DE112020003042T5 - Stossdämpfer - Google Patents

Stossdämpfer Download PDF

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Publication number
DE112020003042T5
DE112020003042T5 DE112020003042.3T DE112020003042T DE112020003042T5 DE 112020003042 T5 DE112020003042 T5 DE 112020003042T5 DE 112020003042 T DE112020003042 T DE 112020003042T DE 112020003042 T5 DE112020003042 T5 DE 112020003042T5
Authority
DE
Germany
Prior art keywords
passage
valve
damping force
chamber
piston
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
DE112020003042.3T
Other languages
German (de)
English (en)
Inventor
Mikio Yamashita
Takamasa Kotani
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 DE112020003042T5 publication Critical patent/DE112020003042T5/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
    • F16F9/3482—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
    • F16F9/50—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
    • F16F9/10—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
    • 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
    • F16F9/50—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
    • 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
    • F16F13/00—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs
    • F16F13/005—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a wound spring and a damper, e.g. a friction damper
    • F16F13/007—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a wound spring and a damper, e.g. a friction damper the damper being a fluid damper
    • 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
    • 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
    • F16F9/06—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using both gas and liquid
    • F16F9/064—Units characterised by the location or shape of the expansion chamber
    • F16F9/065—Expansion chamber provided on the upper or lower end of a damper, separately there from or laterally on the damper
    • 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
    • F16F9/3485—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 supporting elements intended to guide or limit the movement of the annular discs
    • F16F9/3487—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 supporting elements intended to guide or limit the movement of the annular discs with spacers or spacing rings

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Fluid-Damping Devices (AREA)
DE112020003042.3T 2019-06-26 2020-03-25 Stossdämpfer Pending DE112020003042T5 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2019-118696 2019-06-26
JP2019118696 2019-06-26
PCT/JP2020/013424 WO2020261683A1 (ja) 2019-06-26 2020-03-25 緩衝器

Publications (1)

Publication Number Publication Date
DE112020003042T5 true DE112020003042T5 (de) 2022-05-05

Family

ID=74060534

Family Applications (1)

Application Number Title Priority Date Filing Date
DE112020003042.3T Pending DE112020003042T5 (de) 2019-06-26 2020-03-25 Stossdämpfer

Country Status (6)

Country Link
US (1) US12031606B2 (https=)
JP (2) JP7168782B2 (https=)
KR (1) KR102560282B1 (https=)
CN (1) CN114072596A (https=)
DE (1) DE112020003042T5 (https=)
WO (1) WO2020261683A1 (https=)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102716570B1 (ko) 2020-07-29 2024-10-11 히다치 아스테모 가부시키가이샤 완충기
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
JP7804393B2 (ja) * 2020-12-17 2026-01-22 カヤバ株式会社 緩衝器
JP7482839B2 (ja) * 2021-06-28 2024-05-14 日立Astemo株式会社 緩衝器
JP7723564B2 (ja) * 2021-10-04 2025-08-14 カヤバ株式会社 ショックアブソーバ
DE112022006158T5 (de) * 2021-12-24 2024-11-21 Hitachi Astemo, Ltd. Vorrichtung zur erzeugung von dämpfungskräften
JP7728221B2 (ja) * 2022-03-28 2025-08-22 Ａｓｔｅｍｏ株式会社 緩衝器
JP2023148059A (ja) * 2022-03-30 2023-10-13 Ｋｙｂ株式会社 減衰バルブおよび緩衝器
JP2024155395A (ja) * 2023-04-21 2024-10-31 カヤバ株式会社 減衰バルブおよび緩衝器
KR20260048320A (ko) * 2023-09-27 2026-04-09 아스테모 가부시키가이샤 완충기
WO2025104967A1 (ja) * 2023-11-16 2025-05-22 Ａｓｔｅｍｏ株式会社 緩衝器

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
JP2013133896A (ja) 2011-12-27 2013-07-08 Hitachi Automotive Systems Ltd 減衰力調整式緩衝器
JP2015232403A (ja) 2010-03-02 2015-12-24 日立オートモティブシステムズ株式会社 緩衝器
JP2019118696A (ja) 2018-01-10 2019-07-22 株式会社サンセイアールアンドディ 遊技機

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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
US5129488A (en) * 1989-11-16 1992-07-14 Atsugi Unisia Corporation Vibration mode responsive variable damping force shock absorber with feature of automatic selection of damping mode depending upon vibration mode of vehicular body
JPH06147252A (ja) * 1992-09-18 1994-05-27 Tokico Ltd 油圧緩衝器
DE19518560C2 (de) * 1994-05-20 1997-07-10 Tokico Ltd Hydraulischer Dämpfer mit einstellbarer Dämpfungskraft
EP2511563A4 (en) * 2009-12-11 2017-12-13 KYB Corporation Shock-absorbing device
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KR101254287B1 (ko) * 2011-06-09 2013-04-12 주식회사 만도 가변유로를 갖는 쇽업소버의 밸브 구조
KR101288612B1 (ko) * 2011-07-21 2013-07-22 주식회사 만도 쇽업소버의 밸브 구조
JP5758235B2 (ja) * 2011-08-31 2015-08-05 日立オートモティブシステムズ株式会社 緩衝器
KR101375804B1 (ko) * 2011-09-02 2014-03-21 주식회사 만도 주파수 및 압력 감응형 쇽업소버
JP5681596B2 (ja) * 2011-09-05 2015-03-11 カヤバ工業株式会社 緩衝装置
KR101594211B1 (ko) 2012-08-14 2016-02-15 주식회사 만도 쇽 업소버의 밸브 조립체
KR101350078B1 (ko) * 2012-08-14 2014-01-15 주식회사 만도 쇽 업소버의 피스톤 밸브
US9879748B2 (en) * 2013-03-15 2018-01-30 Tenneco Automotive Operating Company Inc. Two position valve with face seal and pressure relief port
JP6108550B2 (ja) * 2013-09-19 2017-04-05 Ｋｙｂ株式会社 緩衝装置
JP5949789B2 (ja) * 2014-01-10 2016-07-13 トヨタ自動車株式会社 ショックアブソーバ
KR101671967B1 (ko) * 2014-03-28 2016-11-03 주식회사 만도 쇽업소버의 피스톤 어셈블리
CN107923470B (zh) * 2015-08-31 2019-12-13 日立汽车系统株式会社 缓冲器
KR102588959B1 (ko) * 2015-09-14 2023-10-12 히다치 아스테모 가부시키가이샤 완충기
JP6838768B2 (ja) 2016-12-26 2021-03-03 日立Astemo株式会社 緩衝器
IT201800007584A1 (it) * 2018-07-27 2020-01-27 Sistemi Sospensioni Spa Ammortizzatore idraulico a smorzamento variabile, particolarmente per sospensione di veicolo.

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
JP2015232403A (ja) 2010-03-02 2015-12-24 日立オートモティブシステムズ株式会社 緩衝器
JP2013133896A (ja) 2011-12-27 2013-07-08 Hitachi Automotive Systems Ltd 減衰力調整式緩衝器
JP2019118696A (ja) 2018-01-10 2019-07-22 株式会社サンセイアールアンドディ 遊技機

Also Published As

Publication number Publication date
WO2020261683A1 (ja) 2020-12-30
JP2022186977A (ja) 2022-12-15
KR20220003072A (ko) 2022-01-07
CN114072596A (zh) 2022-02-18
JP7168782B2 (ja) 2022-11-09
US12031606B2 (en) 2024-07-09
JP7504175B2 (ja) 2024-06-21
JPWO2020261683A1 (https=) 2020-12-30
US20220412428A1 (en) 2022-12-29
KR102560282B1 (ko) 2023-07-26

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