KR102658271B1 - 완충기 - Google Patents

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Publication number
KR102658271B1
KR102658271B1 KR1020227009004A KR20227009004A KR102658271B1 KR 102658271 B1 KR102658271 B1 KR 102658271B1 KR 1020227009004 A KR1020227009004 A KR 1020227009004A KR 20227009004 A KR20227009004 A KR 20227009004A KR 102658271 B1 KR102658271 B1 KR 102658271B1
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KR
South Korea
Prior art keywords
piston
cylinder
diameter
band
piston rod
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
KR1020227009004A
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English (en)
Korean (ko)
Other versions
KR20220041942A (ko
Inventor
가즈야 야마다
겐타로 야마다
레이지 나카가와
히로야스 사토
사다토모 마츠무라
와타루 다카기
Original Assignee
히다치 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.)
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Publication of KR20220041942A publication Critical patent/KR20220041942A/ko
Application granted granted Critical
Publication of KR102658271B1 publication Critical patent/KR102658271B1/ko
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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
    • F16F9/3207—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
    • 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
    • F16F9/10—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
    • 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
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/16—Sealings between relatively-moving surfaces
    • F16J15/18—Sealings between relatively-moving surfaces with stuffing-boxes for elastic or plastic packings
    • 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
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J9/00—Piston-rings, e.g. non-metallic piston-rings, seats therefor; Ring sealings of similar construction
    • F16J9/28—Piston-rings, e.g. non-metallic piston-rings, seats therefor; Ring sealings of similar construction of non-metals
    • 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
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Fluid-Damping Devices (AREA)
  • Sealing Devices (AREA)
KR1020227009004A 2019-10-02 2020-09-25 완충기 Active KR102658271B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JPJP-P-2019-182405 2019-10-02
JP2019182405 2019-10-02
PCT/JP2020/036315 WO2021065729A1 (ja) 2019-10-02 2020-09-25 緩衝器

Publications (2)

Publication Number Publication Date
KR20220041942A KR20220041942A (ko) 2022-04-01
KR102658271B1 true KR102658271B1 (ko) 2024-04-16

Family

ID=75338269

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020227009004A Active KR102658271B1 (ko) 2019-10-02 2020-09-25 완충기

Country Status (6)

Country Link
US (1) US12222018B2 (https=)
JP (1) JP7246504B2 (https=)
KR (1) KR102658271B1 (https=)
CN (1) CN114450504A (https=)
DE (1) DE112020004785T5 (https=)
WO (1) WO2021065729A1 (https=)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002276808A (ja) 2001-03-16 2002-09-25 Kayaba Ind Co Ltd ピストン部構造
JP2004245296A (ja) 2003-02-13 2004-09-02 Kayaba Ind Co Ltd ピストン
JP2007127148A (ja) 2005-11-01 2007-05-24 Nok Corp ピストン軸受
JP2018138789A (ja) 2017-02-24 2018-09-06 Ｋｙｂ株式会社 ピストン

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1802281A (en) * 1929-02-13 1931-04-21 Wilson Snyder Mfg Company Slush pump
US2772931A (en) * 1953-11-06 1956-12-04 Paul R G Biedermann Piston for reciprocating pumps
US2994571A (en) * 1957-03-05 1961-08-01 Renault Piston and rod packings
US2984529A (en) * 1959-01-26 1961-05-16 Baldwin Rubber Co Unitary sealed piston
US3136228A (en) * 1962-02-05 1964-06-09 Baldwin Montrose Chemical Comp Piston structure
US3212411A (en) * 1964-02-14 1965-10-19 Duriron Co Fluid tight self-lubricating cylinder assembly
US3563557A (en) * 1968-11-04 1971-02-16 Scovill Manufacturing Co Dual piston seal
US3605553A (en) * 1969-05-05 1971-09-20 Pier Luigi Panigati Pressure fluid operated cylinder
US3730305A (en) * 1971-04-16 1973-05-01 Ford Motor Co Shock absorber piston
US4075935A (en) * 1972-03-30 1978-02-28 Pier Luigi Panigati Piston for pressure fluid operated cylinders
DE3008708A1 (de) * 1980-03-07 1981-09-24 Fichtel & Sachs Ag, 8720 Schweinfurt Befestigung eines kolbenringes auf einem kolben
DE3039534A1 (de) * 1980-10-20 1982-04-29 Fa. Carl Freudenberg, 6940 Weinheim Selbstarretierender dicht-abstreifring
US4747606A (en) * 1985-09-23 1988-05-31 Vetco Gray Inc. Bi-directional metal-to-metal seal
JPS63172061A (ja) * 1986-12-29 1988-07-15 Daido Metal Kogyo Kk 密封装置
US5435233A (en) * 1993-07-06 1995-07-25 Tri Dayton, Inc. Banded piston
DE19523397C1 (de) * 1995-06-28 1996-08-14 Fichtel & Sachs Ag Kolben mit richtungsabhängigen Voröffnungsquerschnitten
DE19847341A1 (de) * 1998-10-14 2000-04-20 Gkn Sinter Metals Holding Gmbh Kolben für eine Kolben-Zylinder-Anordnung, insbesondere Stoßdämpferkolben
DE19847343A1 (de) * 1998-10-14 2000-04-20 Gkn Sinter Metals Holding Gmbh Kolben mit druckabhängiger Dichtwirkung für eine Kolben-Zylinder-Anordnung, insbesondere Stoßdämpferkolben
DE19847342A1 (de) * 1998-10-14 2000-08-17 Gkn Sinter Metals Holding Gmbh Kolben mit Stützstegen für eine Kolben-Zylinder-Anordnung, insbesondere Stoßdämpferkolben
US6305266B1 (en) * 1998-12-04 2001-10-23 W.S. Shamban Europa A/S Piston or plunger and a method for making the same
DE102007036017A1 (de) * 2007-07-30 2009-02-19 Gkn Sinter Metals Holding Gmbh Kolben für eine Kolben-Zylinder-Anordnung und Herstellungsverfahren
JP5746237B2 (ja) * 2013-02-06 2015-07-08 カヤバ工業株式会社 ピストン及びピストンを備える緩衝器
JP6594226B2 (ja) * 2016-02-25 2019-10-23 株式会社ショーワ 圧力緩衝装置および流路形成部材
EP3552886A1 (en) 2018-04-09 2019-10-16 IDT Europe GmbH Wireless sensor inferface for steering wheel
CN112135987A (zh) * 2018-05-21 2020-12-25 日立汽车系统株式会社 缓冲器

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002276808A (ja) 2001-03-16 2002-09-25 Kayaba Ind Co Ltd ピストン部構造
JP2004245296A (ja) 2003-02-13 2004-09-02 Kayaba Ind Co Ltd ピストン
JP2007127148A (ja) 2005-11-01 2007-05-24 Nok Corp ピストン軸受
JP2018138789A (ja) 2017-02-24 2018-09-06 Ｋｙｂ株式会社 ピストン

Also Published As

Publication number Publication date
WO2021065729A1 (ja) 2021-04-08
US20220275847A1 (en) 2022-09-01
DE112020004785T5 (de) 2022-06-15
KR20220041942A (ko) 2022-04-01
CN114450504A (zh) 2022-05-06
JP7246504B2 (ja) 2023-03-27
US12222018B2 (en) 2025-02-11
JPWO2021065729A1 (https=) 2021-04-08

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Patent event date: 20220317

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