KR102781228B1 - 완충기 - Google Patents

완충기 Download PDF

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Publication number
KR102781228B1
KR102781228B1 KR1020227041559A KR20227041559A KR102781228B1 KR 102781228 B1 KR102781228 B1 KR 102781228B1 KR 1020227041559 A KR1020227041559 A KR 1020227041559A KR 20227041559 A KR20227041559 A KR 20227041559A KR 102781228 B1 KR102781228 B1 KR 102781228B1
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KR
South Korea
Prior art keywords
friction member
piston rod
lip portion
lip
friction
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
KR1020227041559A
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English (en)
Korean (ko)
Other versions
KR20230008150A (ko
Inventor
유키 구리하라
Original Assignee
히다치 아스테모 가부시키가이샤
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.)
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Application filed by 히다치 아스테모 가부시키가이샤 filed Critical 히다치 아스테모 가부시키가이샤
Publication of KR20230008150A publication Critical patent/KR20230008150A/ko
Application granted granted Critical
Publication of KR102781228B1 publication Critical patent/KR102781228B1/ko
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Classifications

    • 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
    • B60G13/04—Resilient suspensions characterised by arrangement, location or type of vibration dampers having dampers dissipating energy, e.g. frictionally mechanically, e.g. having frictionally-engaging springs as damping elements
    • 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
    • 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
    • F16F7/00—Vibration-dampers; Shock-absorbers
    • F16F7/08—Vibration-dampers; Shock-absorbers with friction surfaces rectilinearly movable along each other
    • F16F7/09—Vibration-dampers; Shock-absorbers with friction surfaces rectilinearly movable along each other in dampers of the cylinder-and-piston 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
    • F16F9/10—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
    • 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
    • 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
    • B60G2202/23—Friction Damper
    • 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
    • B60G2204/10—Mounting of suspension elements
    • B60G2204/12—Mounting of springs or dampers
    • B60G2204/128—Damper mount on vehicle body or chassis
    • 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
    • B60G2204/10—Mounting of suspension elements
    • B60G2204/12—Mounting of springs or dampers
    • B60G2204/129—Damper mount on wheel suspension or knuckle
    • 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
    • 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
    • F16F2222/04—Friction
    • 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
    • F16F2230/00—Purpose; Design features
    • F16F2230/30—Sealing arrangements
    • 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)
KR1020227041559A 2020-06-29 2021-06-10 완충기 Active KR102781228B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2020111148 2020-06-29
JPJP-P-2020-111148 2020-06-29
PCT/JP2021/022159 WO2022004328A1 (ja) 2020-06-29 2021-06-10 緩衝器

Publications (2)

Publication Number Publication Date
KR20230008150A KR20230008150A (ko) 2023-01-13
KR102781228B1 true KR102781228B1 (ko) 2025-03-12

Family

ID=79315291

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020227041559A Active KR102781228B1 (ko) 2020-06-29 2021-06-10 완충기

Country Status (6)

Country Link
US (1) US20230304559A1 (https=)
JP (1) JP7412561B2 (https=)
KR (1) KR102781228B1 (https=)
CN (1) CN115735068A (https=)
DE (1) DE112021003461T5 (https=)
WO (1) WO2022004328A1 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7698419B2 (ja) * 2021-01-08 2025-06-25 カヤバ株式会社 緩衝器

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020095806A1 (ja) * 2018-11-05 2020-05-14 日立オートモティブシステムズ株式会社 緩衝器

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5810220B2 (ja) 1978-05-11 1983-02-24 積水化成品工業株式会社 熱可塑性樹脂波型発泡シ−トの製造方法
JPS5810220U (ja) 1981-07-15 1983-01-22 ティーディーケイ株式会社 ビデオテ−プレコ−ダ用磁気ヘツド
JP4546860B2 (ja) 2000-03-16 2010-09-22 日立オートモティブシステムズ株式会社 液圧緩衝器
JP3702416B2 (ja) 2000-03-16 2005-10-05 株式会社日立製作所 液圧緩衝器
JP2003130119A (ja) * 2001-10-19 2003-05-08 Showa Corp 油圧緩衝器のフリクション付与構造
JP2007057058A (ja) 2005-08-26 2007-03-08 Nok Corp ショックアブソーバのフリクション付与機構
JP2007092926A (ja) 2005-09-29 2007-04-12 Hitachi Ltd ショックアブソーバ
KR20140101885A (ko) * 2009-12-11 2014-08-20 생-고뱅 퍼포먼스 플라스틱스 코포레이션 스프링-활성화된 동적 실링 조립체를 위한 시스템, 방법 및 장치
JP5771118B2 (ja) * 2011-10-28 2015-08-26 カヤバ工業株式会社 密封装置及びこの密封装置を備える懸架装置
WO2014017611A1 (ja) 2012-07-27 2014-01-30 日立オートモティブシステムズ株式会社 液圧緩衝器
US9394998B2 (en) * 2012-10-04 2016-07-19 Federal-Mogul Corporation Radial shaft seal assembly with snap in auxiliary member
ITTO20130460A1 (it) * 2013-06-04 2014-12-05 Skf Ab Complesso di tenuta inseribile tra due organi relativamente scorrevoli
CA3053128C (en) * 2014-07-09 2021-10-19 Saint-Gobain Performance Plastics Corporation Polymer seal assembly
JP6850083B2 (ja) 2016-06-23 2021-03-31 Ｋｙｂ株式会社 緩衝器
JP7234636B2 (ja) 2019-01-10 2023-03-08 日本精工株式会社 ブラケット及びステアリング装置

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020095806A1 (ja) * 2018-11-05 2020-05-14 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
JP7412561B2 (ja) 2024-01-12
JPWO2022004328A1 (https=) 2022-01-06
DE112021003461T5 (de) 2023-04-27
KR20230008150A (ko) 2023-01-13
CN115735068A (zh) 2023-03-03
US20230304559A1 (en) 2023-09-28
WO2022004328A1 (ja) 2022-01-06

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PA0105 International application

Patent event date: 20221125

Patent event code: PA01051R01D

Comment text: International Patent Application

PA0201 Request for examination
PG1501 Laying open of application
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PE0902 Notice of grounds for rejection

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Patent event date: 20240419

Patent event code: PE09021S01D

E701 Decision to grant or registration of patent right
PE0701 Decision of registration

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Comment text: Decision to Grant Registration

Patent event date: 20241212

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PR0701 Registration of establishment

Comment text: Registration of Establishment

Patent event date: 20250310

Patent event code: PR07011E01D

PR1002 Payment of registration fee

Payment date: 20250310

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Start annual number: 1

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