JP5658021B2 - 極低温冷却を利用する改良された減衰装置 - Google Patents
極低温冷却を利用する改良された減衰装置 Download PDFInfo
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- JP5658021B2 JP5658021B2 JP2010281958A JP2010281958A JP5658021B2 JP 5658021 B2 JP5658021 B2 JP 5658021B2 JP 2010281958 A JP2010281958 A JP 2010281958A JP 2010281958 A JP2010281958 A JP 2010281958A JP 5658021 B2 JP5658021 B2 JP 5658021B2
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- conductive member
- cryogenic fluid
- channel
- damping device
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- 238000013016 damping Methods 0.000 title claims description 75
- 238000001816 cooling Methods 0.000 title description 8
- 239000012530 fluid Substances 0.000 claims description 155
- 239000004020 conductor Substances 0.000 claims description 15
- 238000007599 discharging Methods 0.000 claims description 5
- 239000002826 coolant Substances 0.000 description 10
- 238000012546 transfer Methods 0.000 description 6
- 230000004044 response Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 239000000696 magnetic material Substances 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 229910052709 silver Inorganic materials 0.000 description 3
- 239000004332 silver Substances 0.000 description 3
- 125000006850 spacer group Chemical group 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910052761 rare earth metal Inorganic materials 0.000 description 2
- 150000002910 rare earth metals Chemical class 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000013270 controlled release Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000001393 microlithography Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052754 neon Inorganic materials 0.000 description 1
- GKAOGPIIYCISHV-UHFFFAOYSA-N neon atom Chemical compound [Ne] GKAOGPIIYCISHV-UHFFFAOYSA-N 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 229910001925 ruthenium oxide Inorganic materials 0.000 description 1
- WOCIAKWEIIZHES-UHFFFAOYSA-N ruthenium(iv) oxide Chemical compound O=[Ru]=O WOCIAKWEIIZHES-UHFFFAOYSA-N 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Images
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
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/03—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using magnetic or electromagnetic means
- F16F15/035—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using magnetic or electromagnetic means by use of eddy or induced-current damping
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Electromagnetism (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
- Vibration Prevention Devices (AREA)
- Fluid-Damping Devices (AREA)
Description
前述したように、液体の形態をなした極低温流体を選定するとともに、極低温流体が熱を吸収して沸騰する際に圧力の解放を可能とするようにチャネル208が完全には閉鎖されていないようにするのが望ましいことがある。そのため、チャネル208は、極低温気体を外部環境に排出するための幾つかの排出手段を含んでいてもよい。
減衰装置100に関して前述したように、減衰装置200は、ポンプデバイス、温度センサ(1つまたは複数)、および/または極低温流体の流量を変動させる流量変動手段を具備していてもよい。
Claims (21)
- 減衰装置であって、
少なくとも1つの磁石、
前記磁石に対して移動可能な導電性部材、
極低温流体、および
前記極低温流体を前記導電性部材に接触させて収容するチャネルを具備しており、
前記チャネルが前記導電性部材の1または2以上の中空部分によって少なくとも部分的に形成される、減衰装置。 - 前記導電性部材は、前記極低温流体との接触によって該導電性部材の温度が低下したときに該導電性部材の導電性が増大するように選定された導電性材料を含む、請求項1に記載の減衰装置。
- 前記チャネルは、前記極低温流体が前記導電性部材の表面の大部分と接触するように前記極低温流体を収容する、請求項1または2に記載の減衰装置。
- 前記チャネルは、前記極低温流体が前記導電性部材の面全体と接触するように前記極低温流体を収容する、請求項3に記載の減衰装置。
- 前記チャネルは閉鎖されたチャネルであり、前記極低温流体が前記閉鎖されたチャネル内を循環する、請求項1から4のいずれか1項に記載の減衰装置。
- 前記閉鎖されたチャネルが前記極低温流体を排出する排出部を備えた、請求項5に記載の減衰装置。
- 前記極低温流体を前記チャネルに通して循環させるように構成されたポンプをさらに具備する、請求項5または6に記載の減衰装置。
- 前記導電性部材の温度を検出する温度センサ、および
前記ポンプによって循環される前記極低温流体の流量を変動させる流量変動手段をさらに具備し、
前記ポンプによって循環される前記極低温流体の流量が前記導電性部材の温度に基づいて制御される、請求項7に記載の減衰装置。 - 循環される極低温流体を回収するマニホルドをさらに具備する、請求項5から8のいずれか1項に記載の減衰装置。
- 前記チャネルが開放チャネルであり、前記極低温流体が前記チャネルを通って流れた後に前記極低温流体が当該減衰装置から放出される、請求項1から4のいずれか1項に記載の減衰装置。
- 前記極低温流体を保持するとともに前記極低温流体を前記開放チャネルに放出する加圧式流体容器をさらに具備する、請求項10に記載の減衰装置。
- 当該減衰装置がさらにハウジングを具備し、前記チャネルが前記ハウジングおよび前記導電性部材によって少なくとも部分的に形成される、請求項1から11のいずれか1項に記載の減衰装置。
- 前記チャネルが前記磁石および前記導電性部材によって少なくとも部分的に形成される、請求項1に記載の減衰装置。
- 前記チャネルは、前記導電性部材の前記1または2以上の中空部分の内部にその全体が形成される、請求項1に記載の減衰装置。
- 前記チャネルは、前記極低温流体が前記導電性部材の内表面および外表面と接触するように前記極低温流体を収容する、請求項1に記載の減衰装置。
- 前記チャネルは、前記少なくとも1つの磁石と隣接する前記導電性部材の領域において前記極低温流体が前記導電性部材と接触するように前記極低温流体を収容する、請求項1に記載の減衰装置。
- 前記チャネルを形成する前記1または2以上の中空部分が、前記少なくとも1つの磁石の縁部に隣接する前記導電性部材の部分には配置されていないようにした、請求項1に記載の減衰装置。
- 前記極低温流体が前記チャネルを通って流れるように構成されており、
前記導電性部材の温度を検出する温度センサ、および
前記チャネルを通る前記極低温流体の流量を変動させる流量変動手段をさらに具備し、
前記極低温流体の流量が前記導電性部材の温度に基づいて制御される、請求項1から6のいずれか1項に記載の減衰装置。 - 減衰装置であって、
少なくとも1つの磁石、
前記磁石に対して移動可能な導電性部材、および
極低温流体を前記導電性部材に接触させて収容するよう形成されたチャネルを具備しており、
前記チャネルが前記導電性部材の1または2以上の中空部分によって少なくとも部分的に形成される、減衰装置。 - 前記極低温流体を前記チャネルに通して循環させるように構成されたポンプをさらに具備する、請求項19に記載の減衰装置。
- 前記導電性部材の温度を検出する温度センサ、および
前記チャネルを通る前記極低温流体の流量を変動させる流量変動手段をさらに具備し、
前記極低温流体の流量が前記導電性部材の温度に基づいて制御される、請求項19または20に記載の減衰装置。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/640,394 US20110147146A1 (en) | 2009-12-17 | 2009-12-17 | Enhanced damping using cryogenic cooling |
US12/640,394 | 2009-12-17 |
Publications (2)
Publication Number | Publication Date |
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JP2011127764A JP2011127764A (ja) | 2011-06-30 |
JP5658021B2 true JP5658021B2 (ja) | 2015-01-21 |
Family
ID=43755125
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Application Number | Title | Priority Date | Filing Date |
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JP2010281958A Expired - Fee Related JP5658021B2 (ja) | 2009-12-17 | 2010-12-17 | 極低温冷却を利用する改良された減衰装置 |
Country Status (3)
Country | Link |
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US (2) | US20110147146A1 (ja) |
EP (1) | EP2336596A3 (ja) |
JP (1) | JP5658021B2 (ja) |
Families Citing this family (5)
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US9958519B2 (en) * | 2011-12-22 | 2018-05-01 | General Electric Company | Thermosiphon cooling for a magnet imaging system |
WO2014138118A1 (en) | 2013-03-07 | 2014-09-12 | Peddle Charles I | High speed flash controllers |
US9470288B2 (en) | 2013-09-15 | 2016-10-18 | Valmont Industries, Inc. | Vibration mitigation device |
CN104295658B (zh) * | 2014-09-30 | 2016-03-30 | 中国科学院测量与地球物理研究所 | 一种基于静电负刚度的低频隔振系统及隔振方法 |
CN106286667B (zh) * | 2016-10-28 | 2018-03-20 | 河海大学 | 带轴承的电磁阻尼器 |
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-
2009
- 2009-12-17 US US12/640,394 patent/US20110147146A1/en not_active Abandoned
-
2010
- 2010-12-16 EP EP10195290A patent/EP2336596A3/en not_active Withdrawn
- 2010-12-17 JP JP2010281958A patent/JP5658021B2/ja not_active Expired - Fee Related
-
2012
- 2012-01-20 US US13/354,737 patent/US8584816B2/en active Active
Also Published As
Publication number | Publication date |
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US20110147146A1 (en) | 2011-06-23 |
EP2336596A3 (en) | 2012-12-26 |
JP2011127764A (ja) | 2011-06-30 |
US20120118687A1 (en) | 2012-05-17 |
US8584816B2 (en) | 2013-11-19 |
EP2336596A2 (en) | 2011-06-22 |
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