JP7523695B2 - 緩衝器 - Google Patents

緩衝器 Download PDF

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Publication number
JP7523695B2
JP7523695B2 JP2023546789A JP2023546789A JP7523695B2 JP 7523695 B2 JP7523695 B2 JP 7523695B2 JP 2023546789 A JP2023546789 A JP 2023546789A JP 2023546789 A JP2023546789 A JP 2023546789A JP 7523695 B2 JP7523695 B2 JP 7523695B2
Authority
JP
Japan
Prior art keywords
passage
chamber
valve
piston
damping force
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
JP2023546789A
Other languages
English (en)
Japanese (ja)
Other versions
JPWO2023037722A1 (https=
JPWO2023037722A5 (https=
Inventor
幹郎 山下
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 JPWO2023037722A1 publication Critical patent/JPWO2023037722A1/ja
Publication of JPWO2023037722A5 publication Critical patent/JPWO2023037722A5/ja
Application granted granted Critical
Publication of JP7523695B2 publication Critical patent/JP7523695B2/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
    • F16F9/50—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
    • F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/32—Details
    • 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
    • F16F9/34—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
    • F16F9/512—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
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K15/00—Check valves
    • F16K15/02—Check valves with guided rigid valve members
    • F16K15/08—Check valves with guided rigid valve members shaped as 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)
JP2023546789A 2021-09-08 2022-06-29 緩衝器 Active JP7523695B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2021146223 2021-09-08
JP2021146223 2021-09-08
PCT/JP2022/025986 WO2023037722A1 (ja) 2021-09-08 2022-06-29 緩衝器

Publications (3)

Publication Number Publication Date
JPWO2023037722A1 JPWO2023037722A1 (https=) 2023-03-16
JPWO2023037722A5 JPWO2023037722A5 (https=) 2024-04-01
JP7523695B2 true JP7523695B2 (ja) 2024-07-26

Family

ID=85506468

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2023546789A Active JP7523695B2 (ja) 2021-09-08 2022-06-29 緩衝器

Country Status (6)

Country Link
US (1) US20240344586A1 (https=)
JP (1) JP7523695B2 (https=)
KR (1) KR102855081B1 (https=)
CN (1) CN117916490A (https=)
DE (1) DE112022004304T5 (https=)
WO (1) WO2023037722A1 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN118912134B (zh) * 2024-07-26 2025-12-02 中航飞机起落架有限责任公司 一种双气腔油气式缓冲器及飞机起落架

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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 (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6014444B2 (ja) * 2012-09-28 2016-10-25 日立オートモティブシステムズ株式会社 緩衝器
KR102139846B1 (ko) * 2013-11-29 2020-07-30 히다치 오토모티브 시스템즈 가부시키가이샤 완충기
JP7109293B2 (ja) * 2018-07-25 2022-07-29 日立Astemo株式会社 緩衝器
US11668365B2 (en) * 2019-09-23 2023-06-06 DRiV Automotive Inc. Valve body for a damper
JP7202327B2 (ja) 2020-03-16 2023-01-11 大陽日酸株式会社 トリメチルアルミニウムの処理方法

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Also Published As

Publication number Publication date
US20240344586A1 (en) 2024-10-17
JPWO2023037722A1 (https=) 2023-03-16
KR102855081B1 (ko) 2025-09-05
WO2023037722A1 (ja) 2023-03-16
KR20240027810A (ko) 2024-03-04
CN117916490A (zh) 2024-04-19
DE112022004304T5 (de) 2024-07-18

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