DE112022000968T5 - Stossdämpfer - Google Patents

Stossdämpfer Download PDF

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Publication number
DE112022000968T5
DE112022000968T5 DE112022000968.3T DE112022000968T DE112022000968T5 DE 112022000968 T5 DE112022000968 T5 DE 112022000968T5 DE 112022000968 T DE112022000968 T DE 112022000968T DE 112022000968 T5 DE112022000968 T5 DE 112022000968T5
Authority
DE
Germany
Prior art keywords
passage
valve
rigidity
disk
low
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
DE112022000968.3T
Other languages
German (de)
English (en)
Inventor
Takahiro Mori
Osamu YUNO
Takao Nakadate
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 DE112022000968T5 publication Critical patent/DE112022000968T5/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
    • F16F9/44—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
    • F16F9/465—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 using servo control, the servo pressure being created by the flow of damping fluid, e.g. controlling pressure in a chamber downstream of a pilot passage
    • 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
    • F16F9/34—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
    • F16F9/34—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
    • F16F9/3488—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 intended to affect valve bias or pre-stress
    • 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
    • F16F9/48—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
    • F16F9/516—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
    • F16F2230/00—Purpose; Design features
    • F16F2230/36—Holes, slots or the like

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Fluid-Damping Devices (AREA)
DE112022000968.3T 2021-02-04 2022-02-01 Stossdämpfer Pending DE112022000968T5 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2021016764 2021-02-04
JP2021-016764 2021-02-04
PCT/JP2022/003732 WO2022168817A1 (ja) 2021-02-04 2022-02-01 緩衝器

Publications (1)

Publication Number Publication Date
DE112022000968T5 true DE112022000968T5 (de) 2023-11-23

Family

ID=82741350

Family Applications (1)

Application Number Title Priority Date Filing Date
DE112022000968.3T Pending DE112022000968T5 (de) 2021-02-04 2022-02-01 Stossdämpfer

Country Status (6)

Country Link
US (1) US20240077126A1 (https=)
JP (1) JP7507262B2 (https=)
KR (1) KR102858543B1 (https=)
CN (1) CN116848336A (https=)
DE (1) DE112022000968T5 (https=)
WO (1) WO2022168817A1 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN118162897A (zh) * 2024-03-29 2024-06-11 蓝讯汽车空气悬架系统(滁州)有限公司 阻尼阀装置及其装配方法、减震器

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008089037A (ja) 2006-09-29 2008-04-17 Hitachi Ltd 減衰力調整式油圧緩衝器
JP2021016764A (ja) 2019-07-22 2021-02-15 東田商工株式会社 屋内空間部の吊り張り体、及び該屋内空間部の吊り張り体を用い間仕切り方法

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2547454Y2 (ja) * 1991-02-28 1997-09-10 カヤバ工業株式会社 減衰力調整装置
JP3321739B2 (ja) * 1994-06-15 2002-09-09 トキコ株式会社 減衰力調整式油圧緩衝器
JP5843842B2 (ja) * 2013-05-30 2016-01-13 日立オートモティブシステムズ株式会社 減衰力調整式緩衝器
KR102139846B1 (ko) * 2013-11-29 2020-07-30 히다치 오토모티브 시스템즈 가부시키가이샤 완충기
JP6188598B2 (ja) * 2014-01-31 2017-08-30 日立オートモティブシステムズ株式会社 シリンダ装置
JP6351443B2 (ja) * 2014-08-29 2018-07-04 日立オートモティブシステムズ株式会社 緩衝器
JP6384999B2 (ja) * 2014-10-31 2018-09-05 日立オートモティブシステムズ株式会社 流体圧緩衝器
CN107923470B (zh) * 2015-08-31 2019-12-13 日立汽车系统株式会社 缓冲器
WO2017145983A1 (ja) * 2016-02-24 2017-08-31 日立オートモティブシステムズ株式会社 減衰力調整式緩衝器
JP2019163768A (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
US11078982B2 (en) * 2017-03-10 2021-08-03 Hitachi Astemo, Ltd. Damper
WO2019049844A1 (ja) * 2017-09-05 2019-03-14 日立オートモティブシステムズ株式会社 緩衝器
JP7109293B2 (ja) 2018-07-25 2022-07-29 日立Astemo株式会社 緩衝器
CN113195934A (zh) * 2018-12-25 2021-07-30 日立安斯泰莫株式会社 缓冲器
JP7069353B2 (ja) * 2019-01-18 2022-05-17 日立Astemo株式会社 緩衝器
WO2022075011A1 (ja) * 2020-10-08 2022-04-14 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
JP2008089037A (ja) 2006-09-29 2008-04-17 Hitachi Ltd 減衰力調整式油圧緩衝器
JP2021016764A (ja) 2019-07-22 2021-02-15 東田商工株式会社 屋内空間部の吊り張り体、及び該屋内空間部の吊り張り体を用い間仕切り方法

Also Published As

Publication number Publication date
KR20230084572A (ko) 2023-06-13
JP7507262B2 (ja) 2024-06-27
WO2022168817A1 (ja) 2022-08-11
JPWO2022168817A1 (https=) 2022-08-11
CN116848336A (zh) 2023-10-03
KR102858543B1 (ko) 2025-09-10
US20240077126A1 (en) 2024-03-07

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