JP7199513B2 - 緩衝器 - Google Patents

緩衝器 Download PDF

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Publication number
JP7199513B2
JP7199513B2 JP2021508100A JP2021508100A JP7199513B2 JP 7199513 B2 JP7199513 B2 JP 7199513B2 JP 2021508100 A JP2021508100 A JP 2021508100A JP 2021508100 A JP2021508100 A JP 2021508100A JP 7199513 B2 JP7199513 B2 JP 7199513B2
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JP
Japan
Prior art keywords
chamber
cylinder
piston rod
elastic rubber
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.)
Active
Application number
JP2021508100A
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English (en)
Japanese (ja)
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JPWO2020195010A1 (enExample
Inventor
康浩 青木
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.)
Hitachi 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 JPWO2020195010A1 publication Critical patent/JPWO2020195010A1/ja
Application granted granted Critical
Publication of JP7199513B2 publication Critical patent/JP7199513B2/ja
Active legal-status Critical Current
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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
    • F16F9/36—Special sealings, including sealings or guides for piston-rods
    • F16F9/368—Sealings in 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
    • F16F9/36—Special sealings, including sealings or guides for piston-rods
    • F16F9/362—Combination of sealing and guide arrangements for piston rods
    • F16F9/364—Combination of sealing and guide arrangements for piston rods of multi-tube dampers
    • 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
    • F16F7/00—Vibration-dampers; Shock-absorbers
    • F16F7/08—Vibration-dampers; Shock-absorbers with friction surfaces rectilinearly movable along each other
    • F16F7/09—Vibration-dampers; Shock-absorbers with friction surfaces rectilinearly movable along each other in dampers of the cylinder-and-piston type

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Fluid-Damping Devices (AREA)
  • Vibration Dampers (AREA)
JP2021508100A 2019-03-26 2020-01-10 緩衝器 Active JP7199513B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2019058113 2019-03-26
JP2019058113 2019-03-26
PCT/JP2020/000661 WO2020195010A1 (ja) 2019-03-26 2020-01-10 緩衝器

Publications (2)

Publication Number Publication Date
JPWO2020195010A1 JPWO2020195010A1 (enExample) 2020-10-01
JP7199513B2 true JP7199513B2 (ja) 2023-01-05

Family

ID=72610878

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2021508100A Active JP7199513B2 (ja) 2019-03-26 2020-01-10 緩衝器

Country Status (6)

Country Link
US (1) US11927241B2 (enExample)
JP (1) JP7199513B2 (enExample)
KR (1) KR102527035B1 (enExample)
CN (1) CN113631828A (enExample)
DE (1) DE112020001531T5 (enExample)
WO (1) WO2020195010A1 (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI854685B (zh) * 2023-06-06 2024-09-01 精鯊工業有限公司 軸心鎖固結構
CN116677740B (zh) * 2023-06-20 2025-09-23 浙江钻盛科技有限公司 单筒减震器

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014163517A (ja) 2013-02-25 2014-09-08 Hitachi Automotive Systems Ltd 緩衝器およびこれを用いた車両

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5927460B2 (ja) 1976-04-10 1984-07-05 トキコ株式会社 緩衝器
JPS6035812Y2 (ja) * 1979-11-09 1985-10-24 トキコ株式会社 ガススプリング
US4342447A (en) * 1980-08-25 1982-08-03 Atwood Vacuum Machine Company Gas spring with tubular shell seal
DE3206124A1 (de) * 1982-02-20 1983-09-01 Fichtel & Sachs Ag, 8720 Schweinfurt Hydropneumatischer zweirohr-schwingungsdaempfer mit einem im bereich einer kolbenstangenfuehrung angeordneten oelabstreifring
JPH0178743U (enExample) * 1987-11-17 1989-05-26
US5176229A (en) * 1989-09-29 1993-01-05 Atsugi Unisia Corporation Hydraulic shock absorber with a rod guide having an annular doubled wall section
JP3702416B2 (ja) * 2000-03-16 2005-10-05 株式会社日立製作所 液圧緩衝器
JP4455728B2 (ja) * 2000-04-28 2010-04-21 日立オートモティブシステムズ株式会社 油圧緩衝器
JP3646868B2 (ja) * 2000-11-09 2005-05-11 大同メタル工業株式会社 油圧緩衝器
JP4312973B2 (ja) 2001-07-11 2009-08-12 株式会社日立製作所 液圧緩衝器の摩擦発生装置
ES2330818B2 (es) * 2006-08-11 2010-10-29 Kayaba Industry Co., Ltd. Estructura de valvula de retencion de amortiguador hidraulico.
JP4972518B2 (ja) * 2007-10-24 2012-07-11 カヤバ工業株式会社 チェック構造
CN104246283B (zh) * 2012-07-27 2016-05-18 日立汽车系统株式会社 液压缓冲器
CN107110273B (zh) * 2014-12-25 2019-04-05 日立汽车系统株式会社 缸体装置
KR102298611B1 (ko) * 2017-05-26 2021-09-03 히다치 아스테모 가부시키가이샤 완충기
DE112019004375T5 (de) * 2018-08-29 2021-05-12 Hitachi Astemo, Ltd. Stossdämpfer
WO2020095806A1 (ja) * 2018-11-05 2020-05-14 日立オートモティブシステムズ株式会社 緩衝器

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014163517A (ja) 2013-02-25 2014-09-08 Hitachi Automotive Systems Ltd 緩衝器およびこれを用いた車両

Also Published As

Publication number Publication date
WO2020195010A1 (ja) 2020-10-01
US11927241B2 (en) 2024-03-12
KR20210126762A (ko) 2021-10-20
US20220154797A1 (en) 2022-05-19
DE112020001531T5 (de) 2021-12-16
CN113631828A (zh) 2021-11-09
KR102527035B1 (ko) 2023-04-27
JPWO2020195010A1 (enExample) 2020-10-01

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