JP7679554B2 - 緩衝器 - Google Patents

緩衝器 Download PDF

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Publication number
JP7679554B2
JP7679554B2 JP2024524185A JP2024524185A JP7679554B2 JP 7679554 B2 JP7679554 B2 JP 7679554B2 JP 2024524185 A JP2024524185 A JP 2024524185A JP 2024524185 A JP2024524185 A JP 2024524185A JP 7679554 B2 JP7679554 B2 JP 7679554B2
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JP
Japan
Prior art keywords
valve
passage
partition member
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.)
Active
Application number
JP2024524185A
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English (en)
Japanese (ja)
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JPWO2023233763A5 (https=
JPWO2023233763A1 (https=
Inventor
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
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 Astemo Ltd filed Critical Astemo Ltd
Publication of JPWO2023233763A1 publication Critical patent/JPWO2023233763A1/ja
Publication of JPWO2023233763A5 publication Critical patent/JPWO2023233763A5/ja
Application granted granted Critical
Publication of JP7679554B2 publication Critical patent/JP7679554B2/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
    • F16F9/3207—Constructional features
    • F16F9/3214—Constructional features of pistons
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Fluid-Damping Devices (AREA)
JP2024524185A 2022-05-30 2023-03-17 緩衝器 Active JP7679554B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2022087331 2022-05-30
JP2022087331 2022-05-30
PCT/JP2023/010623 WO2023233763A1 (ja) 2022-05-30 2023-03-17 緩衝器

Publications (3)

Publication Number Publication Date
JPWO2023233763A1 JPWO2023233763A1 (https=) 2023-12-07
JPWO2023233763A5 JPWO2023233763A5 (https=) 2024-09-13
JP7679554B2 true JP7679554B2 (ja) 2025-05-19

Family

ID=89026045

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2024524185A Active JP7679554B2 (ja) 2022-05-30 2023-03-17 緩衝器

Country Status (6)

Country Link
US (1) US20250189009A1 (https=)
JP (1) JP7679554B2 (https=)
KR (1) KR20240109614A (https=)
CN (1) CN118900959A (https=)
DE (1) DE112023002446T5 (https=)
WO (1) WO2023233763A1 (https=)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7350182B2 (ja) * 2020-07-29 2023-09-25 日立Astemo株式会社 緩衝器
KR102926674B1 (ko) * 2021-11-26 2026-02-11 아스테모 가부시키가이샤 완충기

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012031900A (ja) 2010-07-29 2012-02-16 Hitachi Automotive Systems Ltd 緩衝器
WO2014115698A1 (ja) 2013-01-25 2014-07-31 カヤバ工業株式会社 緩衝装置
JP2018105378A (ja) 2016-12-26 2018-07-05 日立オートモティブシステムズ株式会社 緩衝器
JP6722683B2 (ja) 2015-09-14 2020-07-15 日立オートモティブシステムズ株式会社 緩衝器

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7231232B2 (ja) 2020-03-31 2023-03-01 株式会社東洋新薬 経口組成物

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012031900A (ja) 2010-07-29 2012-02-16 Hitachi Automotive Systems Ltd 緩衝器
WO2014115698A1 (ja) 2013-01-25 2014-07-31 カヤバ工業株式会社 緩衝装置
JP6722683B2 (ja) 2015-09-14 2020-07-15 日立オートモティブシステムズ株式会社 緩衝器
JP2018105378A (ja) 2016-12-26 2018-07-05 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
DE112023002446T5 (de) 2025-03-13
US20250189009A1 (en) 2025-06-12
WO2023233763A1 (ja) 2023-12-07
KR20240109614A (ko) 2024-07-11
CN118900959A (zh) 2024-11-05
JPWO2023233763A1 (https=) 2023-12-07

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