JP7607796B2 - 緩衝器 - Google Patents

緩衝器 Download PDF

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Publication number
JP7607796B2
JP7607796B2 JP2023563510A JP2023563510A JP7607796B2 JP 7607796 B2 JP7607796 B2 JP 7607796B2 JP 2023563510 A JP2023563510 A JP 2023563510A JP 2023563510 A JP2023563510 A JP 2023563510A JP 7607796 B2 JP7607796 B2 JP 7607796B2
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JP
Japan
Prior art keywords
valve
axial direction
flexible
passage
stopper
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
JP2023563510A
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English (en)
Japanese (ja)
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JPWO2023095382A1 (https=
JPWO2023095382A5 (https=
Inventor
崇将 小谷
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 JPWO2023095382A1 publication Critical patent/JPWO2023095382A1/ja
Publication of JPWO2023095382A5 publication Critical patent/JPWO2023095382A5/ja
Application granted granted Critical
Publication of JP7607796B2 publication Critical patent/JP7607796B2/ja
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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
    • F16F9/34—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
    • F16F9/34—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
    • F16F9/3484—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 characterised by features of the annular discs per se, singularly or in combination
    • 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
    • F16F9/10—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using liquid only; using a fluid of which the nature is immaterial
    • F16F9/14—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect
    • F16F9/16—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect involving only straight-line movement of the effective parts
    • F16F9/18—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect involving only straight-line movement of the effective parts with a closed cylinder and a piston separating two or more working spaces therein
    • F16F9/19—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect involving only straight-line movement of the effective parts with a closed cylinder and a piston separating two or more working spaces therein with a single cylinder and of single-tube type
    • 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
    • F16F9/3485—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 characterised by features of supporting elements intended to guide or limit the movement of the annular discs
    • 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
    • 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
    • F16F9/062—Bi-tubular units
    • 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
    • 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
    • F16F9/504—Inertia, i.e. acceleration,-sensitive means

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Fluid-Damping Devices (AREA)
JP2023563510A 2021-11-26 2022-07-20 緩衝器 Active JP7607796B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2021192030 2021-11-26
JP2021192030 2021-11-26
PCT/JP2022/028156 WO2023095382A1 (ja) 2021-11-26 2022-07-20 緩衝器

Publications (3)

Publication Number Publication Date
JPWO2023095382A1 JPWO2023095382A1 (https=) 2023-06-01
JPWO2023095382A5 JPWO2023095382A5 (https=) 2024-05-14
JP7607796B2 true JP7607796B2 (ja) 2024-12-27

Family

ID=86539028

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2023563510A Active JP7607796B2 (ja) 2021-11-26 2022-07-20 緩衝器

Country Status (6)

Country Link
US (1) US20240376954A1 (https=)
JP (1) JP7607796B2 (https=)
KR (1) KR102926674B1 (https=)
CN (1) CN117999424A (https=)
DE (1) DE112022005660T5 (https=)
WO (1) WO2023095382A1 (https=)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7330384B2 (ja) * 2020-07-29 2023-08-21 日立Astemo株式会社 緩衝器
JP7350182B2 (ja) 2020-07-29 2023-09-25 日立Astemo株式会社 緩衝器
KR102781229B1 (ko) * 2020-07-29 2025-03-12 히다치 아스테모 가부시키가이샤 완충기
DE112021005349T5 (de) * 2020-10-09 2023-08-03 Hitachi Astemo, Ltd. Stossdämpfer

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000000009U (ja) 1991-03-14 2000-01-28 テネコ・オートモーティブ・インコーポレーテッド ショックアブソ―バ
JP2011179550A (ja) 2010-02-26 2011-09-15 Hitachi Automotive Systems Ltd 緩衝器
JP2014070658A (ja) 2012-09-28 2014-04-21 Hitachi Automotive Systems Ltd 緩衝器
WO2019069413A1 (ja) 2017-10-04 2019-04-11 株式会社ショーワ 圧力緩衝装置および減衰力発生機構
US20190271373A1 (en) 2016-10-28 2019-09-05 Mf Ip Holding, Llc Digressive valve for a damper

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE631369A (https=) * 1962-04-26 1900-01-01
FR1542408A (fr) * 1964-01-09 1968-10-18 Piston d'amortisseur à clapet flottant
GB1365306A (en) * 1970-09-08 1974-08-29 Girling Ltd Fluid flow control valves
US3845782A (en) * 1970-12-14 1974-11-05 Girling Ltd Flow control valve for hydraulic damper and the like
JPS5818543B2 (ja) * 1975-05-23 1983-04-13 トキコ株式会社 カンシヨウキニオケル ゲンスイリヨクハツセイソウチ
JPH0547309Y2 (https=) * 1988-09-29 1993-12-13
DE3914297A1 (de) * 1989-04-29 1990-10-31 Boge Ag Regelbarer schwingungsdaempfer fuer kraftfahrzeuge
US4972929A (en) * 1989-06-07 1990-11-27 Lord Corporation Bidirectional dual disc valve assembly
JP5418778B2 (ja) * 2010-02-26 2014-02-19 日立オートモティブシステムズ株式会社 緩衝器
JP5949789B2 (ja) * 2014-01-10 2016-07-13 トヨタ自動車株式会社 ショックアブソーバ
KR102588959B1 (ko) 2015-09-14 2023-10-12 히다치 아스테모 가부시키가이샤 완충기
WO2020195011A1 (ja) * 2019-03-26 2020-10-01 日立オートモティブシステムズ株式会社 緩衝器
KR102780393B1 (ko) * 2020-01-08 2025-03-12 에이치엘만도 주식회사 쇽업소버
US20250189009A1 (en) * 2022-05-30 2025-06-12 Hitachi Astemo, Ltd. Shock absorber

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000000009U (ja) 1991-03-14 2000-01-28 テネコ・オートモーティブ・インコーポレーテッド ショックアブソ―バ
JP2011179550A (ja) 2010-02-26 2011-09-15 Hitachi Automotive Systems Ltd 緩衝器
JP2014070658A (ja) 2012-09-28 2014-04-21 Hitachi Automotive Systems Ltd 緩衝器
US20190271373A1 (en) 2016-10-28 2019-09-05 Mf Ip Holding, Llc Digressive valve for a damper
WO2019069413A1 (ja) 2017-10-04 2019-04-11 株式会社ショーワ 圧力緩衝装置および減衰力発生機構

Also Published As

Publication number Publication date
JPWO2023095382A1 (https=) 2023-06-01
CN117999424A (zh) 2024-05-07
DE112022005660T5 (de) 2024-09-12
WO2023095382A1 (ja) 2023-06-01
KR20240042672A (ko) 2024-04-02
US20240376954A1 (en) 2024-11-14
KR102926674B1 (ko) 2026-02-11

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