JP7527505B2 - 減衰力発生装置 - Google Patents

減衰力発生装置 Download PDF

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Publication number
JP7527505B2
JP7527505B2 JP2023569489A JP2023569489A JP7527505B2 JP 7527505 B2 JP7527505 B2 JP 7527505B2 JP 2023569489 A JP2023569489 A JP 2023569489A JP 2023569489 A JP2023569489 A JP 2023569489A JP 7527505 B2 JP7527505 B2 JP 7527505B2
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JP
Japan
Prior art keywords
chamber
passage
damping force
valve seat
force generating
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
JP2023569489A
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English (en)
Japanese (ja)
Other versions
JPWO2023120576A1 (https=
JPWO2023120576A5 (https=
Inventor
武 横田
剛太 中野
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 JPWO2023120576A1 publication Critical patent/JPWO2023120576A1/ja
Publication of JPWO2023120576A5 publication Critical patent/JPWO2023120576A5/ja
Application granted granted Critical
Publication of JP7527505B2 publication Critical patent/JP7527505B2/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
    • 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
    • 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
    • F16F9/36—Special sealings, including sealings or guides for piston-rods
    • F16F9/369—Sealings for elements other than pistons or piston rods, e.g. valves
    • 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
    • F16F2222/00—Special physical effects, e.g. nature of damping effects
    • F16F2222/12—Fluid damping
    • 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
    • F16F2228/00—Functional characteristics, e.g. variability, frequency-dependence
    • F16F2228/06—Stiffness
    • F16F2228/066—Variable stiffness
    • 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
    • F16F2230/00—Purpose; Design features
    • F16F2230/30—Sealing arrangements
    • 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
    • F16F9/06—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using both gas and liquid
    • F16F9/064—Units characterised by the location or shape of the expansion chamber
    • F16F9/065—Expansion chamber provided on the upper or lower end of a damper, separately there from or laterally on the damper

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Fluid-Damping Devices (AREA)
JP2023569489A 2021-12-24 2022-12-21 減衰力発生装置 Active JP7527505B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2021210462 2021-12-24
JP2021210462 2021-12-24
PCT/JP2022/047112 WO2023120576A1 (ja) 2021-12-24 2022-12-21 減衰力発生装置

Publications (3)

Publication Number Publication Date
JPWO2023120576A1 JPWO2023120576A1 (https=) 2023-06-29
JPWO2023120576A5 JPWO2023120576A5 (https=) 2024-05-07
JP7527505B2 true JP7527505B2 (ja) 2024-08-02

Family

ID=86902679

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2023569489A Active JP7527505B2 (ja) 2021-12-24 2022-12-21 減衰力発生装置

Country Status (6)

Country Link
US (1) US20240410441A1 (https=)
JP (1) JP7527505B2 (https=)
KR (1) KR102862171B1 (https=)
CN (1) CN117999425A (https=)
DE (1) DE112022006158T5 (https=)
WO (1) WO2023120576A1 (https=)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20260048320A (ko) * 2023-09-27 2026-04-09 아스테모 가부시키가이샤 완충기
WO2025177648A1 (ja) * 2024-02-22 2025-08-28 Ａｓｔｅｍｏ株式会社 焼結体および焼結体の製造方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6561326B2 (en) 2000-05-04 2003-05-13 Krupp Bilstein Gmbh Amplitude-attenuating dashpot
JP2013007425A (ja) 2011-06-24 2013-01-10 Kyb Co Ltd 緩衝装置
JP2015232403A (ja) 2010-03-02 2015-12-24 日立オートモティブシステムズ株式会社 緩衝器
JP2017187109A (ja) 2016-04-06 2017-10-12 Ｋｙｂ株式会社 緩衝器
WO2020261683A1 (ja) 2019-06-26 2020-12-30 日立オートモティブシステムズ株式会社 緩衝器

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58116211A (ja) 1981-12-28 1983-07-11 Kayaba Ind Co Ltd 積載量感応式シヨツクアブソ−バ
JPH0241666A (ja) 1988-07-29 1990-02-09 Matsushita Refrig Co Ltd トランジスタインバータ装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6561326B2 (en) 2000-05-04 2003-05-13 Krupp Bilstein Gmbh Amplitude-attenuating dashpot
JP2015232403A (ja) 2010-03-02 2015-12-24 日立オートモティブシステムズ株式会社 緩衝器
JP2013007425A (ja) 2011-06-24 2013-01-10 Kyb Co Ltd 緩衝装置
JP2017187109A (ja) 2016-04-06 2017-10-12 Ｋｙｂ株式会社 緩衝器
WO2020261683A1 (ja) 2019-06-26 2020-12-30 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
JPWO2023120576A1 (https=) 2023-06-29
WO2023120576A1 (ja) 2023-06-29
US20240410441A1 (en) 2024-12-12
KR102862171B1 (ko) 2025-09-18
DE112022006158T5 (de) 2024-11-21
CN117999425A (zh) 2024-05-07
KR20240042535A (ko) 2024-04-02

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