JP2008137003A - 流体内の粒子を処理する装置及びらせん形分離装置を形成する方法 - Google Patents
流体内の粒子を処理する装置及びらせん形分離装置を形成する方法 Download PDFInfo
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- B01D21/26—Separation of sediment aided by centrifugal force or centripetal force
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- B01L3/502761—Containers for the purpose of retaining a material to be analysed, e.g. test tubes with fluid transport, e.g. in multi-compartment structures by integrated microfluidic structures, i.e. dimensions of channels and chambers are such that surface tension forces are important, e.g. lab-on-a-chip specially adapted for handling suspended solids or molecules independently from the bulk fluid flow, e.g. for trapping or sorting beads, for physically stretching molecules
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- B01L3/50—Containers for the purpose of retaining a material to be analysed, e.g. test tubes
- B01L3/502—Containers for the purpose of retaining a material to be analysed, e.g. test tubes with fluid transport, e.g. in multi-compartment structures
- B01L3/5027—Containers for the purpose of retaining a material to be analysed, e.g. test tubes with fluid transport, e.g. in multi-compartment structures by integrated microfluidic structures, i.e. dimensions of channels and chambers are such that surface tension forces are important, e.g. lab-on-a-chip
- B01L3/502769—Containers for the purpose of retaining a material to be analysed, e.g. test tubes with fluid transport, e.g. in multi-compartment structures by integrated microfluidic structures, i.e. dimensions of channels and chambers are such that surface tension forces are important, e.g. lab-on-a-chip characterised by multiphase flow arrangements
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- B03B5/30—Washing granular, powdered or lumpy materials; Wet separating by sink-float separation using heavy liquids or suspensions
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Abstract
【解決手段】本発明の装置(20)は、粒子を含む流体を受け入れるように作動する流入口と、流体が流れるように作動するらせん構造のチャネル(22)と、流体内の粒子を分離する手段(24、26)と、流体用の少なくとも1つの流出口とを備える。前記チャネルは、幅、高さ、及び曲率半径を有することができる。また、前記粒子は、前記幅、前記高さ、前記曲率半径、流体速度、及び流体粘度のうちの少なくとも1つに基づいて分離されることができる。
【選択図】図3
Description
ヤン(Yang) S.、チャン(Zhan) J.、「流れ制御を用いたマイクロ流体チャネルにおける粒子分離(Particle Separation in Microfluidic Channels Using Flow Control)」、IMECE'04会報 タカギ(Takagi) J.、ヤマダ(Yamada) M.、ヤスダ(Yasuda) M.、セキ(Seki) M.、「複数の分岐部が非対称的に配列されたマイクロチャネルにおける連続粒子分離(Continuous particle separation in a microchannel having asymmetrically arranged multiple branches)」、ラボオンチップ2005(Lab on a chip 2005) チャン(Zhang) X.、クーパー(Cooper) J.、モナハン(Monaghan) P.、ハスウェル(Haswell) S.、「非対称的マイクロ流体装置内における粒子の連続流分離(Continuous flow separation of particle within an asymmetric microfluidic device)」、ラボオンチップ2006(Lab on a chip 2006) ナラヤナン(Narayanan) N.、サルダニャ(Saldanha) A.、ゲイル(Gale) B.、「微細加工電気SPLITTシステム(A microfabricated electrical SPLITT system)」、ラボオンチップ2005(Lab on a chip 2005) カピシュニコフ(Kapishnikov) S.、カンツラー(Kantsler) V.、シュタインベルク(Steinberg) V.、「マイクロチャネルにおいて超音波を用いる連続粒径分離及び分類(Continuous particle size separation and size sorting using ultrasound in a microchannel)」、統計力学ジャーナル(J. Stat. Mech.)、2006年、P01012 ブレンナー(Brenner) T.、「回転円盤上における医療診断のためのポリマー加工及びマイクロ流体単位操作(Polymer Fabrication and Microfluidic Unit Operations for Medical Diagnostics on a Rotating Disk)」、フライブルグ(Frieburg)大学のインスチチュートオブマイクロシステム(Institute of Microsystems)における論文、2005年12月 オオカワラ(Ookawara) S.、ヒガシ(Higashi) R.、ストリート(Street) D.、オガワ(Ogawa) K.、「スラリーの選別器に関する実現可能性調査及びマイクロチャネルによる含有粒子の分類(Feasibility Study on Concentrator of Slurry and Classification of Contained Particles by Micro-Channel)」、化学工学ジャーナル(Chem. Eng. J.)、2004年、v.101、171-178
V=流速
p=圧力
Fcf=粒子に作用する遠心力
FΔp=圧力差による力
Fvd=粘性抵抗による力
R=チャネルの曲率半径
η=流体の動的粘度
m=粒子の質量
r=球形だと仮定される粒子の半径
ρ=流体の密度
である。
12 粒子
20、120、150、170 分離装置
156、172 流入口
162、174、310 流出口
Claims (4)
- 粒子を含む流体を受け入れるように作動する流入口と、
流体が流れるように作動するらせん構造のチャネルと、
流体内の粒子を分離する手段と、
流体用の少なくとも1つの流出口と、
を備える、流体内の粒子を処理する装置。 - 前記チャネルが、幅、高さ、及び曲率半径を有する、請求項1に記載の装置。
- 前記粒子が、前記幅、前記高さ、前記曲率半径、流体速度、及び流体粘度のうちの少なくとも1つに基づいて分離される、請求項2に記載の装置。
- 少なくとも1つのチャネルが形成された基板を形成し、
前記基板の第1端部に第1構造を設け、
前記基板の第2端部に、流出口として作動する第2構造を設け、
前記第1構造の周囲に前記基板を巻く、
らせん形分離装置を形成する方法。
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JP2011288614A Pending JP2012071309A (ja) | 2006-11-30 | 2011-12-28 | 流体内の粒子を処理する装置及び方法、らせん形分離装置を形成する方法 |
JP2013258678A Expired - Fee Related JP5878513B2 (ja) | 2006-11-30 | 2013-12-13 | 流体内の粒子を処理する装置及び方法、らせん形分離装置を形成する方法 |
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2006
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2007
- 2007-11-20 EP EP20110167999 patent/EP2378266B1/en not_active Not-in-force
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- 2007-11-20 EP EP11167998.1A patent/EP2381238B1/en not_active Not-in-force
- 2007-11-20 EP EP20110168002 patent/EP2378268B1/en not_active Not-in-force
- 2007-11-20 EP EP20110168003 patent/EP2378269B1/en not_active Not-in-force
- 2007-11-20 EP EP20070121069 patent/EP1942329B1/en not_active Not-in-force
- 2007-11-27 JP JP2007305847A patent/JP2008137003A/ja active Pending
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Also Published As
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JP5878513B2 (ja) | 2016-03-08 |
JP2012071309A (ja) | 2012-04-12 |
JP2014054635A (ja) | 2014-03-27 |
EP2381238A1 (en) | 2011-10-26 |
EP2378269A1 (en) | 2011-10-19 |
EP2378268A1 (en) | 2011-10-19 |
EP2378266B1 (en) | 2013-03-27 |
EP2381238B1 (en) | 2016-08-24 |
EP2378266A1 (en) | 2011-10-19 |
EP2378267A1 (en) | 2011-10-19 |
EP2378268B1 (en) | 2013-06-05 |
EP2378269B1 (en) | 2014-10-15 |
US20080128331A1 (en) | 2008-06-05 |
EP1942329B1 (en) | 2015-01-14 |
EP1942329A2 (en) | 2008-07-09 |
EP1942329A3 (en) | 2008-10-29 |
US9433880B2 (en) | 2016-09-06 |
EP2378267B1 (en) | 2016-01-27 |
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