DE112022004304T5 - Stossdämpfer - Google Patents

Stossdämpfer Download PDF

Info

Publication number
DE112022004304T5
DE112022004304T5 DE112022004304.0T DE112022004304T DE112022004304T5 DE 112022004304 T5 DE112022004304 T5 DE 112022004304T5 DE 112022004304 T DE112022004304 T DE 112022004304T DE 112022004304 T5 DE112022004304 T5 DE 112022004304T5
Authority
DE
Germany
Prior art keywords
chamber
valve
passage
piston
back pressure
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
DE112022004304.0T
Other languages
German (de)
English (en)
Inventor
Mikio Yamashita
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 DE112022004304T5 publication Critical patent/DE112022004304T5/de
Pending legal-status Critical Current

Links

Images

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)
DE112022004304.0T 2021-09-08 2022-06-29 Stossdämpfer Pending DE112022004304T5 (de)

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
DE112022004304T5 true DE112022004304T5 (de) 2024-07-18

Family

ID=85506468

Family Applications (1)

Application Number Title Priority Date Filing Date
DE112022004304.0T Pending DE112022004304T5 (de) 2021-09-08 2022-06-29 Stossdämpfer

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
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
JP2021146223A (ja) 2020-03-16 2021-09-27 大陽日酸株式会社 トリメチルアルミニウムの処理方法

Family Cites Families (4)

* 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

Patent Citations (2)

* 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
JP2021146223A (ja) 2020-03-16 2021-09-27 大陽日酸株式会社 トリメチルアルミニウムの処理方法

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
CN117916490A (zh) 2024-04-19

Similar Documents

Publication Publication Date Title
DE112017004850B4 (de) Stoßdämpfer
DE112016004157B4 (de) Stoßdämpfer
EP1788276B1 (de) Schwingungsdämpfer mit amplitudenselektiver Dämpfungseinrichtung
DE112009001615B4 (de) Fluidgefüllter Schwingungsdämpfer
DE102011004962B4 (de) Stoßdämpfer
DE112014007303B4 (de) Stoßdämpfer
DE69006230T2 (de) Oberes Lager für Stossdämpfer in Aufhängungssystemen.
DE19861063C2 (de) Hydraulisch dämpfendes Lager
DE112016004164B4 (de) Stoßdämpfer
DE112019001510B4 (de) Dämpfer mit schwimmendem Kolbenentlüftungskanal
DE102013013611A1 (de) Kolbenventil eines Schwingungsdämpfers
DE102006028745A1 (de) Vierteiliger Kolben
DE112018001280T5 (de) Stoßdämpfer
DE112022005660T5 (de) Stossdämpfer
DE69010732T2 (de) Oberes Lager für einen Stossdämpfer in einem Aufhängungssystem.
DE112019001498T5 (de) Dämpfer mit ventilvorspannungsbegrenzer
DE102020206417A1 (de) Frequenzempfindlicher stossdämpfer
EP1431608B1 (de) Schwingungsdämpfer mit amplitudenabhängiger Dämpfkraft
DE112004001829B4 (de) Extratragbereich für Ventilteller
DE112018003791T5 (de) Stoßdämpfer und Verfahren zur Herstellung desselben
DE112021004084T5 (de) Stossdämpfer
DE112022004304T5 (de) Stossdämpfer
DE60103671T2 (de) Flüssigkeitsgefülltes, elastisches, zylindrisches Lager mit Zwischenhülse zur Erhöhung der Verfomungsbeständigkeit, sowie Herstellverfahren hierzu
DE102008054643B3 (de) Schwingungsdämpfer
DE19944056B4 (de) Frequenzabhängiger Schwingungsdämpfer