JP2020133702A - 液封ブッシュ - Google Patents
液封ブッシュ Download PDFInfo
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- JP2020133702A JP2020133702A JP2019025091A JP2019025091A JP2020133702A JP 2020133702 A JP2020133702 A JP 2020133702A JP 2019025091 A JP2019025091 A JP 2019025091A JP 2019025091 A JP2019025091 A JP 2019025091A JP 2020133702 A JP2020133702 A JP 2020133702A
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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
- F16F13/26—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
- F16F13/262—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 changing geometry of passages between working and equilibration chambers, e.g. cross-sectional area or length
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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
- F16F13/30—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 varying fluid viscosity, e.g. of magnetic or electrorheological fluids
- F16F13/305—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 varying fluid viscosity, e.g. of magnetic or electrorheological fluids magnetorheological
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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
- F16F13/14—Units of the bushing type, i.e. loaded predominantly radially
- F16F13/1463—Units of the bushing type, i.e. loaded predominantly radially characterised by features of passages 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
- F16F13/26—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
- F16F13/28—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 specially adapted for units of the bushing type
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
- B60G2204/40—Auxiliary suspension parts; Adjustment of suspensions
- B60G2204/41—Elastic mounts, e.g. bushings
- B60G2204/4106—Elastokinematic mounts
- B60G2204/41062—Elastokinematic mounts hydromounts; interconnected mounts
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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
- F16F2222/06—Magnetic or electromagnetic
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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
- F16F2224/00—Materials; Material properties
- F16F2224/04—Fluids
- F16F2224/045—Fluids magnetorheological
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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
- F16F2228/00—Functional characteristics, e.g. variability, frequency-dependence
- F16F2228/06—Stiffness
- F16F2228/066—Variable stiffness
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Combined Devices Of Dampers And Springs (AREA)
Abstract
Description
11 :内筒部材
12 :外筒部材
13 :弾性部材
16 :内側補強部
18 :径方向壁
18A :右前壁(第1の径方向壁)
18B :右後壁(第2の径方向壁)
18C :左後壁(第3の径方向壁)
18D :左前壁(第4の径方向壁)
19 :上端壁(第1の端壁)
20 :下端壁(第2の端壁)
21 :液室
21A :前液室(第1の液室)
21B :右液室(第2の液室)
21C :後液室(第3の液室)
21D :左液室(第4の液室)
22A :第1の内側高曲げ剛性部
22B :第2の内側高曲げ剛性部
22C :第3の内側高曲げ剛性部
26E :中外補強板
27 :下外補強板
28 :上外補強板
32A :第1の外側高曲げ剛性部
32B :第2の外側高曲げ剛性部
32C :第3の外側高曲げ剛性部
40 :コイル
40A :上コイル(第1のコイル)
40B :下コイル(第2のコイル)
40C :中コイル(第3のコイル)
42 :連通路
42A :前後連通路(第1の連通路)
42B :左右連通路(第2の連通路)
42C :前右連通路(第3の連通路)
42D :後左連通路(第4の連通路)
45 :内側ヨーク
46 :通路形成部材
47 :外側ヨーク
60A :上隙間(第1の空隙)
60B :下隙間(第2の空隙)
60C :中隙間(第3の空隙)
70 :粘性流体
X :軸線
Claims (8)
- 液封ブッシュであって、
軸線に沿って延在する筒状の内筒部材と、
前記軸線を中心とする筒状をなし、前記内筒部材を所定の間隔をおいて外囲する外筒部材と、
前記内筒部材と前記外筒部材との間に設けられ、前記内筒部材と前記外筒部材とを互いに連結するとともに、周方向に順に配置された第1、第2、第3及び第4の液室を画定する筒状の弾性部材とを有し、
前記第1の液室及び前記第3の液室は第1の連通路によって互いに連通し、
前記第2の液室及び前記第4の液室は第2の連通路によって互いに連通し、
前記第1の液室及び前記第2の液室は第3の連通路によって互いに連通し、
前記第3の液室及び前記第4の液室は第4の連通路によって互いに連通し、
前記第1、前記第2、前記第3、及び前記第4の液室と、前記第1、前記第2、前記第3、及び前記第4の連通路のそれぞれには粘性流体が封入され、
前記外筒部材に対する前記内筒部材の前記軸線に平行な方向への並進によって前記第1及び前記第2の液室の容積同士と、前記第3及び前記第4の液室の容積同士とがそれぞれ相反する関係で変化し、
前記外筒部材に対する前記内筒部材の前記軸線を中心とする回転によって前記第1及び前記第2の液室の容積同士と、前記第3及び前記第4の液室の容積同士とがそれぞれ相反する関係で変化し、
前記外筒部材に対する前記内筒部材の前記第1及び前記第3の液室の対向方向への並進によって前記第1及び前記第3の液室の容積が相反する関係で変化し、
前記外筒部材に対する前記内筒部材の前記第2及び前記第4の液室の対向方向への並進によって前記第2及び前記第4の液室の容積が相反する関係で変化することを特徴とする液封ブッシュ。 - 前記弾性部材は前記軸線に対して径外方向に延び、周方向に順に配置された第1、第2、第3及び第4の径方向壁と、周方向に隣接する前記径方向壁の間の空間を前記軸線の第1端側から封じる4つの第1の端壁と、周方向に隣接する前記径方向壁の間の空間を前記軸線の第2端側から封じる4つの第2の端壁とを有し、
前記第1、前記第2、前記第3、及び前記第4の液室は、前記第1、前記第2、前記第3、及び前記第4の前記径方向壁と、4つの前記第1の端壁、及び4つの前記第2の端壁とによって画定されていることを特徴とする請求項1に記載の液封ブッシュ。 - 前記第1の液室の前記第1端の側を画定する前記第1の端壁、及び前記第2の液室の前記第2端の側を画定する前記第2の端壁はそれぞれ前記内筒部材の側に高曲げ剛性部を有し、
前記第1の液室の前記第2端の側を画定する前記第2の端壁、及び前記第2の液室の前記第1端の側を画定する前記第1の端壁はそれぞれ前記外筒部材の側に高曲げ剛性部を有していることを特徴とする請求項2に記載の液封ブッシュ。 - 前記第1、及び前記第3の径方向壁はそれぞれ、前記内筒部材の側に高曲げ剛性部を有し、
前記第2、及び前記第4の径方向壁はそれぞれ、前記外筒部材の側に高曲げ剛性部を有していることを特徴とする請求項2又は請求項3に記載の液封ブッシュ。 - 前記高曲げ剛性部が対応する前記端壁、又は前記径方向壁に設けられた補強板を含むことを特徴とする請求項4に記載の液封ブッシュ。
- 前記外筒部材は、前記内筒部材と同軸をなすように配置されたコイルと、それぞれ前記内筒部材と同軸な円筒状をなし、前記コイルの内側に位置する空隙を介して対峙する一対のヨークを備え、
前記粘性流体は磁場によって粘性が増加する磁性流体であり、
前記連通路の少なくとも一つは前記空隙を通過していることを特徴とする請求項1〜請求項4のいずれか1つの項に記載の液封ブッシュ。 - 前記外筒部材は、非磁性体からなり、前記空隙を径内側から覆うとともに、前記コイル及び前記ヨークと協働して、前記空隙を通過する前記連通路を画定する通路形成部材を更に含むことを特徴とする請求項6に記載の液封ブッシュ。
- 前記コイルが軸方向に互いに離間するように配置された第1のコイル、第2のコイル及び第3のコイルを含み、
前記ヨークは前記第1のコイルにおいて発生した磁場を第1の空隙に、前記第2のコイルにおいて発生した磁場を第2の空隙に、前記第3のコイルにおいて発生した磁場を第3の空隙にそれぞれ集中させ、
前記第1の連通路が前記第1の空隙を通過し、
前記第2の連通路が前記第2の空隙を通過し、
前記第3の連通路及び前記第4の連通路が前記第3の空隙を通過していることを特徴とする請求項6又は請求項7に記載の液封ブッシュ。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
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JP2019025091A JP7060531B2 (ja) | 2019-02-15 | 2019-02-15 | 液封ブッシュ |
US16/790,258 US11441635B2 (en) | 2019-02-15 | 2020-02-13 | Liquid filled bushing assembly |
CN202010090112.6A CN111577818A (zh) | 2019-02-15 | 2020-02-13 | 液体填充衬套组件 |
Applications Claiming Priority (1)
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JP2019025091A JP7060531B2 (ja) | 2019-02-15 | 2019-02-15 | 液封ブッシュ |
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JP2020133702A true JP2020133702A (ja) | 2020-08-31 |
JP7060531B2 JP7060531B2 (ja) | 2022-04-26 |
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JP2019025091A Active JP7060531B2 (ja) | 2019-02-15 | 2019-02-15 | 液封ブッシュ |
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US (1) | US11441635B2 (ja) |
JP (1) | JP7060531B2 (ja) |
CN (1) | CN111577818A (ja) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN114270071B (zh) | 2020-05-27 | 2023-06-20 | 住友理工株式会社 | 防振装置 |
JP7116437B2 (ja) * | 2020-12-22 | 2022-08-10 | 本田技研工業株式会社 | サスペンションアームブッシュ |
CN112537178B (zh) * | 2020-12-23 | 2022-08-19 | 上汽通用汽车有限公司 | 一种汽车悬架衬套及汽车 |
JP2022142088A (ja) * | 2021-03-16 | 2022-09-30 | 本田技研工業株式会社 | ブッシュ |
JP2024003598A (ja) | 2022-06-27 | 2024-01-15 | 住友理工株式会社 | 防振装置 |
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2019
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Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH07151182A (ja) * | 1993-12-02 | 1995-06-13 | Tokai Rubber Ind Ltd | 流体封入式防振ブッシュ |
JPH07158688A (ja) * | 1993-12-10 | 1995-06-20 | Tokai Rubber Ind Ltd | 流体封入式筒型防振組立体 |
EP1705400A1 (fr) * | 2005-03-23 | 2006-09-27 | Hutchinson | Dispositif antivibratoire hydraulique contenant un fluide a viscosite commandée, système comportant un tel dispositif et véhicule comportant un tel système |
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JP7060531B2 (ja) | 2022-04-26 |
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