JP4713594B2 - 閉ループ調節を備える小型流量制御装置 - Google Patents
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Description
Claims (10)
- 制御された流動流を非精密圧力源から供給する方法であって、
非精密圧力源(44)を使用して圧力を圧力室(46a、46b、46c)に供給し、前記圧力室中の前記圧力が前記流動流(50)に速度を与えるステップと、
前記流動流の前記速度を感知するステップと、
前記流動流の前記速度を制御するために、前記流動流(50)の前記感知された速度に応答して、前記圧力室(46a、46b、46c)の中の前記圧力を調整するステップと、を含み、
前記圧力室(46a)が弁(74)により分離される少なくとも第1の圧力室(70)及び第2の圧力室(72)を含み、
前記圧力を圧力室(46a、46b、46c)に供給するステップが、圧力を前記非精密圧力源(44)から前記第1の圧力室(70)へ所定の圧力に達するまで供給するステップと、次に前記弁(74)を開き圧力を前記第2の圧力室(72)へ供給するステップと、を含むことを特徴とする方法。 - 前記非精密圧力源(44)はポンプを含む、請求項1に記載の方法。
- 前記流動流(50)の前記速度を前記感知するステップ及び前記圧力室(46a、46b、46c)中の前記圧力を調整するステップは、制御された速度を前記流動流に与えるために閉ループ態様で動作させられる、請求項1に記載の方法。
- 前記圧力室(46a、46b、46c)は流体カートリッジ(14)の一部であり、
前記流動流(50)の前記速度を前記感知するステップは、1つ又は複数の流動感知器(80、100、102)を使用して実行され、前記流動感知器の1つ又は複数が、流体カートリッジ(14)に存在する、請求項1に記載の方法。 - 制御された流動流を流体カートリッジの流動流路中に供給する方法であって、
前記流体カートリッジ(14)の前記流動流路(530)中の前記流動流(50)に圧力を供給し、前記流動流の流体速度をもたらすステップと、
前記流動流の前記流体速度を感知するステップと、
前記流動流の制御された流体速度を与えるために、前記流動流の前記感知された流体速度に応答して、前記流動流に供給される前記圧力を閉ループ態様で調整するステップと、を含み、
前記流動流(50)に圧力を供給するステップが、弁(74)により分離される少なくとも第1の圧力室(70)及び第2の圧力室(72)を含む圧力室(46a)に圧力を供給するステップを含み、前記圧力が、前記第1の圧力室(70)へ所定の圧力に達するまで供給され、
次に前記弁(74)を開き圧力を前記第2の圧力室(72)へ供給するステップを含む方法。 - 前記流体カートリッジ(14)は、少なくとも一部が流動細胞計測法を実行するために使用される、請求項5に記載の方法。
- 前記流体速度を前記感知するステップは、1つ又は複数の流動感知器(80、100、102)を使用して実行され、前記流動感知器の前記1つ又は複数は、前記流体カートリッジ(14)に存在する、請求項5に記載の方法。
- 流動細胞計測器用の流動駆動システムであって、
流体を通す流動流路(530)と、
前記流動流路中の前記流体に圧力を供給する圧力供給ブロック(46a、46b、46c)と、
前記流動流路中の前記流体の速度を感知するために、前記流動流路に流体連通している流動感知器(80、100、102)と、
前記圧力供給ブロック及び前記流動感知器に結合された制御装置(40)であって、前記流動流路中の前記流体の制御された又は相対的に制御された速度を実現するために、前記流動感知器からの、前記流動流路(530)中の前記流体の感知された速度に応答して、前記圧力供給ブロックに、前記流動流路中の前記流体に供給された前記圧力を調整させる前記制御装置と、を備え、
前記圧力供給ブロック(46a)が、弁(74)により分離される第1の圧力室(70)及び第2の圧力室(72)を含み、所定の圧力に達するまで前記第1の圧力室(70)へ圧力が供給され、次に前記弁(74)が開き前記第2の圧力室(72)へ圧力を供給するように構成される流体駆動システム。 - 前記圧力供給ブロック(46a、46b、46c)は、少なくとも1つの静電駆動式構成要素を含む、請求項8に記載の流体駆動システム。
- 第1の流体を通す第1の流動流路と、
第2の流体を通す第2の流動流路と、
前記第1の流動流路中の前記第1の流体と前記第2の流動流路中の前記第2の流体とに別個の圧力を供給する圧力供給ブロック(46a、46b)と、
前記第1の流動流路中の前記第1の流体の速度を感知するために、前記第1の流動流路に流体連通している第1の流動感知器(80)と、
前記第2の流動流路中の前記第2の流体の速度を感知するために、前記第2の流動流路に流体連通している第2の流動感知器(100)と、
前記圧力供給ブロックと前記第1及び第2の流動感知器とに結合された制御装置(40)と、を備え、
前記圧力供給ブロック(46a、46b)が、前記第1の流動流路に圧力を供給するため、弁(74)により分離される少なくとも第1の圧力室(70)及び第2の圧力室(72)を含み、所定の圧力に達するまで前記第1の圧力室(70)へ圧力が供給され、次に前記弁(74)が開き前記第2の圧力室(72)へ圧力を供給するように構成され、
前記制御装置(40)は、前記第1の流動流路中の前記第1の流体の制御された又は相対的に制御された速度を実現するために、前記第1の流動感知器からの、前記第1の流動流路中の前記第1の流体の感知された速度に応答して、前記圧力供給ブロックに、前記第1の流動流路中の前記第1の流体に供給された前記圧力を調整させ、かつ前記第2の流動流路中の前記第2の流体の制御された又は相対的に制御された速度を実現するために、前記第2の流動感知器からの、前記第2の流動流路中の前記第2の流体の感知された速度に応答して、前記圧力供給ブロック(46a、46b)に、前記第2の流動流路中の前記第2の流体に供給された前記圧力を調整させる、流体駆動システム。
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Application Number | Priority Date | Filing Date | Title |
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US11/017,357 | 2004-12-20 | ||
US11/017,357 US7061595B2 (en) | 2000-08-02 | 2004-12-20 | Miniaturized flow controller with closed loop regulation |
PCT/US2005/044992 WO2006101550A1 (en) | 2004-12-20 | 2005-12-13 | Miniaturized flow controller using closed loop regulation |
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JP2008524626A JP2008524626A (ja) | 2008-07-10 |
JP4713594B2 true JP4713594B2 (ja) | 2011-06-29 |
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US (1) | US7061595B2 (ja) |
EP (2) | EP2829941B1 (ja) |
JP (1) | JP4713594B2 (ja) |
CN (1) | CN101116044B (ja) |
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- 2005-12-13 EP EP14185056.0A patent/EP2829941B1/en not_active Expired - Fee Related
- 2005-12-13 JP JP2007548284A patent/JP4713594B2/ja active Active
- 2005-12-13 EP EP05853819.0A patent/EP1828863B1/en not_active Expired - Fee Related
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Also Published As
Publication number | Publication date |
---|---|
CN101116044B (zh) | 2012-08-08 |
EP2829941B1 (en) | 2018-08-15 |
EP1828863A1 (en) | 2007-09-05 |
EP1828863B1 (en) | 2017-06-28 |
CN101116044A (zh) | 2008-01-30 |
WO2006101550A1 (en) | 2006-09-28 |
US7061595B2 (en) | 2006-06-13 |
US20050106739A1 (en) | 2005-05-19 |
EP2829941A1 (en) | 2015-01-28 |
JP2008524626A (ja) | 2008-07-10 |
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