JP7814532B2 - ショックアブソーバおよびショックアブソーバの製造方法 - Google Patents

ショックアブソーバおよびショックアブソーバの製造方法

Info

Publication number
JP7814532B2
JP7814532B2 JP2024550061A JP2024550061A JP7814532B2 JP 7814532 B2 JP7814532 B2 JP 7814532B2 JP 2024550061 A JP2024550061 A JP 2024550061A JP 2024550061 A JP2024550061 A JP 2024550061A JP 7814532 B2 JP7814532 B2 JP 7814532B2
Authority
JP
Japan
Prior art keywords
passage
seat
piston
piston body
damping valve
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
JP2024550061A
Other languages
English (en)
Japanese (ja)
Other versions
JPWO2024070710A1 (https=
JPWO2024070710A5 (https=
Inventor
ジョエル ドナヒュー
ジョーダン トゥルーイット
武 横田
幸司 南野
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
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 Astemo Ltd filed Critical Astemo Ltd
Publication of JPWO2024070710A1 publication Critical patent/JPWO2024070710A1/ja
Publication of JPWO2024070710A5 publication Critical patent/JPWO2024070710A5/ja
Application granted granted Critical
Publication of JP7814532B2 publication Critical patent/JP7814532B2/ja
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
    • F16F9/3207—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
    • F16F9/3271—Assembly or repair
    • 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
    • F16F9/32—Details
    • F16F9/36—Special sealings, including sealings or guides for piston-rods
    • F16F9/368—Sealings in pistons
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G13/00—Resilient suspensions characterised by arrangement, location or type of vibration dampers
    • B60G13/02—Resilient suspensions characterised by arrangement, location or type of vibration dampers having dampers dissipating energy, e.g. frictionally
    • B60G13/06—Resilient suspensions characterised by arrangement, location or type of vibration dampers having dampers dissipating energy, e.g. frictionally of fluid type
    • B60G13/08—Resilient suspensions characterised by arrangement, location or type of vibration dampers having dampers dissipating energy, e.g. frictionally of fluid type hydraulic
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2202/00—Indexing codes relating to the type of spring, damper or actuator
    • B60G2202/20—Type of damper
    • B60G2202/24—Fluid damper
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2206/00—Indexing codes related to the manufacturing of suspensions: constructional features, the materials used, procedures or tools
    • B60G2206/01—Constructional features of suspension elements, e.g. arms, dampers, springs
    • B60G2206/40—Constructional features of dampers and/or springs
    • B60G2206/41—Dampers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2800/00—Indexing codes relating to the type of movement or to the condition of the vehicle and to the end result to be achieved by the control action
    • B60G2800/16—Running
    • B60G2800/162—Reducing road induced vibrations
    • 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
    • F16F2226/00—Manufacturing; Treatments
    • F16F2226/04—Assembly or fixing methods; methods to form or fashion parts
    • 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
    • F16F2232/00—Nature of movement
    • F16F2232/08—Linear
    • 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
    • F16F2234/00—Shape
    • F16F2234/02—Shape cylindrical
    • 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
    • F16F9/185—Bitubular units

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Fluid-Damping Devices (AREA)
JP2024550061A 2022-09-28 2023-09-13 ショックアブソーバおよびショックアブソーバの製造方法 Active JP7814532B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US17/954,390 US12416343B2 (en) 2022-09-28 2022-09-28 Shock absorber and manufacturing method of shock absorber
US17/954,390 2022-09-28
PCT/JP2023/033428 WO2024070710A1 (ja) 2022-09-28 2023-09-13 ショックアブソーバおよびショックアブソーバの製造方法

Publications (3)

Publication Number Publication Date
JPWO2024070710A1 JPWO2024070710A1 (https=) 2024-04-04
JPWO2024070710A5 JPWO2024070710A5 (https=) 2025-04-30
JP7814532B2 true JP7814532B2 (ja) 2026-02-16

Family

ID=90360139

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2024550061A Active JP7814532B2 (ja) 2022-09-28 2023-09-13 ショックアブソーバおよびショックアブソーバの製造方法

Country Status (6)

Country Link
US (1) US12416343B2 (https=)
EP (1) EP4596917A1 (https=)
JP (1) JP7814532B2 (https=)
KR (1) KR20250044921A (https=)
CN (1) CN119836532A (https=)
WO (1) WO2024070710A1 (https=)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009287731A (ja) 2008-05-30 2009-12-10 Hitachi Automotive Systems Ltd 緩衝器
JP2015086966A (ja) 2013-10-31 2015-05-07 日立オートモティブシステムズ株式会社 緩衝器
JP2019163768A (ja) 2016-07-26 2019-09-26 日立オートモティブシステムズ株式会社 緩衝器
JP2021181818A (ja) 2020-05-20 2021-11-25 日立Astemo株式会社 緩衝器

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01102536U (https=) * 1987-12-28 1989-07-11
US4964493A (en) 1988-04-06 1990-10-23 Atsugi Motor Parts Company, Limited Shock absorber with variable damping characteristics depending upon stroke speed
JPH0642113Y2 (ja) 1988-04-06 1994-11-02 株式会社ユニシアジェックス ショックアブソーバのバルブ構造
US5042624A (en) * 1988-09-29 1991-08-27 Atsugi Unisia Corporation Hydraulic shock absorber with pre-loaded valve for linear variation characteristics of damping force
JPH02113142A (ja) 1988-10-20 1990-04-25 Tokico Ltd 油圧緩衝器
JP3888817B2 (ja) 1999-11-26 2007-03-07 キユーピー株式会社 タルタルソース
JP2002113142A (ja) 2000-10-05 2002-04-16 Ya Man Ltd フィットネスゲーム機
JP5234273B2 (ja) 2008-10-31 2013-07-10 日立オートモティブシステムズ株式会社 緩衝器
JP5812650B2 (ja) * 2011-03-31 2015-11-17 日立オートモティブシステムズ株式会社 減衰力調整式緩衝器
KR101288613B1 (ko) 2011-08-11 2013-07-22 주식회사 만도 쇽업소버의 피스톤 어셈블리
KR101885106B1 (ko) 2011-10-06 2018-08-07 세메스 주식회사 기판 정렬 방법 및 이를 이용한 기판 정렬 모듈
WO2013159276A1 (en) * 2012-04-23 2013-10-31 Beijingwest Industries Co., Ltd. A hydraulic suspension damper with a floating disc valve
JP6071646B2 (ja) 2012-11-30 2017-02-01 日立オートモティブシステムズ株式会社 緩衝器
US12372133B2 (en) * 2022-09-28 2025-07-29 Hitachi Astemo, Ltd. Shock absorber
US12601385B2 (en) * 2023-03-15 2026-04-14 Hitachi Astemo, Ltd. Shock absorber

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009287731A (ja) 2008-05-30 2009-12-10 Hitachi Automotive Systems Ltd 緩衝器
JP2015086966A (ja) 2013-10-31 2015-05-07 日立オートモティブシステムズ株式会社 緩衝器
JP2019163768A (ja) 2016-07-26 2019-09-26 日立オートモティブシステムズ株式会社 緩衝器
JP2021181818A (ja) 2020-05-20 2021-11-25 日立Astemo株式会社 緩衝器

Also Published As

Publication number Publication date
KR20250044921A (ko) 2025-04-01
CN119836532A (zh) 2025-04-15
EP4596917A1 (en) 2025-08-06
US20240102528A1 (en) 2024-03-28
WO2024070710A1 (ja) 2024-04-04
JPWO2024070710A1 (https=) 2024-04-04
US12416343B2 (en) 2025-09-16

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