KR102926674B1 - 완충기 - Google Patents

완충기

Info

Publication number
KR102926674B1
KR102926674B1 KR1020247009035A KR20247009035A KR102926674B1 KR 102926674 B1 KR102926674 B1 KR 102926674B1 KR 1020247009035 A KR1020247009035 A KR 1020247009035A KR 20247009035 A KR20247009035 A KR 20247009035A KR 102926674 B1 KR102926674 B1 KR 102926674B1
Authority
KR
South Korea
Prior art keywords
valve
bending
passage
axial direction
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
KR1020247009035A
Other languages
English (en)
Korean (ko)
Other versions
KR20240042672A (ko
Inventor
다카마사 고타니
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 KR20240042672A publication Critical patent/KR20240042672A/ko
Application granted granted Critical
Publication of KR102926674B1 publication Critical patent/KR102926674B1/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
    • F16F9/34—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)
KR1020247009035A 2021-11-26 2022-07-20 완충기 Active KR102926674B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JPJP-P-2021-192030 2021-11-26
JP2021192030 2021-11-26
PCT/JP2022/028156 WO2023095382A1 (ja) 2021-11-26 2022-07-20 緩衝器

Publications (2)

Publication Number Publication Date
KR20240042672A KR20240042672A (ko) 2024-04-02
KR102926674B1 true KR102926674B1 (ko) 2026-02-11

Family

ID=86539028

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020247009035A Active KR102926674B1 (ko) 2021-11-26 2022-07-20 완충기

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 (3)

* 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
US20190271373A1 (en) 2016-10-28 2019-09-05 Mf Ip Holding, Llc Digressive valve for a damper

Family Cites Families (16)

* 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
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
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
DE112017008114T5 (de) 2017-10-04 2020-07-16 Showa Corporation Hydraulischer stossdämpfer und dämpfungskraft-erzeugungsmechanismus
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 (3)

* 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
US20190271373A1 (en) 2016-10-28 2019-09-05 Mf Ip Holding, Llc Digressive valve for a damper

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
JP7607796B2 (ja) 2024-12-27

Similar Documents

Publication Publication Date Title
KR102926674B1 (ko) 완충기
CN108027005B (zh) 缓冲器
KR102159890B1 (ko) 완충기
CN110214239B (zh) 缓冲器
CN112955675B (zh) 缓冲器
CN116917641A (zh) 阀门及缓冲器
CN116134239A (zh) 缓冲器
KR102587415B1 (ko) 완충기
US12571451B2 (en) Shock absorber
JP7693073B2 (ja) 緩衝器
KR102926675B1 (ko) 완충기
KR102855081B1 (ko) 완충기
JP7653894B2 (ja) 緩衝器
CN118922650A (zh) 缓冲器
US20240151290A1 (en) Shock absorber and frequency sensitive mechanism
KR102712280B1 (ko) 완충기
US12241488B1 (en) Cylinder device
CN113454360A (zh) 缓冲器
KR102862168B1 (ko) 감쇠력 발생 기구
US20250383004A1 (en) Damping force generation mechanism
JP2023144516A (ja) 緩衝器
JP2023106804A (ja) 緩衝器
CN121511365A (zh) 缓冲器

Legal Events

Date Code Title Description
P11-X000 Amendment of application requested

St.27 status event code: A-2-2-P10-P11-nap-X000

P13-X000 Application amended

St.27 status event code: A-2-2-P10-P13-nap-X000

PA0105 International application

St.27 status event code: A-0-1-A10-A15-nap-PA0105

PA0201 Request for examination

St.27 status event code: A-1-2-D10-D11-exm-PA0201

PG1501 Laying open of application

St.27 status event code: A-1-1-Q10-Q12-nap-PG1501

R18-X000 Changes to party contact information recorded

St.27 status event code: A-3-3-R10-R18-oth-X000

E902 Notification of reason for refusal
PE0902 Notice of grounds for rejection

St.27 status event code: A-1-2-D10-D21-exm-PE0902

E13 Pre-grant limitation requested

Free format text: ST27 STATUS EVENT CODE: A-2-3-E10-E13-LIM-X000 (AS PROVIDED BY THE NATIONAL OFFICE)

E13-X000 Pre-grant limitation requested

St.27 status event code: A-2-3-E10-E13-lim-X000

P11 Amendment of application requested

Free format text: ST27 STATUS EVENT CODE: A-2-2-P10-P11-NAP-X000 (AS PROVIDED BY THE NATIONAL OFFICE)

P11-X000 Amendment of application requested

St.27 status event code: A-2-2-P10-P11-nap-X000

D22 Grant of ip right intended

Free format text: ST27 STATUS EVENT CODE: A-1-2-D10-D22-EXM-PE0701 (AS PROVIDED BY THE NATIONAL OFFICE)

PE0701 Decision of registration

St.27 status event code: A-1-2-D10-D22-exm-PE0701

F11 Ip right granted following substantive examination

Free format text: ST27 STATUS EVENT CODE: A-2-4-F10-F11-EXM-PR0701 (AS PROVIDED BY THE NATIONAL OFFICE)

PR0701 Registration of establishment

St.27 status event code: A-2-4-F10-F11-exm-PR0701

PR1002 Payment of registration fee

St.27 status event code: A-2-2-U10-U12-oth-PR1002

Fee payment year number: 1

U12 Designation fee paid

Free format text: ST27 STATUS EVENT CODE: A-2-2-U10-U12-OTH-PR1002 (AS PROVIDED BY THE NATIONAL OFFICE)

Year of fee payment: 1

PG1601 Publication of registration

St.27 status event code: A-4-4-Q10-Q13-nap-PG1601

Q13 Ip right document published

Free format text: ST27 STATUS EVENT CODE: A-4-4-Q10-Q13-NAP-PG1601 (AS PROVIDED BY THE NATIONAL OFFICE)