JP2023505692A - 可変負荷型液圧制御装置 - Google Patents
可変負荷型液圧制御装置 Download PDFInfo
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- 230000003068 static effect Effects 0.000 claims abstract description 19
- 230000006835 compression Effects 0.000 claims description 71
- 238000007906 compression Methods 0.000 claims description 71
- 239000012530 fluid Substances 0.000 claims description 33
- 230000004044 response Effects 0.000 claims description 3
- 230000035939 shock Effects 0.000 description 27
- 238000010521 absorption reaction Methods 0.000 description 16
- 239000006096 absorbing agent Substances 0.000 description 14
- 238000006073 displacement reaction Methods 0.000 description 9
- 230000008859 change Effects 0.000 description 6
- 230000006870 function Effects 0.000 description 6
- 239000000725 suspension Substances 0.000 description 6
- 230000007704 transition Effects 0.000 description 6
- 238000000418 atomic force spectrum Methods 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
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- 230000009467 reduction Effects 0.000 description 2
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- 230000009969 flowable effect Effects 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
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/48—Arrangements for providing different damping effects at different parts of the stroke
- F16F9/49—Stops limiting fluid passage, e.g. hydraulic stops or elastomeric elements inside the cylinder which contribute to changes in fluid damping
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G17/00—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
- B60G17/02—Spring characteristics, e.g. mechanical springs and mechanical adjusting means
- B60G17/04—Spring characteristics, e.g. mechanical springs and mechanical adjusting means fluid spring characteristics
- B60G17/056—Regulating distributors or valves for hydropneumatic systems
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G17/00—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
- B60G17/06—Characteristics of dampers, e.g. mechanical dampers
- B60G17/08—Characteristics of fluid dampers
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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
- 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
- F16F9/19—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 with a single cylinder and of single-tube type
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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
- 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
- F16F9/3235—Constructional features of cylinders
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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
- 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
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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
- 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
- F16F9/346—Throttling passages in the form of slots arranged in cylinder walls
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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
- 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
- F16F9/346—Throttling passages in the form of slots arranged in cylinder walls
- F16F9/3465—Slots having a variable section along their 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
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/50—Special means providing automatic damping adjustment, i.e. self-adjustment of damping by particular sliding movements of a valve element, other than flexions or displacement of valve discs; Special means providing self-adjustment of spring characteristics
- F16F9/512—Means responsive to load action, i.e. static load on the damper or dynamic fluid pressure changes in the damper, e.g. due to changes in velocity
- F16F9/5123—Means responsive to load action, i.e. static load on the damper or dynamic fluid pressure changes in the damper, e.g. due to changes in velocity responsive to the static or steady-state load on the damper
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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
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/50—Special means providing automatic damping adjustment, i.e. self-adjustment of damping by particular sliding movements of a valve element, other than flexions or displacement of valve discs; Special means providing self-adjustment of spring characteristics
- F16F9/512—Means responsive to load action, i.e. static load on the damper or dynamic fluid pressure changes in the damper, e.g. due to changes in velocity
- F16F9/5126—Piston, or piston-like valve elements
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- 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
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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
- B60G2204/45—Stops limiting travel
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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
- 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
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Fluid-Damping Devices (AREA)
Abstract
Description
1a. 大径シリンダ
1b. 小径シリンダ
1c. 突出部
1a’. 延長シリンダ
2. 保持リング
3. 上側スプリング
4. 下側スプリング
5. 内側ケース
6. 制御面
7. 可変リーク開口部
8. 制御チャンバ
9. 内側管
10. 上側管状ヘッド
11. チャネル
12. ワッシャ
13. 外側チャンバ
14. 内側チャンバ
15. ピストン
16. 環状支持体
17. 常設リーク開口部
18. 貫通溝
19. 貫通開口部
20. バルブ支持体
21. 負荷状態の車両に係る動作-力曲線
22. 半負荷状態の車両に係る動作-力曲線
23. 無負荷状態の車両に係る動作-力曲線
24. 標準的な緩衝器に係る動作-力曲線
Claims (9)
- ロッドにより駆動され、管状ケースを摺動し、トラクションチャンバと圧縮チャンバとを分離するピストン(15)を備える可変負荷型液圧制御装置であって、前記ピストン(15)には、少なくとも一端で開口する縦チャネル(11)を備えて収容された上側管状ヘッド(10)が固定されており、および、内側管(9)が、一連の貫通孔を備える環状支持体(16)に固定されており、前記上側管状ヘッド(10)は、前記管状ケースと前記内側管(9)の外側に沿って摺動して、両構成要素(9,10)の内側および外側にそれぞれ内側チャンバ(14)および外側チャンバ(13)が形成され、これら両方のチャンバ(13,14)は前記チャネル(11)と前記環状支持体(16)の前記貫通孔とを介して連通しており、前記装置は、
前記内側管(9)に固定される内側ケース(5)であって、前記内側管(9)と同軸にその間に空間を形成可能である内側ケース(5)と、
前記内側管(9)と前記内側ケース(5)との間の前記空間に嵌合され、これらの間を摺動可能であり、これらと同軸であるフローティングピストン(1)と、
前記内側ケース(5)中に位置される保持リング(2)と、
前記内側管(9)と同軸であり、前記フローティングピストン(1)の突出部(1c)と前記上側管状ヘッド(10)中に位置されるワッシャ(12)の延在部との間に位置される上側スプリング(3)と、
前記内側管(9)と同軸であり、前記フローティングピストン(1)の前記突出部(1c)と前記内側ケース(5)中に位置する基部との間に形成された制御チャンバ(8)中に位置される下側スプリング(4)と、
前記外側チャンバ(13)と前記内側チャンバ(14)とを連通する可変リーク開口部(7)が設けられた前記内側管(9)の外表面の凹部により構成された制御面(6)と、を備え、
前記フローティングピストン(1)の位置は、前記液圧制御装置の静荷重により決定されると共に、前記可変リーク開口部(7)の流路断面を決定する可変負荷型液圧制御装置。 - 前記制御チャンバ(8)は、前記フローティングピストン(1)の前記突出部(1c)、前記内側ケース(5)の前記基部、前記内側管(9)および前記フローティングピストン(1)から選択される要素の内表面、ならびに、前記フローティングピストン(1)および前記内側ケース(5)から選択される要素の外表面によって構成され、前記制御チャンバ(8)はさらに、動荷重が加えられた際に前記フローティングピストン(1)が動かないよう流体が充填されている、請求項1に記載の可変負荷型液圧制御装置。
- 前記制御面(6)は、前記内側管(9)の外径に対して前記可変リーク開口部(7)に達するまで前記内側管(9)の縦軸の方向に増大する可変の深さと、圧縮ストローク中に前記上側管状ヘッド(10)によってカバーされるような長さと、を有する、請求項1に記載の可変負荷型液圧制御装置。
- 前記内側管(9)は、前記環状支持体(16)に近接した位置に、前記上側管状ヘッド(10)によるアクセスが不可能な常設リーク開口部(17)を備え、
前記内側ケース(5)は、バルブ支持体(20)により前記内側管(9)に取り付けられていると共に、前記流体が前記内側チャンバ(14)内で循環可能であるよう貫通溝(18)を備えている、請求項1に記載の可変負荷型液圧制御装置。 - 前記制御面(6)は、前記内側管(9)の外径に対して深さを有すると共に、圧縮ストローク中に前記上側管状ヘッド(10)から常に突出する長さを有し、前記上側管状ヘッド(10)が前記圧縮ストロークの終点に達した時に流体の流路が閉じないようにする、請求項1に記載の可変負荷型液圧制御装置。
- 前記フローティングピストン(1)は、受ける前記静荷重に応じて、前記リーク開口部(7)に対向して、前記流体を前記外側チャンバ(13)および前記内側チャンバ(14)の間で流通させる位置に貫通開口部(19)を備える、請求項5に記載の可変負荷型液圧制御装置。
- 前記上側管状ヘッド(10)は、前記チャネル(11)を中心に整列された複数の孔を備える、請求項1から6のいずれか一項に記載の可変負荷型液圧制御装置。
- 前記上側管状ヘッド(10)の前記チャネル(11)は前記ピストン(15)に最も近い端部で閉じられて、この端部までの距離が大きくなるに伴って前記上側管状ヘッド(10)の柔軟性が高まる、請求項7に記載の可変負荷型液圧制御装置。
- 前記チャネル(11)は貫通チャネルであり、前記上側管状ヘッド(10)の前記チャネル(11)の2つの端部が開いている、請求項7に記載の可変負荷型液圧制御装置。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ESP201931098 | 2019-12-11 | ||
ES201931098A ES2832888B2 (es) | 2019-12-11 | 2019-12-11 | Dispositivo de control hidraulico de carga variable |
PCT/ES2020/070737 WO2021116510A1 (es) | 2019-12-11 | 2020-11-25 | Dispositivo de control hidráulico de carga variable |
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Publication Number | Publication Date |
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JP2023505692A true JP2023505692A (ja) | 2023-02-10 |
JP7336598B2 JP7336598B2 (ja) | 2023-08-31 |
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JP2022535129A Active JP7336598B2 (ja) | 2019-12-11 | 2020-11-25 | 可変負荷型液圧制御装置 |
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Country | Link |
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US (1) | US11592073B2 (ja) |
EP (1) | EP4075014A4 (ja) |
JP (1) | JP7336598B2 (ja) |
CN (1) | CN114761701B (ja) |
ES (1) | ES2832888B2 (ja) |
WO (1) | WO2021116510A1 (ja) |
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2019
- 2019-12-11 ES ES201931098A patent/ES2832888B2/es active Active
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- 2020-11-25 WO PCT/ES2020/070737 patent/WO2021116510A1/es unknown
- 2020-11-25 CN CN202080085740.3A patent/CN114761701B/zh active Active
- 2020-11-25 EP EP20898932.7A patent/EP4075014A4/en active Pending
- 2020-11-25 JP JP2022535129A patent/JP7336598B2/ja active Active
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Patent Citations (5)
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JPS56155139U (ja) * | 1980-04-21 | 1981-11-19 | ||
JPH04114143U (ja) * | 1991-03-25 | 1992-10-07 | 株式会社昭和製作所 | 油圧緩衝器のオイルロツク機構 |
JPH0522889U (ja) * | 1991-08-30 | 1993-03-26 | 株式会社昭和製作所 | 油圧緩衝器のオイルロツク機構 |
JP2017521618A (ja) * | 2014-07-23 | 2017-08-03 | ケイワイビー ヨーロッパ ヘッドクォーターズ ゲーエムベーハーKYB EUROPE HEADQUARTERS,GmBH | 流体圧装置の可変負荷制御システム |
US20190154103A1 (en) * | 2016-04-08 | 2019-05-23 | Psa Automobiles S.A. | Hydraulic Shock Absorber Equipped With A leading Stop Having An Adjustable Braking Rule |
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ES2832888B2 (es) | 2022-04-07 |
EP4075014A1 (en) | 2022-10-19 |
JP7336598B2 (ja) | 2023-08-31 |
US20210180662A1 (en) | 2021-06-17 |
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CN114761701B (zh) | 2024-05-03 |
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EP4075014A4 (en) | 2023-02-22 |
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US11592073B2 (en) | 2023-02-28 |
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