DE112021005363T5 - Stoßdämpfer - Google Patents

Stoßdämpfer Download PDF

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Publication number
DE112021005363T5
DE112021005363T5 DE112021005363.9T DE112021005363T DE112021005363T5 DE 112021005363 T5 DE112021005363 T5 DE 112021005363T5 DE 112021005363 T DE112021005363 T DE 112021005363T DE 112021005363 T5 DE112021005363 T5 DE 112021005363T5
Authority
DE
Germany
Prior art keywords
passage
valve
chamber
piston
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
DE112021005363.9T
Other languages
German (de)
English (en)
Inventor
Mikio Yamashita
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 DE112021005363T5 publication Critical patent/DE112021005363T5/de
Pending legal-status Critical Current

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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
    • 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
    • F16F9/3481—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 shape or construction of throttling passages in piston
    • 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
    • F16F9/50—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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Fluid-Damping Devices (AREA)
  • Vehicle Body Suspensions (AREA)
DE112021005363.9T 2020-10-09 2021-09-21 Stoßdämpfer Pending DE112021005363T5 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2020-171046 2020-10-09
JP2020171046 2020-10-09
PCT/JP2021/034555 WO2022075055A1 (ja) 2020-10-09 2021-09-21 緩衝器

Publications (1)

Publication Number Publication Date
DE112021005363T5 true DE112021005363T5 (de) 2023-08-17

Family

ID=81126838

Family Applications (1)

Application Number Title Priority Date Filing Date
DE112021005363.9T Pending DE112021005363T5 (de) 2020-10-09 2021-09-21 Stoßdämpfer

Country Status (6)

Country Link
US (1) US12553491B2 (https=)
JP (1) JP7412587B2 (https=)
KR (1) KR102772076B1 (https=)
CN (1) CN116419858A (https=)
DE (1) DE112021005363T5 (https=)
WO (1) WO2022075055A1 (https=)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7412587B2 (ja) * 2020-10-09 2024-01-12 日立Astemo株式会社 緩衝器
US20240369123A1 (en) * 2021-12-07 2024-11-07 Hitachi Astemo, Ltd. Shock absorber
JP2024165136A (ja) * 2023-05-16 2024-11-28 カヤバ株式会社 緩衝器
JPWO2025033100A1 (https=) * 2023-08-08 2025-02-13

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017047661A1 (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
JP2020171046A (ja) 2020-07-01 2020-10-15 パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカＰａｎａｓｏｎｉｃ Ｉｎｔｅｌｌｅｃｔｕａｌ Ｐｒｏｐｅｒｔｙ Ｃｏｒｐｏｒａｔｉｏｎ ｏｆ Ａｍｅｒｉｃａ 基地局、通信方法、集積回路、および端末

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5865340A (ja) * 1981-10-15 1983-04-19 Kayaba Ind Co Ltd 油圧緩衝器
JPS61109933A (ja) 1984-10-31 1986-05-28 Kayaba Ind Co Ltd 油圧緩衝器
JP4902470B2 (ja) 2007-09-14 2012-03-21 株式会社ショーワ 油圧緩衝器の減衰力調整構造
JP2009085245A (ja) * 2007-09-27 2009-04-23 Showa Corp 油圧緩衝器の減衰力調整構造
US9500256B2 (en) * 2012-09-20 2016-11-22 Hitachi Automotive Systems, Ltd. Suspension device
US9638280B2 (en) * 2013-08-26 2017-05-02 Tenneco Automotive Operating Company Inc. Shock absorber with frequency dependent passive valve
KR101760908B1 (ko) * 2013-12-09 2017-07-24 주식회사 만도 쇽업소버
KR101615256B1 (ko) * 2014-07-16 2016-04-25 주식회사 만도 쇽업소버의 바디 밸브 어셈블리
JP6623626B2 (ja) 2015-09-04 2019-12-25 オムロン株式会社 転写方法
JP6701242B2 (ja) 2018-02-21 2020-05-27 Ｋｙｂ株式会社 バルブおよび緩衝器
KR102714849B1 (ko) * 2019-05-22 2024-10-08 에이치엘만도 주식회사 주파수 감응형 쇽업소버
KR102873147B1 (ko) * 2019-06-12 2025-10-22 에이치엘만도 주식회사 주파수 감응형 쇽 업소버
JP7456176B2 (ja) 2020-02-06 2024-03-27 富士フイルムビジネスイノベーション株式会社 ファイル管理装置およびファイル管理プログラム
JP7412587B2 (ja) * 2020-10-09 2024-01-12 日立Astemo株式会社 緩衝器

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017047661A1 (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
JP2020171046A (ja) 2020-07-01 2020-10-15 パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカＰａｎａｓｏｎｉｃ Ｉｎｔｅｌｌｅｃｔｕａｌ Ｐｒｏｐｅｒｔｙ Ｃｏｒｐｏｒａｔｉｏｎ ｏｆ Ａｍｅｒｉｃａ 基地局、通信方法、集積回路、および端末

Also Published As

Publication number Publication date
US12553491B2 (en) 2026-02-17
JPWO2022075055A1 (https=) 2022-04-14
WO2022075055A1 (ja) 2022-04-14
CN116419858A (zh) 2023-07-11
US20230349440A1 (en) 2023-11-02
KR20230038567A (ko) 2023-03-20
JP7412587B2 (ja) 2024-01-12
KR102772076B1 (ko) 2025-02-21

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