TW200728693A - Flow measurement and control with bubble detection - Google Patents

Flow measurement and control with bubble detection

Info

Publication number
TW200728693A
TW200728693A TW095129519A TW95129519A TW200728693A TW 200728693 A TW200728693 A TW 200728693A TW 095129519 A TW095129519 A TW 095129519A TW 95129519 A TW95129519 A TW 95129519A TW 200728693 A TW200728693 A TW 200728693A
Authority
TW
Taiwan
Prior art keywords
bubble
flow
control
sensor
sensor conduit
Prior art date
Application number
TW095129519A
Other languages
English (en)
Inventor
Hao Duan
Aaron S Tint
Christophe Ellec
Original Assignee
Celerity Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Celerity Inc filed Critical Celerity Inc
Publication of TW200728693A publication Critical patent/TW200728693A/zh

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/66—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by measuring frequency, phase shift or propagation time of electromagnetic or other waves, e.g. using ultrasonic flowmeters
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/66—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by measuring frequency, phase shift or propagation time of electromagnetic or other waves, e.g. using ultrasonic flowmeters
    • G01F1/667—Arrangements of transducers for ultrasonic flowmeters; Circuits for operating ultrasonic flowmeters
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/74—Devices for measuring flow of a fluid or flow of a fluent solid material in suspension in another fluid
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F25/00—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F25/00—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume
    • G01F25/10—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume of flowmeters
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P5/00—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft
    • G01P5/24—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring the direct influence of the streaming fluid on the properties of a detecting acoustical wave
    • G01P5/245—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring the direct influence of the streaming fluid on the properties of a detecting acoustical wave by measuring transit time of acoustical waves
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P5/00—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft
    • G01P5/24—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring the direct influence of the streaming fluid on the properties of a detecting acoustical wave
    • G01P5/245—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring the direct influence of the streaming fluid on the properties of a detecting acoustical wave by measuring transit time of acoustical waves
    • G01P5/247—Sing-around-systems
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/02—Indexing codes associated with the analysed material
    • G01N2291/028—Material parameters
    • G01N2291/02836—Flow rate, liquid level
TW095129519A 2005-08-12 2006-08-11 Flow measurement and control with bubble detection TW200728693A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US70762805P 2005-08-12 2005-08-12

Publications (1)

Publication Number Publication Date
TW200728693A true TW200728693A (en) 2007-08-01

Family

ID=37757899

Family Applications (1)

Application Number Title Priority Date Filing Date
TW095129519A TW200728693A (en) 2005-08-12 2006-08-11 Flow measurement and control with bubble detection

Country Status (7)

Country Link
US (2) US20070191990A1 (zh)
EP (1) EP1913343A1 (zh)
JP (1) JP2009505079A (zh)
KR (1) KR101215169B1 (zh)
CN (1) CN101091105A (zh)
TW (1) TW200728693A (zh)
WO (1) WO2007022052A1 (zh)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI456192B (zh) * 2010-12-09 2014-10-11 Toshiba Kk 異物檢測裝置、異物檢測方法、液滴噴出裝置、及液滴噴出方法
TWI559107B (zh) * 2015-02-24 2016-11-21 東芝三菱電機產業系統股份有限公司 監視控制裝置
TWI580478B (zh) * 2012-04-26 2017-05-01 Tokyo Electron Ltd Liquid treatment device, liquid treatment method and memory medium
US9897982B2 (en) 2014-07-01 2018-02-20 Azbil Corporation PID controller and data collecting method

Families Citing this family (59)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4615531B2 (ja) * 2007-03-06 2011-01-19 東京計装株式会社 超音波流量計
WO2008147408A1 (en) * 2007-05-25 2008-12-04 Micro Motion, Inc. Vibratory flow meter and method for correcting for entrained gas in a flow material
US7693606B2 (en) * 2007-12-21 2010-04-06 Rosemount Inc. Diagnostics for mass flow control
JP5315360B2 (ja) * 2008-02-11 2013-10-16 マイクロ モーション インコーポレイテッド 振動式流れデバイスに生じるプロセス外乱を検出するためのシステム、方法およびコンピュータプログラム製品
DE102008016296A1 (de) * 2008-03-28 2009-10-01 Endress + Hauser Process Solutions Ag Verfahren zum Bestimmen einer Menge eines strömenden Mediums
BRPI0822593B8 (pt) * 2008-04-17 2023-03-14 Daniel Measurement & Control Inc Método para detectar, de modo audível, uma mudança de estado de fluxo de fluido e corrigir uma medição de um medidor de fluxo em uma tubulação de medidor de fluxo, e, sistema para melhorar a precisão de um medidor de fluxo
ES2332495B1 (es) * 2008-08-04 2010-11-26 Enrique Manzano Canillas Proteccion contra fugas en redes de agua.
US20130269416A1 (en) * 2008-12-04 2013-10-17 Therox, Inc. Method and device for combined measurement of bubbles and flow rate in a system for enriching a bodily fluid with a gas
US20100143190A1 (en) * 2008-12-04 2010-06-10 Therox, Inc. System for enriching a bodily fluid with a gas having occlusion detection capabilities
US20100143192A1 (en) * 2008-12-04 2010-06-10 Therox, Inc. Method and device for combined detection of bubbles and flow rate in a system for enriching a bodily fluid with a gas
US8246564B2 (en) * 2008-12-04 2012-08-21 Therox, Inc. System for enriching a bodily fluid with a gas having automated priming capabilities
US8192384B2 (en) * 2008-12-04 2012-06-05 Therox, Inc. System for enriching a bodily fluid with a gas having a dual-function power switch mechanism
US8636952B2 (en) * 2008-12-04 2014-01-28 Therox, Inc. System for enriching a bodily fluid with a gas having a removable gas-enrichment device with an information recording element
US20110166714A1 (en) * 2010-01-04 2011-07-07 Stachnik Michael S Systems and methods for monitoring and controlling water flow of premises
TWI537509B (zh) 2010-06-15 2016-06-11 拜歐菲樂Ｉｐ有限責任公司 從導熱金屬導管提取熱能的方法、裝置和系統
US8700221B2 (en) * 2010-12-30 2014-04-15 Fluid Handling Llc Method and apparatus for pump control using varying equivalent system characteristic curve, AKA an adaptive control curve
JP2012189401A (ja) * 2011-03-09 2012-10-04 Tokyo Electron Ltd 処理液用流量計
CN102322899B (zh) * 2011-09-07 2012-09-05 中国船舶重工集团公司第七○四研究所 光电式气体微流量气泡流量计
TWI575062B (zh) 2011-12-16 2017-03-21 拜歐菲樂Ｉｐ有限責任公司 低溫注射組成物，用於低溫調節導管中流量之系統及方法
WO2013090907A1 (en) 2011-12-16 2013-06-20 Fluid Handling Llc Dynamic linear control methods and apparatus for variable speed pump control
JP5864766B2 (ja) * 2012-09-11 2016-02-17 テルモ株式会社 信号処理装置、医療装置及び信号処理方法
EP2717026A3 (en) * 2012-10-04 2016-03-16 Sonotec Ultraschallsensorik Halle GmbH Method of and apparatus for determining a flow rate of a fluid and detecting gas bubbles or particles in the fluid
US9454158B2 (en) 2013-03-15 2016-09-27 Bhushan Somani Real time diagnostics for flow controller systems and methods
DE102013013927A1 (de) * 2013-08-21 2015-02-26 Acam-Messelectronic Gmbh Verfahren und Vorrichtung zum Messen der Fließgeschwindigkeit einer Flüssigkeit mittels Ultraschall
US9297684B2 (en) * 2013-09-03 2016-03-29 Hadronex, Inc. Estimating flow rates of a liquid in a conduit
US9605789B2 (en) 2013-09-13 2017-03-28 Biofilm Ip, Llc Magneto-cryogenic valves, systems and methods for modulating flow in a conduit
DE102013113904A1 (de) * 2013-12-12 2015-06-18 Pfeiffer Vacuum Gmbh Pumpe
US9665155B2 (en) * 2013-12-28 2017-05-30 Intel Corporation Techniques for increasing energy efficiency of sensor controllers that receive data from one or more sensors
US10788344B2 (en) 2014-11-04 2020-09-29 Schneider Electric Systems Usa, Inc. Vortex flowmeter including pressure pulsation amplitude analysis
US20160258904A1 (en) * 2015-03-04 2016-09-08 Bp Corporation North America Inc. Process Control
CN104950130B (zh) * 2015-07-10 2017-10-17 山东省纺织科学研究院 医用导管流速测定仪
US10161909B2 (en) * 2015-10-29 2018-12-25 Mustang Sampling Llc Steady state fluid flow verification for sample takeoff
WO2017078545A1 (en) * 2015-11-03 2017-05-11 David John Picton Ultrasonic flow meter for use in or near a valve assembly
WO2017156193A1 (en) * 2016-03-08 2017-09-14 Fresenius Medical Care Holdings, Inc. Methods and systems for detecting an occlusion in a blood circuit of a dialysis system
US20170328865A1 (en) * 2016-05-11 2017-11-16 General Electric Company System and method for fluid interface identification
WO2017201451A1 (en) * 2016-05-20 2017-11-23 Particle Measuring Systems, Inc. Automatic power control liquid particle counter with flow and bubble detection systems
EP3290875A1 (en) * 2016-08-29 2018-03-07 Apator Miitors ApS Utility flow meter with display mode controller
WO2018060426A1 (en) 2016-09-29 2018-04-05 Koninklijke Philips N.V. Medical device with a thermal mass flow sensor for bubble detection
US10983537B2 (en) 2017-02-27 2021-04-20 Flow Devices And Systems Inc. Systems and methods for flow sensor back pressure adjustment for mass flow controller
FR3063815B1 (fr) * 2017-03-10 2019-03-22 Sagemcom Energy & Telecom Sas Procede de mesure d’une vitesse d’un fluide
CN110637229B (zh) * 2017-03-15 2022-11-11 福瑞托-雷北美有限公司 定量测量液体质地的装置和方法
CN106990166A (zh) * 2017-04-05 2017-07-28 江苏大学 一种水力机械空化与气液两相流监测方法和装置
US10730736B1 (en) * 2017-06-26 2020-08-04 Kevin M. Candler Soap pop syrup sensor
CN108398170A (zh) * 2018-01-22 2018-08-14 杭州中沛电子有限公司 水表和量表检测装置的排气检测结构
CN108853622A (zh) * 2018-07-04 2018-11-23 广州医科大学附属第二医院 一种血液透析故障检测报警装置
US11644353B2 (en) * 2018-09-06 2023-05-09 The Coca-Cola Company Flow control module with a thermal mass flow meter
CN111412958A (zh) * 2019-01-08 2020-07-14 中国石油天然气股份有限公司 一种流量测量系统和方法
WO2020217750A1 (ja) * 2019-04-26 2020-10-29 株式会社日立ハイテク 自動分析装置
US11185994B2 (en) 2020-03-31 2021-11-30 Toyota Research Institute, Inc. Deformable sensors having multiple time-of-flight emitters
HUE060154T2 (hu) * 2020-04-03 2023-02-28 Focus On V O F Eljárás és berendezés kavitáció kimutatásához, folyadék szabályozóelemen történõ átáramlása során
CN112012299B (zh) * 2020-08-24 2022-03-11 浙江骊尔智能卫浴有限公司 一种云泡沫控制方法以及智能马桶
CN112284469B (zh) * 2020-10-20 2024-03-19 重庆智慧水务有限公司 一种超声波水表的零点漂移的处理方法
US11860042B2 (en) 2020-10-23 2024-01-02 Honeywell International Inc. Sensors, methods, and computer program products for air bubble detection
GB2605630A (en) 2021-04-08 2022-10-12 Plankton Analytics Ltd A flow cell and use thereof
WO2023148367A1 (de) * 2022-02-07 2023-08-10 Levitronix Gmbh Verfahren zum bestimmen des anteils einer dispersen gasphase in einem fluid
WO2024006682A1 (en) * 2022-06-28 2024-01-04 Zevex, Inc. Ultrasonic cavitation sensor
CN116006359B (zh) * 2023-03-28 2023-07-18 北京凌空天行科技有限责任公司 液体燃料储箱阀门控制方法、控制系统和气泡检测装置
CN116879390B (zh) * 2023-09-07 2023-12-08 北京普能世纪科技有限公司 液流电池气泡检测装置、检测方法、系统及存储介质
CN116879389B (zh) * 2023-09-07 2024-03-22 北京普能世纪科技有限公司 液流电池气泡检测装置、检测方法、系统及存储介质

Family Cites Families (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3961898A (en) * 1975-01-14 1976-06-08 The United States Of America As Represented By The Secretary Of The Army Comparator circuit for automatic analysis apparatus
SE7702300L (sv) * 1976-04-15 1977-10-16 Endo Lab Reduktionsforlopp
US4447191A (en) * 1981-12-15 1984-05-08 Baxter Travenol Laboratories, Inc. Control circuit for a blood fractionation apparatus
US4501531A (en) * 1981-12-15 1985-02-26 Baxter Travenol Laboratories, Inc. Control circuit for a blood fractionation apparatus
US4856339A (en) * 1986-11-17 1989-08-15 Centaur Sciences, Inc. Medical infusion pump with sensors
US4758228A (en) * 1986-11-17 1988-07-19 Centaur Sciences, Inc. Medical infusion pump with sensors
US4927411A (en) * 1987-05-01 1990-05-22 Abbott Laboratories Drive mechanism for disposable fluid infusion pumping cassette
US4821558A (en) * 1987-05-01 1989-04-18 Abbott Laboratories Ultrasonic detector
US5026348A (en) * 1988-06-06 1991-06-25 The General Hospital Corporation Apparatus and method for the detection of IV catheter obstruction and extravasation
US5092181A (en) * 1990-06-21 1992-03-03 The Board Of Trustees Of The University Of Arkansas Method and apparatus for measuring gas flow using bubble volume
EP0543172B1 (en) * 1991-10-23 1996-04-10 Terumo Kabushiki Kaisha Medical pump driving device
US5641892A (en) * 1995-06-07 1997-06-24 Deka Products Limited Partnership Intravenous-line air-detection system
WO1994004907A1 (en) * 1992-08-17 1994-03-03 Commonwealth Scientific And Industrial Research Organisation A method and apparatus for determining the particle size distribution, the solids content and the solute concentration of a suspension of solids in a solution bearing a solute
WO1994011054A1 (en) * 1992-11-09 1994-05-26 Sipin Anatole J Controlled fluid transfer system
US5355735A (en) * 1993-02-23 1994-10-18 Datrend Systems Inc. Apparatus for metering liquid flow
US5741962A (en) * 1996-04-05 1998-04-21 Halliburton Energy Services, Inc. Apparatus and method for analyzing a retrieving formation fluid utilizing acoustic measurements
US5868710A (en) * 1996-11-22 1999-02-09 Liebel Flarsheim Company Medical fluid injector
US6186951B1 (en) * 1998-05-26 2001-02-13 Riverside Research Institute Ultrasonic systems and methods for fluid perfusion and flow rate measurement
US6142008A (en) * 1998-06-12 2000-11-07 Abbott Laboratories Air bubble sensor
US6490916B1 (en) * 1998-06-15 2002-12-10 Schlumberger Technology Corporation Method and system of fluid analysis and control in a hydrocarbon well
US6128949A (en) * 1998-06-15 2000-10-10 Schlumberger Technology Corporation Phase change analysis in logging method
US6349740B1 (en) * 1999-04-08 2002-02-26 Abbott Laboratories Monolithic high performance miniature flow control unit
DE60139112D1 (de) * 2000-03-06 2009-08-13 Boston Scient Ltd Unter ultralschall sichtbare embolisierende substanzen
US6516675B1 (en) * 2002-01-15 2003-02-11 Taiwan Semiconductor Manufacturing Co., Ltd Bubble ultrasonic flow meter
JP2003270018A (ja) * 2002-03-15 2003-09-25 Gl Sciences Inc 微小流量の測定及び分配の方法と装置
JP4147583B2 (ja) 2003-04-25 2008-09-10 株式会社ジェイ・エム・エス 気泡検出装置
GB0322286D0 (en) * 2003-09-23 2003-10-22 Angiomed Gmbh & Co Implant with shape memory
US7338470B2 (en) * 2003-12-03 2008-03-04 Ethicon Endo-Surgery, Inc. Air-bubble-monitoring medication assembly, medical system and method
JP2005189003A (ja) * 2003-12-24 2005-07-14 Ueda Japan Radio Co Ltd 流量測定および気泡検出の可能な統合システム
US20060211981A1 (en) * 2004-12-27 2006-09-21 Integrated Sensing Systems, Inc. Medical treatment procedure and system in which bidirectional fluid flow is sensed

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI456192B (zh) * 2010-12-09 2014-10-11 Toshiba Kk 異物檢測裝置、異物檢測方法、液滴噴出裝置、及液滴噴出方法
TWI580478B (zh) * 2012-04-26 2017-05-01 Tokyo Electron Ltd Liquid treatment device, liquid treatment method and memory medium
US9897982B2 (en) 2014-07-01 2018-02-20 Azbil Corporation PID controller and data collecting method
TWI559107B (zh) * 2015-02-24 2016-11-21 東芝三菱電機產業系統股份有限公司 監視控制裝置

Also Published As

Publication number Publication date
KR101215169B1 (ko) 2012-12-24
US7991510B2 (en) 2011-08-02
KR20080029958A (ko) 2008-04-03
EP1913343A1 (en) 2008-04-23
US20090281671A1 (en) 2009-11-12
CN101091105A (zh) 2007-12-19
US20070191990A1 (en) 2007-08-16
JP2009505079A (ja) 2009-02-05
WO2007022052A1 (en) 2007-02-22
WO2007022052A8 (en) 2007-04-19

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