JP2021165583A - 液封入式防振装置 - Google Patents
液封入式防振装置 Download PDFInfo
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- 239000007788 liquid Substances 0.000 title claims abstract description 121
- 238000007789 sealing Methods 0.000 title abstract description 4
- 230000002093 peripheral effect Effects 0.000 claims abstract description 124
- 238000004891 communication Methods 0.000 claims abstract description 21
- 238000005192 partition Methods 0.000 claims description 47
- 239000000758 substrate Substances 0.000 claims description 16
- 230000000694 effects Effects 0.000 description 34
- 238000013016 damping Methods 0.000 description 23
- 238000006073 displacement reaction Methods 0.000 description 8
- 230000002159 abnormal effect Effects 0.000 description 6
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- 239000007769 metal material Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000002528 anti-freeze Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000009751 slip forming Methods 0.000 description 1
- 238000000638 solvent extraction Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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- 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
- F16F13/00—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs
- F16F13/04—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper
- F16F13/06—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper the damper being a fluid damper, e.g. the plastics spring not forming a part of the wall of the fluid chamber of the damper
- F16F13/08—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper the damper being a fluid damper, e.g. the plastics spring not forming a part of the wall of the fluid chamber of the damper the plastics spring forming at least a part of the wall of the fluid chamber of the damper
- F16F13/10—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper the damper being a fluid damper, e.g. the plastics spring not forming a part of the wall of the fluid chamber of the damper the plastics spring forming at least a part of the wall of the fluid chamber of the damper the wall being at least in part formed by a flexible membrane or the like
- F16F13/105—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper the damper being a fluid damper, e.g. the plastics spring not forming a part of the wall of the fluid chamber of the damper the plastics spring forming at least a part of the wall of the fluid chamber of the damper the wall being at least in part formed by a flexible membrane or the like characterised by features of partitions between two working chambers
- F16F13/107—Passage design between working chambers
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- 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
- F16F13/00—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs
- F16F13/04—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper
- F16F13/06—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper the damper being a fluid damper, e.g. the plastics spring not forming a part of the wall of the fluid chamber of the damper
- F16F13/08—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper the damper being a fluid damper, e.g. the plastics spring not forming a part of the wall of the fluid chamber of the damper the plastics spring forming at least a part of the wall of the fluid chamber of the damper
- F16F13/10—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper the damper being a fluid damper, e.g. the plastics spring not forming a part of the wall of the fluid chamber of the damper the plastics spring forming at least a part of the wall of the fluid chamber of the damper the wall being at least in part formed by a flexible membrane or the like
- F16F13/105—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper the damper being a fluid damper, e.g. the plastics spring not forming a part of the wall of the fluid chamber of the damper the plastics spring forming at least a part of the wall of the fluid chamber of the damper the wall being at least in part formed by a flexible membrane or the like characterised by features of partitions between two working chambers
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- 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
- F16F13/00—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs
- F16F13/04—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper
- F16F13/26—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper characterised by adjusting or regulating devices responsive to exterior conditions
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K5/00—Arrangement or mounting of internal-combustion or jet-propulsion units
- B60K5/12—Arrangement of engine supports
- B60K5/1208—Resilient supports
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- 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
- F16F13/00—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs
- F16F13/04—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper
- F16F13/06—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper the damper being a fluid damper, e.g. the plastics spring not forming a part of the wall of the fluid chamber of the damper
- F16F13/08—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper the damper being a fluid damper, e.g. the plastics spring not forming a part of the wall of the fluid chamber of the damper the plastics spring forming at least a part of the wall of the fluid chamber of the damper
- F16F13/10—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper the damper being a fluid damper, e.g. the plastics spring not forming a part of the wall of the fluid chamber of the damper the plastics spring forming at least a part of the wall of the fluid chamber of the damper the wall being at least in part formed by a flexible membrane or the like
- F16F13/105—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper the damper being a fluid damper, e.g. the plastics spring not forming a part of the wall of the fluid chamber of the damper the plastics spring forming at least a part of the wall of the fluid chamber of the damper the wall being at least in part formed by a flexible membrane or the like characterised by features of partitions between two working chambers
- F16F13/106—Design of constituent elastomeric parts, e.g. decoupling valve elements, or of immediate abutments therefor, e.g. cages
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- 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
- F16F13/00—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs
- F16F13/04—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper
- F16F13/26—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper characterised by adjusting or regulating devices responsive to exterior conditions
- F16F13/264—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper characterised by adjusting or regulating devices responsive to exterior conditions comprising means for acting dynamically on the walls bounding a working chamber
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- 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
- F16F13/00—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs
- F16F13/04—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper
- F16F13/26—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper characterised by adjusting or regulating devices responsive to exterior conditions
- F16F13/266—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper characterised by adjusting or regulating devices responsive to exterior conditions comprising means for acting dynamically on the walls bounding a passage between working and equilibration chambers
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- 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
- F16F13/00—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs
- F16F13/04—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper
- F16F13/26—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper characterised by adjusting or regulating devices responsive to exterior conditions
- F16F13/268—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper characterised by adjusting or regulating devices responsive to exterior conditions comprising means for acting dynamically on the walls bounding an equilibration chamber
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- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Combined Devices Of Dampers And Springs (AREA)
- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
Abstract
【解決手段】第2オリフィスP2は、第1弁部13の上下に対向する一対の対向面81c,91cを備え、弾性可動体10の外周部12の径方向寸法D1が上下方向寸法D2よりも大きく形成される。これにより、第2オリフィスP2を通過する液体の液圧が弾性可動体10の外周部12に作用した場合に、外周部12の全体が撓むように変形する。その外周部12の変形によって第1弁部13と対向面81c,91c(凹部81d,91d)とが離隔または接触することにより、第2オリフィスP2の連通状態および閉塞状態が切り替えられる。弾性可動体10の外周部12の全体を撓ませるように変形させることにより、外周部12の一部に応力が集中することを抑制できるので、外周部12に亀裂が生じ難くなる。よって、弾性可動体10の耐久性を向上できる。
【選択図】図5
Description
2 第1取付部材
3 防振基体
4 第2取付部材
6 ダイヤフラム
7 仕切部材
10 弾性可動体
11 被保持部
12 外周部
13 第1弁部
14 第2弁部
80e 周壁面
81c,91c 対向面
81d,91d 凹部
81f,91f リブ(挟持部)
C1 第1液室
C2 第2液室
D1 外周部の径方向寸法
D2 外周部の軸方向寸法
L リーク流路
P1 第1オリフィス(オリフィス)
P2 第2オリフィス(オリフィス)
Claims (11)
- 第1取付部材と、筒状の第2取付部材と、その第2取付部材の軸方向一端側の開口部分を閉塞するようにして前記第1取付部材および前記第2取付部材を連結し、ゴム状弾性体を用いて形成される防振基体と、前記第2取付部材の軸方向他端側の開口部分を閉塞し、ゴム状弾性体を用いて形成されるダイヤフラムと、そのダイヤフラム及び前記防振基体の間で前記第2取付部材の内周側に保持され、前記防振基体側の第1液室および前記ダイヤフラム側の第2液室を仕切る仕切部材と、その仕切部材に形成され、前記第1液室および前記第2液室を連通させるオリフィスと、前記仕切部材に収納され、ゴム状弾性体を用いて形成される円盤状の弾性可動体と、を備え、
前記オリフィスは、第1オリフィスと、その第1オリフィスよりも高い周波数で共振するように構成される第2オリフィスと、から少なくとも構成され、
前記弾性可動体は、その弾性可動体の内周側の部位を構成し前記仕切部材に保持される被保持部と、その被保持部から径方向外側に突出し前記第2オリフィスの流路上に配置される外周部と、その外周部の外周端側から軸方向両側に突出する第1弁部と、を備え、
前記第2オリフィスには、前記第1弁部に径方向で対向し前記第1弁部との間に流路を形成する周壁面が形成される液封入式防振装置であって、
前記外周部は、径方向寸法が軸方向寸法よりも大きく設定され、
前記第2オリフィスには、前記周壁面から径方向内側に突出し前記第1弁部に軸方向両側で対向する一対の対向面が形成され、
前記第1弁部が前記対向面と接触または離隔することにより、第2オリフィスの連通状態と閉塞状態とが切り替えられることを特徴とする液封入式防振装置。 - 振動が入力される前の状態において前記第1弁部と前記対向面とが離隔し、
前記第1弁部または前記対向面の少なくとも一方には、所定の第1振幅の振動入力時に前記第1弁部が前記対向面に接触した場合に、前記第2オリフィスの連通状態を維持するリーク流路が形成されることを特徴とする請求項1記載の液封入式防振装置。 - 前記第1振幅よりも大きい第2振幅の振動入力時に、前記第1弁部によって前記リーク流路を閉塞可能に構成されることを特徴とする請求項2記載の液封入式防振装置。
- 前記弾性可動体は、前記第1弁部よりも内周側に形成され前記外周部から軸方向両側に突出する第2弁部を備え、
前記第2弁部は、一対の前記対向面に軸方向で対向し、
前記第2弁部と前記対向面との対向間隔は、前記第1弁部と前記対向面との対向間隔よりも広く形成されることを特徴とする請求項3記載の液封入式防振装置。 - 前記第2振幅の振動入力時に前記第2弁部が前記対向面に接触することを特徴とする請求項4記載の液封入式防振装置。
- 前記第2弁部または前記対向面の少なくとも一方には、前記第2弁部が前記対向面に接触した場合に、前記第2オリフィスの連通状態を維持するリーク流路が形成されることを特徴とする請求項4又は5に記載の液封入式防振装置。
- 前記第2振幅の振動入力時に、前記第2弁部によって前記リーク流路を閉塞可能に構成されることを特徴とする請求項6記載の液封入式防振装置。
- 前記第1弁部および前記第2弁部が非形成とされる領域において、前記外周部の軸方向寸法が一定に形成されることを特徴とする請求項4から7のいずれかに記載の液封入式防振装置。
- 前記リーク流路の流路幅が径方向内側ほど狭く形成されることを特徴とする請求項2から8のいずれかに記載の液封入式防振装置。
- 前記仕切部材は、前記外周部の周方向の一部を上下から挟持する挟持部を備え、
前記リーク流路は、周方向において前記挟持部とは異なる位置に形成されることを特徴とする請求項2から9のいずれかに記載の液封入式防振装置。 - 前記対向面に形成される凹部によって前記リーク流路が形成されることを特徴とする請求項2から10のいずれかに記載の液封入式防振装置。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
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JP2020069944A JP7438000B2 (ja) | 2020-04-08 | 2020-04-08 | 液封入式防振装置 |
CN202110243023.5A CN113494556B (zh) | 2020-04-08 | 2021-03-05 | 充液式防振装置 |
US17/205,132 US11644080B2 (en) | 2020-04-08 | 2021-03-18 | Lquid-filled vibration isolator |
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Application Number | Priority Date | Filing Date | Title |
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JP2020069944A JP7438000B2 (ja) | 2020-04-08 | 2020-04-08 | 液封入式防振装置 |
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JP2021165583A true JP2021165583A (ja) | 2021-10-14 |
JP7438000B2 JP7438000B2 (ja) | 2024-02-26 |
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JP2020069944A Active JP7438000B2 (ja) | 2020-04-08 | 2020-04-08 | 液封入式防振装置 |
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JP (1) | JP7438000B2 (ja) |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2022113552A1 (ja) * | 2020-11-24 | 2022-06-02 | 住友理工株式会社 | 流体封入式防振装置 |
WO2022138029A1 (ja) * | 2020-12-21 | 2022-06-30 | 住友理工株式会社 | 流体封入式防振装置 |
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US4742999A (en) * | 1986-05-16 | 1988-05-10 | Flower Wallace C | Quiet acting fluid filled vibration isolator having predictable low level high frequency minimum dynamic stiffness |
DE3937232A1 (de) * | 1989-11-09 | 1991-05-16 | Freudenberg Carl Fa | Gummilager mit hydraulischer daempfung |
US6422545B1 (en) * | 2001-02-09 | 2002-07-23 | Delphi Technologies, Inc. | Vacuum actuated active decoupler mount |
US6439556B1 (en) * | 2001-02-15 | 2002-08-27 | Delphi Technologies, Inc. | Active decoupler hydraulic mount |
JP4078321B2 (ja) * | 2004-03-11 | 2008-04-23 | 本田技研工業株式会社 | 能動型防振支持装置 |
JP4228219B2 (ja) * | 2004-03-22 | 2009-02-25 | 東海ゴム工業株式会社 | 流体封入式防振装置 |
JP4359889B2 (ja) * | 2004-09-30 | 2009-11-11 | 東海ゴム工業株式会社 | 流体封入式防振装置 |
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2020
- 2020-04-08 JP JP2020069944A patent/JP7438000B2/ja active Active
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2021
- 2021-03-05 CN CN202110243023.5A patent/CN113494556B/zh active Active
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Cited By (2)
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WO2022113552A1 (ja) * | 2020-11-24 | 2022-06-02 | 住友理工株式会社 | 流体封入式防振装置 |
WO2022138029A1 (ja) * | 2020-12-21 | 2022-06-30 | 住友理工株式会社 | 流体封入式防振装置 |
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