JP7330384B2 - 緩衝器 - Google Patents

緩衝器 Download PDF

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Publication number
JP7330384B2
JP7330384B2 JP2022540150A JP2022540150A JP7330384B2 JP 7330384 B2 JP7330384 B2 JP 7330384B2 JP 2022540150 A JP2022540150 A JP 2022540150A JP 2022540150 A JP2022540150 A JP 2022540150A JP 7330384 B2 JP7330384 B2 JP 7330384B2
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JP
Japan
Prior art keywords
passage
chamber
damping force
piston
valve
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
JP2022540150A
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English (en)
Japanese (ja)
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JPWO2022024755A1 (https=
JPWO2022024755A5 (https=
Inventor
幹郎 山下
崇将 小谷
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.)
Astemo Ltd
Original Assignee
Hitachi Astemo 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
Application filed by Hitachi Astemo Ltd filed Critical Hitachi Astemo Ltd
Publication of JPWO2022024755A1 publication Critical patent/JPWO2022024755A1/ja
Publication of JPWO2022024755A5 publication Critical patent/JPWO2022024755A5/ja
Application granted granted Critical
Publication of JP7330384B2 publication Critical patent/JP7330384B2/ja
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
    • F16F9/32—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
    • F16F9/34—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
    • F16F9/3482—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 the annular discs being incorporated within 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
    • F16F9/348—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
    • F16F9/3484—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 characterised by features of the annular discs per se, singularly or in combination
    • 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
    • F16F9/48—Arrangements for providing different damping effects at different parts of the stroke
    • 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
    • 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
    • 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
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Fluid-Damping Devices (AREA)
JP2022540150A 2020-07-29 2021-07-14 緩衝器 Active JP7330384B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2020128096 2020-07-29
JP2020128096 2020-07-29
PCT/JP2021/026396 WO2022024755A1 (ja) 2020-07-29 2021-07-14 緩衝器

Publications (3)

Publication Number Publication Date
JPWO2022024755A1 JPWO2022024755A1 (https=) 2022-02-03
JPWO2022024755A5 JPWO2022024755A5 (https=) 2023-02-16
JP7330384B2 true JP7330384B2 (ja) 2023-08-21

Family

ID=80036295

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2022540150A Active JP7330384B2 (ja) 2020-07-29 2021-07-14 緩衝器

Country Status (6)

Country Link
US (1) US12435771B2 (https=)
JP (1) JP7330384B2 (https=)
KR (1) KR102716570B1 (https=)
CN (1) CN116134239A (https=)
DE (1) DE112021004034T5 (https=)
WO (1) WO2022024755A1 (https=)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116171356A (zh) * 2020-07-29 2023-05-26 日立安斯泰莫株式会社 缓冲器
JP7350182B2 (ja) 2020-07-29 2023-09-25 日立Astemo株式会社 緩衝器
DE102023122424A1 (de) * 2023-08-22 2025-02-27 Thyssenkrupp Ag Dämpfungsventileinrichtung für einen Stoßdämpfer eines Kraftfahrzeugs

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005054923A (ja) 2003-08-06 2005-03-03 Kayaba Ind Co Ltd 空圧緩衝器
JP2014070643A (ja) 2012-09-27 2014-04-21 Kayaba Ind Co Ltd 緩衝器
WO2017047623A1 (ja) 2015-09-14 2017-03-23 日立オートモティブシステムズ株式会社 緩衝器
JP2017145891A (ja) 2016-02-17 2017-08-24 株式会社ショーワ 圧力緩衝装置
JP2019163769A (ja) 2016-07-26 2019-09-26 日立オートモティブシステムズ株式会社 緩衝器

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58116211A (ja) 1981-12-28 1983-07-11 Kayaba Ind Co Ltd 積載量感応式シヨツクアブソ−バ
JPH0241666A (ja) 1988-07-29 1990-02-09 Matsushita Refrig Co Ltd トランジスタインバータ装置
JP5468465B2 (ja) 2010-05-28 2014-04-09 日立オートモティブシステムズ株式会社 緩衝器
JP5536600B2 (ja) 2010-09-24 2014-07-02 株式会社ショーワ 周波数応答型液圧緩衝装置
KR102139846B1 (ko) 2013-11-29 2020-07-30 히다치 오토모티브 시스템즈 가부시키가이샤 완충기
KR102588959B1 (ko) * 2015-09-14 2023-10-12 히다치 아스테모 가부시키가이샤 완충기
JP6923042B2 (ja) 2016-06-21 2021-08-18 カシオ計算機株式会社 照射ユニット、熱膨張性シートの膨張方法、および立体画像形成方法
KR102159890B1 (ko) * 2016-09-27 2020-09-24 히다치 오토모티브 시스템즈 가부시키가이샤 완충기
JP2018076920A (ja) 2016-11-09 2018-05-17 トヨタ自動車株式会社 ショックアブソーバ
CN113631832A (zh) * 2019-03-26 2021-11-09 日立安斯泰莫株式会社 缓冲器
JP7129565B2 (ja) * 2019-06-05 2022-09-01 日立Astemo株式会社 減衰力調整式緩衝器
US12031606B2 (en) 2019-06-26 2024-07-09 Hitachi Astemo, Ltd. Shock absorber
JP7350182B2 (ja) 2020-07-29 2023-09-25 日立Astemo株式会社 緩衝器
DE112022004296T5 (de) * 2021-09-08 2024-07-18 Hitachi Astemo, Ltd. Stoßdämpfer
KR102944731B1 (ko) 2021-09-30 2026-03-31 에이치엘만도 주식회사 주파수 감응형 쇽 업소버
KR102926674B1 (ko) * 2021-11-26 2026-02-11 아스테모 가부시키가이샤 완충기

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005054923A (ja) 2003-08-06 2005-03-03 Kayaba Ind Co Ltd 空圧緩衝器
JP2014070643A (ja) 2012-09-27 2014-04-21 Kayaba Ind Co Ltd 緩衝器
WO2017047623A1 (ja) 2015-09-14 2017-03-23 日立オートモティブシステムズ株式会社 緩衝器
JP2017145891A (ja) 2016-02-17 2017-08-24 株式会社ショーワ 圧力緩衝装置
JP2019163769A (ja) 2016-07-26 2019-09-26 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
US20230287954A1 (en) 2023-09-14
WO2022024755A1 (ja) 2022-02-03
CN116134239A (zh) 2023-05-16
JPWO2022024755A1 (https=) 2022-02-03
DE112021004034T5 (de) 2023-05-17
KR20230008789A (ko) 2023-01-16
KR102716570B1 (ko) 2024-10-11
US12435771B2 (en) 2025-10-07

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