KR100427563B1 - 병렬분류형 유체공급장치와, 이것에 사용하는 유체가변형압력식 유량제어방법 및 유체가변형 압력식 유량제어장치 - Google Patents
병렬분류형 유체공급장치와, 이것에 사용하는 유체가변형압력식 유량제어방법 및 유체가변형 압력식 유량제어장치 Download PDFInfo
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- G05D7/00—Control of flow
- G05D7/06—Control of flow characterised by the use of electric means
- G05D7/0617—Control of flow characterised by the use of electric means specially adapted for fluid materials
- G05D7/0629—Control of flow characterised by the use of electric means specially adapted for fluid materials characterised by the type of regulator means
- G05D7/0635—Control of flow characterised by the use of electric means specially adapted for fluid materials characterised by the type of regulator means by action on throttling means
- G05D7/0641—Control of flow characterised by the use of electric means specially adapted for fluid materials characterised by the type of regulator means by action on throttling means using a plurality of throttling means
- G05D7/0658—Control of flow characterised by the use of electric means specially adapted for fluid materials characterised by the type of regulator means by action on throttling means using a plurality of throttling means the plurality of throttling means being arranged for the control of a single flow from a plurality of converging flows
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- G05D7/0641—Control of flow characterised by the use of electric means specially adapted for fluid materials characterised by the type of regulator means by action on throttling means using a plurality of throttling means
- G05D7/0664—Control of flow characterised by the use of electric means specially adapted for fluid materials characterised by the type of regulator means by action on throttling means using a plurality of throttling means the plurality of throttling means being arranged for the control of a plurality of diverging flows from a single flow
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
Description
Claims (6)
- 유체의 압력을 조정하는 레귤레이터(RG)와,상기 레귤레이터(RG)로부터 송출되는 유체를 병렬적으로 분류시키고 각각 독립한 반응실(C)로 유체를 공급하는 복수개의 유로(S1, S2)와,상기 각 유로에 설치되고 유체의 유입으로부터 설정유량값(Qs)에 도달하기까지의 지연시간(Δt)을 조정하기 위한 시간지연부(DT)를 구비한 유량제어용의 열량이동식 시간지연형 매스플로 컨트롤러(DMFC1, DMFC2)와,상기 각 매스플로 컨트롤러의 유체입구측과 유체출구측에 설치된 밸브 (V1, V2, V3, V4)로 구성되고,복수개의 유로 중의 일부가 반응실(C)에 유체를 공급하고 있을 때에, 나머지 어느 유로의 매스플로 컨트롤러를 작동시켜 그 유로를 유체의 폐쇄상태로부터 설정유량의 유통상태로 유량제어하는 경우에는, 상기 매스플로 컨트롤러가 동작개시점으로부터 설정유량값(Qs)에 도달하기까지 0.5 ~ 7.5초의 지연시간(Δt)을 갖도록 설정한 것을 특징으로 하는 병렬분류형 유체공급장치.
- 삭제
- 삭제
- 오리피스의 상류측 압력(P1)을 하류측 압력(P2)의 약 2배 이상으로 유지한 상태에서 오리피스를 통과하는 가스의 연산유량(Qc)을 Qc=KP1(K는 정수)로서 연산하는 유량제어방법에 있어서, 가스종류 마다 플로팩터(FF)를FF=(k/νS){2/(κ+1)}1/(κ-1)[κ/{(κ+1)R}]1/2νS:가스의 표준상태에서의 밀도κ : 가스의 비열비R : 가스정수k : 가스종류에 의존하지 않는 비례정수에 의해 계산하는 단계;초기설정되어 있는, 종류 A의 가스의 유량을 Qc=KP1에 의해 연산하고 연산된 유량을 QA라 하는 단계; 및동일 오리피스, 동일 상류측 압력 및 동일 상류측 온도의 조건하에서, 종류 B의 가스를 유통시키는 경우, 상기 종류 B의 가스의 유량을 설정하고, 그 연산유량(QB)을QB= (FFB/FFA)QAFFA: 가스종류 A의 플로팩터FFB: 가스종류 B의 플로팩터로서 연산하고, 상기 설정된 유량과 연산유량(QB)이 동일하게 되도록 조정하는 단계를 포함하는 것을 특징으로 하는 플로팩터에 의한 유체가변형 압력식 유량제어방법.
- 컨트롤밸브(2), 오리피스(8), 이들 사이에서 오리피스의 상류측 압력(P1)을 검출하는 압력검출기(6), 유량설정회로(16), 및 오리피스의 상류측 압력(P1)을 하류측 압력(P2)의 약 2배이상으로 유지한 상태에서 오리피스를 통과하는 가스의 연산유량(Qc)을 Qc = KP1(K : 정수)로 연산하는 연산회로(32)를 포함하고, 상기 연산유량 (Qc)과 설정유량(Qs)의 차이신호에 의해 상기 컨트롤밸브를 개폐제어하는 압력식 유량제어장치로서, 가스종류 마다 플로팩터(FF)를FF=(k/νS){2/(κ+1)}1/(κ-1)[κ/{(κ+1)R}]1/2νS:가스의 표준상태에서의 밀도κ : 가스의 비열비R : 가스정수k : 가스종류에 의존하지 않는 비례정수에 의해 계산하고, 가스종류 B의 가스종류 A에 대한 비플로팩터(FFB/FFA)를 기억하는 기억부를 설치하고,초기설정되어 있는 종류 A의 가스의 연산유량이 QA인 경우에, 동일 오리피스, 동일 상류측 압력 및 동일 상류측 온도의 조건하에서 종류 B의 가스를 유통시켰을 때, 그 연산유량(QB)을QB= (FFB/FFA)QA로서 연산하는 유량연산부(18)를 설치하고,상기 종류 B의 가스에 대하여, 상기 유량설정회로(16)에서 설정된 유량과 상기 연산유량(QB)이 동일하게 되도록 상기 컨트롤밸브를 개폐조정하는 것을 특징으로 하는 플로팩터에 의한 유체가변형 압력식 유량제어장치.
- 유체의 압력을 조정하는 레귤레이터(RG)와, 상기 레귤레이터(RG)로부터 송출되는 유체를 병렬적으로 분류시키는 복수개의 유로(S1, S2)와, 각 유로에 설치된 압력식 유량제어장치(FCS1, FCS2)로 구성되고, 상기 압력식 유량제어장치는 오리피스 (OR)와, 그 상류측에 설치된 컨트롤밸브(CV)와, 상기 오리피스와 컨트롤밸브의 사이에 설치한 압력검출기와, 상기 오리피스의 상류측 압력(P1)을 하류측 압력(P2)의 2배 이상으로 설정하면서 상기 압력검출기의 검출압력(P1)에서 유량을 Qc=KP1(단, K는 정수)로서 연산하고, 이 연산유량(Qc)과 설정유량(Qs)의 차를 제어신호 (Qy)로서 컨트롤밸브(CV)의 구동부(DV)에 출력하는 연산제어회로(CCC)로 이루어지고, 컨트롤밸브를 개폐하여 오리피스의 하류측 유량을 제어하는 것을 특징으로 하는 병렬분류형 유체공급장치로서,어느 하나의 유로에 설치한 압력식 유량제어장치를 제 5 항에 기재된 유체가변형 압력식 유량제어장치로 하도록 한 것을 특징으로 하는 병렬분류형 유체공급장치.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
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JP99-108689 | 1999-04-16 | ||
JP10868999A JP3626874B2 (ja) | 1999-04-16 | 1999-04-16 | 並列分流型の流体供給装置 |
JP12910999A JP3387849B2 (ja) | 1999-05-10 | 1999-05-10 | フローファクターによる流体可変型流量制御方法およびその装置 |
JP99-129109 | 1999-05-10 |
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KR20010052885A KR20010052885A (ko) | 2001-06-25 |
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US (3) | US6422264B2 (ko) |
EP (2) | EP1096351A4 (ko) |
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TW (1) | TW445401B (ko) |
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KR101548399B1 (ko) | 2007-12-27 | 2015-08-28 | 램 리써치 코포레이션 | 복수의 가스의 가스 혼합물을 제공하는 장치, 복수의 믹싱 매니폴드 출구 밸브를 제어하는 방법 및 이를 구현하기 위한 머신 판독가능 저장 매체 |
KR20190002610A (ko) * | 2016-08-24 | 2019-01-08 | 가부시키가이샤 후지킨 | 압력식 유량 제어 장치, 그 유량 산출 방법 및 유량 제어 방법 |
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TWI344525B (en) * | 2003-01-17 | 2011-07-01 | Applied Materials Inc | Combination manual/pneumatics valve for fluid control assembly |
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US20020179149A1 (en) | 2002-12-05 |
US20010004903A1 (en) | 2001-06-28 |
TW445401B (en) | 2001-07-11 |
US6820632B2 (en) | 2004-11-23 |
US6848470B2 (en) | 2005-02-01 |
EP2028577A2 (en) | 2009-02-25 |
US20040154664A1 (en) | 2004-08-12 |
WO2000063756A1 (fr) | 2000-10-26 |
EP1096351A4 (en) | 2004-12-15 |
US6422264B2 (en) | 2002-07-23 |
KR20010052885A (ko) | 2001-06-25 |
EP1096351A1 (en) | 2001-05-02 |
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