JP7507262B2 - 緩衝器 - Google Patents

緩衝器 Download PDF

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Publication number
JP7507262B2
JP7507262B2 JP2022579546A JP2022579546A JP7507262B2 JP 7507262 B2 JP7507262 B2 JP 7507262B2 JP 2022579546 A JP2022579546 A JP 2022579546A JP 2022579546 A JP2022579546 A JP 2022579546A JP 7507262 B2 JP7507262 B2 JP 7507262B2
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JP
Japan
Prior art keywords
passage
disk
rigidity
low
shock absorber
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
JP2022579546A
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English (en)
Japanese (ja)
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JPWO2022168817A5 (https=
JPWO2022168817A1 (https=
Inventor
崇裕 森
治 湯野
孝雄 中楯
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 JPWO2022168817A1 publication Critical patent/JPWO2022168817A1/ja
Publication of JPWO2022168817A5 publication Critical patent/JPWO2022168817A5/ja
Application granted granted Critical
Publication of JP7507262B2 publication Critical patent/JP7507262B2/ja
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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)
JP2022579546A 2021-02-04 2022-02-01 緩衝器 Active JP7507262B2 (ja)

Applications Claiming Priority (3)

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

Publications (3)

Publication Number Publication Date
JPWO2022168817A1 JPWO2022168817A1 (https=) 2022-08-11
JPWO2022168817A5 JPWO2022168817A5 (https=) 2023-06-30
JP7507262B2 true JP7507262B2 (ja) 2024-06-27

Family

ID=82741350

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2022579546A Active JP7507262B2 (ja) 2021-02-04 2022-02-01 緩衝器

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 (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016089898A (ja) 2014-10-31 2016-05-23 日立オートモティブシステムズ株式会社 流体圧緩衝器
WO2017038571A1 (ja) 2015-08-31 2017-03-09 日立オートモティブシステムズ株式会社 緩衝器
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
JP2020016288A (ja) 2018-07-25 2020-01-30 日立オートモティブシステムズ株式会社 緩衝器

Family Cites Families (13)

* 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
JP2008089037A (ja) 2006-09-29 2008-04-17 Hitachi Ltd 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
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
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
JP6806982B1 (ja) 2019-07-22 2021-01-06 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
WO2022075011A1 (ja) * 2020-10-08 2022-04-14 日立Astemo株式会社 緩衝器

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016089898A (ja) 2014-10-31 2016-05-23 日立オートモティブシステムズ株式会社 流体圧緩衝器
WO2017038571A1 (ja) 2015-08-31 2017-03-09 日立オートモティブシステムズ株式会社 緩衝器
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
JP2020016288A (ja) 2018-07-25 2020-01-30 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
KR20230084572A (ko) 2023-06-13
WO2022168817A1 (ja) 2022-08-11
DE112022000968T5 (de) 2023-11-23
JPWO2022168817A1 (https=) 2022-08-11
CN116848336A (zh) 2023-10-03
KR102858543B1 (ko) 2025-09-10
US20240077126A1 (en) 2024-03-07

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