responsive to the direction of movement
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G13/00—Resilient suspensions characterised by arrangement, location or type of vibration dampers
    • B60G13/02—Resilient suspensions characterised by arrangement, location or type of vibration dampers having dampers dissipating energy, e.g. frictionally
    • B60G13/06—Resilient suspensions characterised by arrangement, location or type of vibration dampers having dampers dissipating energy, e.g. frictionally of fluid type
    • B60G13/08—Resilient suspensions characterised by arrangement, location or type of vibration dampers having dampers dissipating energy, e.g. frictionally of fluid type hydraulic
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2202/00—Indexing codes relating to the type of spring, damper or actuator
    • B60G2202/20—Type of damper
    • B60G2202/24—Fluid damper
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
    • B60G2204/62—Adjustable continuously, e.g. during driving
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2206/00—Indexing codes related to the manufacturing of suspensions: constructional features, the materials used, procedures or tools
    • B60G2206/01—Constructional features of suspension elements, e.g. arms, dampers, springs
    • B60G2206/40—Constructional features of dampers and/or springs
    • B60G2206/41—Dampers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2500/00—Indexing codes relating to the regulated action or device
    • B60G2500/10—Damping action or damper
    • B60G2500/104—Damping action or damper continuous
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2500/00—Indexing codes relating to the regulated action or device
    • B60G2500/10—Damping action or damper
    • B60G2500/11—Damping valves
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2800/00—Indexing codes relating to the type of movement or to the condition of the vehicle and to the end result to be achieved by the control action
    • B60G2800/16—Running
    • B60G2800/162—Reducing road induced vibrations
    • 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
    • F16F2222/00—Special physical effects, e.g. nature of damping effects
    • F16F2222/12—Fluid damping
    • 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
    • F16F2228/00—Functional characteristics, e.g. variability, frequency-dependence
    • F16F2228/06—Stiffness
    • F16F2228/066—Variable stiffness
    • 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
    • F16F2232/00—Nature of movement
    • F16F2232/08—Linear
    • 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
    • F16F2234/00—Shape
    • F16F2234/02—Shape cylindrical

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Fluid-Damping Devices (AREA)
JP2021504387A 2018-07-27 2019-07-26 車両サスペンションのための可変減衰油圧ショックアブソーバ Active JP7495925B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
IT102018000007584 2018-07-27
IT102018000007584A IT201800007584A1 (it) 2018-07-27 2018-07-27 Ammortizzatore idraulico a smorzamento variabile, particolarmente per sospensione di veicolo.
PCT/IB2019/056386 WO2020021500A1 (en) 2018-07-27 2019-07-26 Variable-damping hydraulic shock-absorber for a vehicle suspension

Publications (3)

Publication Number Publication Date
JP2021531441A JP2021531441A (ja) 2021-11-18
JPWO2020021500A5 JPWO2020021500A5 (enExample) 2024-03-07
JP7495925B2 true JP7495925B2 (ja) 2024-06-05

Family

ID=63965820

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2021504387A Active JP7495925B2 (ja) 2018-07-27 2019-07-26 車両サスペンションのための可変減衰油圧ショックアブソーバ

Country Status (6)

Country Link
US (1) US11761508B2 (enExample)
EP (1) EP3830444B1 (enExample)
JP (1) JP7495925B2 (enExample)
CN (1) CN112513492B (enExample)
IT (1) IT201800007584A1 (enExample)
WO (1) WO2020021500A1 (enExample)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107939893B (zh) * 2017-12-29 2024-03-15 深圳职业技术学院 主动悬架系统、减振器以及减振部件
DE112020002656T5 (de) * 2019-06-05 2022-03-10 Hitachi Astemo, Ltd. Stoßdämpfer mit einstellbarer Dämpfungskraft
JP7168782B2 (ja) * 2019-06-26 2022-11-09 日立Astemo株式会社 緩衝器
CN115875392B (zh) * 2021-09-29 2025-02-11 比亚迪股份有限公司 车辆减震器以及车辆
JP2023130794A (ja) * 2022-03-08 2023-09-21 Ｋｙｂ株式会社 流体圧緩衝器
CN114848241A (zh) * 2022-04-27 2022-08-05 中国人民解放军空军军医大学 单双侧的脊柱腰椎减震关节突假体
CN119687145A (zh) * 2024-11-25 2025-03-25 上海淅减汽车悬架有限公司 一种新型内外置双电磁阀减振器
CN120759881B (zh) * 2025-09-10 2025-11-25 万向钱潮股份公司 一种主动减震器及安装方法

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002070921A (ja) 2000-09-01 2002-03-08 Tokico Ltd 減衰力調整式油圧緩衝器
DE102005053394A1 (de) 2004-11-11 2006-05-18 Zf Friedrichshafen Ag Schwingungsdämpfer mit verstellbarer Dämpfkraft
JP2011169462A (ja) 2010-02-22 2011-09-01 Korea Inter Cross Co Ltd 減衰力の調整が可能な分解組立式ショックアブソーバー
JP2014122656A (ja) 2012-12-20 2014-07-03 Yamaha Motor Hydraulic System Co Ltd ショックアブソーバ
JP2014144733A (ja) 2013-01-30 2014-08-14 Toyota Motor Corp 液圧式ショックアブソーバ
WO2018216716A1 (ja) 2017-05-26 2018-11-29 日立オートモティブシステムズ株式会社 緩衝器

Family Cites Families (50)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4031989A (en) * 1975-02-22 1977-06-28 Antonio Giner Blazquez Double effect hydraulic shock absorber
DE3231739A1 (de) * 1982-08-26 1984-03-01 Fichtel & Sachs Ag, 8720 Schweinfurt Zweirohr-schwingungsdaempfer oder federbein mit veraenderbarer daempfkraft
DE3816102C1 (enExample) * 1988-05-11 1989-07-13 Boge Ag, 5208 Eitorf, De
DE3925470C2 (de) * 1988-08-02 1996-04-18 Atsugi Motor Parts Co Ltd Stoßdämpfer mit einer Dämpfungsventilkonstruktion mit einer innerhalb eines großen Bereichs variablen Dämpfungscharakteristik
US5222759A (en) * 1990-02-27 1993-06-29 Robert Bosch Gmbh Apparatus for active control of body motions in motor vehicles
DE4007261A1 (de) * 1990-03-08 1991-09-12 Boge Ag Regelbarer schwingungsdaempfer
JPH0454339A (ja) * 1990-06-20 1992-02-21 Tokico Ltd 減衰力可変式油圧緩衝器
DE4105771A1 (de) * 1991-02-23 1992-08-27 Boge Ag Hydraulischer, verstellbarer schwingungsdaempfer fuer kraftfahrzeuge
DE4132262A1 (de) * 1991-09-27 1993-04-01 Teves Gmbh Alfred Hydraulischer regelbarer schwingungsdaempfer fuer kraftfahrzeuge
US5375683A (en) * 1992-01-17 1994-12-27 August Bilstein Gmbh & Co. Kg Controllable vibration damper for motor vehicles
JP3280725B2 (ja) * 1992-12-02 2002-05-13 オーリンス レーシング アクティエ ボラーグ 筒型ショックアブソーバ
US5586627A (en) * 1993-05-20 1996-12-24 Tokico, Ltd. Hydraulic shock absorber of damping force adjustable type
JP3306526B2 (ja) * 1993-05-20 2002-07-24 トキコ株式会社 減衰力調整式油圧緩衝器
ES2123382B1 (es) * 1994-06-24 1999-08-01 Fichtel & Sachs Ag Dispositivo para la amortiguacion de sistemas elasticos de suspension de rueda.
EP0715091B1 (de) * 1994-12-03 2002-07-10 ZF Sachs AG Schwingungsdämpfer mit einstellbarer Dämpfkraft
US5588510A (en) * 1995-09-25 1996-12-31 Husco International, Inc. Variable damping force shock absorber
JP3346221B2 (ja) * 1997-05-20 2002-11-18 三菱自動車工業株式会社 ショックアブソーバ
JPH1130264A (ja) * 1997-07-09 1999-02-02 Unisia Jecs Corp 減衰特性可変型緩衝器
DE10020778B4 (de) * 1999-04-28 2005-01-13 Tokico Ltd., Kawasaki Hydraulischer Stossdämpfer mit Dämpfungskraftregelung
US6464048B1 (en) * 2000-07-24 2002-10-15 Tenneco Automotive Inc. Solenoid actuated continuously variable shock absorber
US6668986B2 (en) * 2002-01-08 2003-12-30 Delphi Technologies, Inc. Active hydraulic fluid vehicular suspension damper
US20030192755A1 (en) * 2002-04-16 2003-10-16 Barbison James M. Shock absorber with toroidal solenoid adjustable damping
US6926128B2 (en) * 2003-06-10 2005-08-09 Arvin Technologies, Inc. Adaptive shock damping control
US7438164B2 (en) * 2003-12-08 2008-10-21 Tenneco Automotive Operating Company Inc. Solenoid actuated continuously variable servo valve for adjusting damping in shock absorbers and struts
DE102004054474B3 (de) * 2004-11-11 2006-06-08 Zf Friedrichshafen Ag Schwingungsdämpfer mit verstellbarer Dämpfkraft
DE202005011439U1 (de) * 2005-07-18 2006-11-23 Hemscheidt Fahrwerktechnik Gmbh & Co. Kg Federungseinrichtung für Kraftfahrzeuge
DE102005048949B3 (de) * 2005-10-13 2006-12-14 Zf Friedrichshafen Ag Schwingungsdämpfer mit verstellbarer Dämpfkraft
US7926632B2 (en) * 2007-04-16 2011-04-19 Tenneco Automotive Operating Company Inc. Shock absorber having a continuously variable valve with base line valving
US7950506B2 (en) * 2007-07-31 2011-05-31 Tenneco Automotive Operating Company Inc. Semi third tube design
JP5212794B2 (ja) * 2008-04-25 2013-06-19 日立オートモティブシステムズ株式会社 シリンダ装置及びこれを用いたスタビライザ装置。
US8534687B2 (en) * 2010-07-05 2013-09-17 Fluid Ride Ltd. Suspension strut for a vehicle
IT1401610B1 (it) * 2010-08-04 2013-07-26 Sistemi Sospensioni Spa Pistone per ammortizzatore a smorzamento variabile, particolarmente per sospensione di veicolo, provvisto di quattro valvole passive di controllo del flusso e di un'elettrovalvola di ripartizione del flusso.
CN102168732B (zh) * 2010-12-15 2012-11-28 长春孔辉汽车科技有限公司 半主动减振器
DE102011100307A1 (de) * 2011-05-03 2012-11-08 Daimler Ag Landgebundenes Personenkraftfahrzeug mit einer Entkopplungsvorrichtung sowie Verfahren zum Entkoppeln einer Karosserie des landgebundenen Personenkraftfahrzeugs
US9062737B2 (en) * 2012-06-04 2015-06-23 Mclaren Automotive Limited Shock absorber with four chambers
JP5731453B2 (ja) * 2012-08-24 2015-06-10 カヤバ工業株式会社 ダンパ
JP6134957B2 (ja) * 2012-09-28 2017-05-31 日立オートモティブシステムズ株式会社 緩衝器
JP6346908B2 (ja) * 2013-02-28 2018-06-20 テネコ オートモティブ オペレーティング カンパニー インコーポレイテッドＴｅｎｎｅｃｏ Ａｕｔｏｍｏｔｉｖｅ Ｏｐｅｒａｔｉｎｇ Ｃｏｍｐａｎｙ Ｉｎｃ． 統合された電子回路を有するダンパ
EP2977643B1 (en) * 2013-03-22 2018-09-26 KYB Corporation Shock absorber
KR101771690B1 (ko) * 2013-05-14 2017-08-25 주식회사 만도 로드 가이드에 설치된 부가밸브를 갖는 감쇠력 가변식 쇽업소버
KR101761868B1 (ko) * 2013-08-14 2017-07-26 주식회사 만도 듀얼 솔레노이드 밸브 구조의 감쇠력 가변식 쇽업소버
DE102014208367B4 (de) * 2014-05-05 2022-10-27 Zf Friedrichshafen Ag Dämpfventileinrichtung für einen Schwingungsdämpfer
JP6434869B2 (ja) * 2015-07-13 2018-12-05 Ｋｙｂ株式会社 減衰弁および緩衝器
JP6514608B2 (ja) * 2015-09-02 2019-05-15 Ｋｙｂ株式会社 緩衝装置
KR102471853B1 (ko) * 2015-10-22 2022-11-30 에이치엘만도 주식회사 감쇠력 가변식 쇽업소버
CN206000927U (zh) * 2016-09-13 2017-03-08 常熟理工学院 比例电磁铁式汽车减震器用调节阀总成
DE102016219117B4 (de) * 2016-09-30 2022-02-24 Thyssenkrupp Ag Schwingungsdämpfer für ein Kraftfahrzeug und ein Verfahren zum Herstellen einer Presspassung zwischen einem Dämpferinnenrohr und mindestens einer Trennscheibe
US10393210B2 (en) * 2016-11-18 2019-08-27 Beijingwest Industries Co., Ltd. Dual mode hydraulic damper
IT201700006900A1 (it) * 2017-01-23 2018-07-23 Sistemi Sospensioni Spa Attuatore lineare idraulico con sistema di bloccaggio atto a bloccare il movimento di compressione dell'attuatore.
DE102019108070A1 (de) * 2019-03-28 2020-10-01 Thyssenkrupp Ag Schwingungsdämpfer und Fahrzeug

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002070921A (ja) 2000-09-01 2002-03-08 Tokico Ltd 減衰力調整式油圧緩衝器
DE102005053394A1 (de) 2004-11-11 2006-05-18 Zf Friedrichshafen Ag Schwingungsdämpfer mit verstellbarer Dämpfkraft
JP2011169462A (ja) 2010-02-22 2011-09-01 Korea Inter Cross Co Ltd 減衰力の調整が可能な分解組立式ショックアブソーバー
JP2014122656A (ja) 2012-12-20 2014-07-03 Yamaha Motor Hydraulic System Co Ltd ショックアブソーバ
JP2014144733A (ja) 2013-01-30 2014-08-14 Toyota Motor Corp 液圧式ショックアブソーバ
WO2018216716A1 (ja) 2017-05-26 2018-11-29 日立オートモティブシステムズ株式会社 緩衝器

Also Published As

Publication number Publication date
CN112513492B (zh) 2022-10-11
US11761508B2 (en) 2023-09-19
EP3830444A1 (en) 2021-06-09
CN112513492A (zh) 2021-03-16
EP3830444B1 (en) 2022-10-26
US20210310535A1 (en) 2021-10-07
WO2020021500A1 (en) 2020-01-30
JP2021531441A (ja) 2021-11-18
IT201800007584A1 (it) 2020-01-27

Similar Documents

Publication Publication Date Title
JP7495925B2 (ja) 車両サスペンションのための可変減衰油圧ショックアブソーバ
US10962081B2 (en) Damper with dual springs
US7950506B2 (en) Semi third tube design
CN100425862C (zh) 减震器
CN113195932A (zh) 具有单个外部控制阀的阻尼器
JP4768648B2 (ja) 緩衝装置
CN111512063B (zh) 旋转阻尼器，特别是用于车辆悬架
CN110486406B (zh) 液压阻尼器
EP0297194B1 (en) Variable rate shock absorber
US20030192755A1 (en) Shock absorber with toroidal solenoid adjustable damping
WO2023129312A1 (en) Damper with a slanted elliptical seal between an intermediate tube and an inner pressure tube
EP3872363B1 (en) A damper assembly and a housing for the damper assembly
US11047445B2 (en) Damper with dual pistons
US10302169B2 (en) Hydraulic vibration damper
JP2019113171A (ja) 緩衝器
JP2003042215A (ja) 車両用エアサスペンション装置
JP5878841B2 (ja) 緩衝装置
JPWO2020021500A5 (enExample)
JP2008008471A (ja) 減衰力調整式油圧緩衝器
JP2007321864A (ja) 減衰力調整式油圧緩衝器
JP4909766B2 (ja) 緩衝装置
KR102532579B1 (ko) 능동 현가 시스템
CN116181834B (zh) 阻尼器组件
KR101913142B1 (ko) 쇽업소버용 감쇠력 가변 기구 및 이를 포함하는 쇽업소버 조립체
KR101263461B1 (ko) 통합형 현가장치

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20220705

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20220705

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20230728

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20230829

A601 Written request for extension of time

Free format text: JAPANESE INTERMEDIATE CODE: A601

Effective date: 20231128

A601 Written request for extension of time

Free format text: JAPANESE INTERMEDIATE CODE: A601

Effective date: 20240126

A524 Written submission of copy of amendment under article 19 pct

Free format text: JAPANESE INTERMEDIATE CODE: A524

Effective date: 20240228

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: 20240507

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20240524

R150 Certificate of patent or registration of utility model

Ref document number: 7495925

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150