KR102855081B1 - 완충기 - Google Patents

완충기

Info

Publication number
KR102855081B1
KR102855081B1 KR1020247003726A KR20247003726A KR102855081B1 KR 102855081 B1 KR102855081 B1 KR 102855081B1 KR 1020247003726 A KR1020247003726 A KR 1020247003726A KR 20247003726 A KR20247003726 A KR 20247003726A KR 102855081 B1 KR102855081 B1 KR 102855081B1
Authority
KR
South Korea
Prior art keywords
valve
passage
chamber
piston
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.)
Active
Application number
KR1020247003726A
Other languages
English (en)
Korean (ko)
Other versions
KR20240027810A (ko
Inventor
미키오 야마시타
Original Assignee
아스테모 가부시키가이샤
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 아스테모 가부시키가이샤 filed Critical 아스테모 가부시키가이샤
Publication of KR20240027810A publication Critical patent/KR20240027810A/ko
Application granted granted Critical
Publication of KR102855081B1 publication Critical patent/KR102855081B1/ko
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Fluid-Damping Devices (AREA)
KR1020247003726A 2021-09-08 2022-06-29 완충기 Active KR102855081B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JPJP-P-2021-146223 2021-09-08
JP2021146223 2021-09-08
PCT/JP2022/025986 WO2023037722A1 (ja) 2021-09-08 2022-06-29 緩衝器

Publications (2)

Publication Number Publication Date
KR20240027810A KR20240027810A (ko) 2024-03-04
KR102855081B1 true KR102855081B1 (ko) 2025-09-05

Family

ID=85506468

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020247003726A Active KR102855081B1 (ko) 2021-09-08 2022-06-29 완충기

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 (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140090940A1 (en) 2012-09-28 2014-04-03 Hitachi Automotive Systems, Ltd. Shock absorber
US20180216690A1 (en) 2015-09-14 2018-08-02 Hitachi Automotive Systems, Ltd. Shock absorber

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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 (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140090940A1 (en) 2012-09-28 2014-04-03 Hitachi Automotive Systems, Ltd. Shock absorber
US20180216690A1 (en) 2015-09-14 2018-08-02 Hitachi Automotive Systems, Ltd. Shock absorber

Also Published As

Publication number Publication date
JP7523695B2 (ja) 2024-07-26
US20240344586A1 (en) 2024-10-17
JPWO2023037722A1 (https=) 2023-03-16
WO2023037722A1 (ja) 2023-03-16
KR20240027810A (ko) 2024-03-04
CN117916490A (zh) 2024-04-19
DE112022004304T5 (de) 2024-07-18

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