CN117916490A - 缓冲器 - Google Patents

缓冲器 Download PDF

Info

Publication number
CN117916490A
CN117916490A CN202280060264.9A CN202280060264A CN117916490A CN 117916490 A CN117916490 A CN 117916490A CN 202280060264 A CN202280060264 A CN 202280060264A CN 117916490 A CN117916490 A CN 117916490A
Authority
CN
China
Prior art keywords
passage
valve
chamber
piston
damping
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
CN202280060264.9A
Other languages
English (en)
Chinese (zh)
Inventor
山下干郎
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 CN117916490A publication Critical patent/CN117916490A/zh
Pending legal-status Critical Current

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)
CN202280060264.9A 2021-09-08 2022-06-29 缓冲器 Pending CN117916490A (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2021-146223 2021-09-08
JP2021146223 2021-09-08
PCT/JP2022/025986 WO2023037722A1 (ja) 2021-09-08 2022-06-29 緩衝器

Publications (1)

Publication Number Publication Date
CN117916490A true CN117916490A (zh) 2024-04-19

Family

ID=85506468

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202280060264.9A Pending CN117916490A (zh) 2021-09-08 2022-06-29 缓冲器

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=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN118912134A (zh) * 2024-07-26 2024-11-08 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

Family Cites Families (6)

* 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
KR102588959B1 (ko) * 2015-09-14 2023-10-12 히다치 아스테모 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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN118912134A (zh) * 2024-07-26 2024-11-08 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
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

Also Published As

Publication number Publication date
JP7523695B2 (ja) 2024-07-26
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
DE112022004304T5 (de) 2024-07-18

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