DE69320914D1 - Gaskonzentration und/oder Strömungssensor - Google Patents

Gaskonzentration und/oder Strömungssensor

Info

Publication number
DE69320914D1
DE69320914D1 DE69320914T DE69320914T DE69320914D1 DE 69320914 D1 DE69320914 D1 DE 69320914D1 DE 69320914 T DE69320914 T DE 69320914T DE 69320914 T DE69320914 T DE 69320914T DE 69320914 D1 DE69320914 D1 DE 69320914D1
Authority
DE
Germany
Prior art keywords
flow sensor
gas concentration
concentration
gas
sensor
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
DE69320914T
Other languages
English (en)
Other versions
DE69320914T2 (de
Inventor
Frank R Frola
Dennis Gibboney Denni Gibboney
Paul Bauer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sunrise Medical HHG Inc
Original Assignee
Sunrise Medical HHG 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 Sunrise Medical HHG Inc filed Critical Sunrise Medical HHG Inc
Application granted granted Critical
Publication of DE69320914D1 publication Critical patent/DE69320914D1/de
Publication of DE69320914T2 publication Critical patent/DE69320914T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/02—Analysing fluids
    • G01N29/024—Analysing fluids by measuring propagation velocity or propagation time of acoustic waves
    • 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
    • G01F1/662—Constructional details
    • 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
    • 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
    • G01N2291/02809—Concentration of a compound, e.g. measured by a surface mass change
    • 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
    • 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
    • G01N2291/02881—Temperature

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Electromagnetism (AREA)
  • Biochemistry (AREA)
  • Analytical Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Health & Medical Sciences (AREA)
  • Acoustics & Sound (AREA)
  • Measuring Volume Flow (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
DE69320914T 1992-11-12 1993-10-26 Gaskonzentration und/oder Strömungssensor Expired - Fee Related DE69320914T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07975616 US5247826B1 (en) 1992-11-12 1992-11-12 Gas concentration and/or flow sensor

Publications (2)

Publication Number Publication Date
DE69320914D1 true DE69320914D1 (de) 1998-10-15
DE69320914T2 DE69320914T2 (de) 1999-01-28

Family

ID=25523205

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69320914T Expired - Fee Related DE69320914T2 (de) 1992-11-12 1993-10-26 Gaskonzentration und/oder Strömungssensor

Country Status (7)

Country Link
US (1) US5247826B1 (de)
EP (1) EP0597604B1 (de)
JP (1) JPH06213877A (de)
AU (1) AU665279B2 (de)
CA (1) CA2109234C (de)
DE (1) DE69320914T2 (de)
MX (1) MX9306870A (de)

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US5644070A (en) * 1996-04-22 1997-07-01 Dynamic Manufacturing Inc. Ozone concentration sensor
US5917135A (en) * 1996-06-14 1999-06-29 Invacare Corporation Gas concentration sensor and control for oxygen concentrator utilizing gas concentration sensor
US5906672A (en) * 1996-06-14 1999-05-25 Invacare Corporation Closed-loop feedback control for oxygen concentrator
US5768937A (en) * 1996-11-13 1998-06-23 Leybold Inficon, Inc. Acoustic sensor for in-line continuous monitoring of gasses
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SE9800074D0 (sv) * 1998-01-15 1998-01-15 Siemens Elema Ab Acoustic flow meter
GB2333370B (en) * 1998-01-16 2002-03-06 British Gas Plc Method & apparatus for measuring the relative density of a gas
US6116080A (en) * 1998-04-17 2000-09-12 Lorex Industries, Inc. Apparatus and methods for performing acoustical measurements
SE9802762D0 (sv) 1998-08-19 1998-08-19 Siemens Elema Ab Zero crossing detector and method of determining a zero crossing point
AU3482300A (en) 1999-02-04 2000-08-25 Bechtel Bwxt Idaho, Llc Ultrasonic fluid quality sensor system
US6308572B1 (en) * 1999-02-15 2001-10-30 Ngk Spark Plug Co., Ltd. Gas concentration sensor
IT1311771B1 (it) * 1999-02-24 2002-03-19 Giorgio Bergamini Misuratore perfezionato della portata di gas con gli ultrasuoni basato su specchi parabolici.
US6626026B2 (en) * 2000-04-07 2003-09-30 Interuniversitair Microelektronica Centrum (Imec) Acoustic wave based sensor
TW520993B (en) 2001-01-22 2003-02-21 Teijin Ltd An apparatus for and a method of ultrasonically measuring concentration and flow rate of a gas
JP4536939B2 (ja) * 2001-01-22 2010-09-01 帝人株式会社 超音波反射式ガス濃度測定方法及び装置
JP4169483B2 (ja) * 2001-01-22 2008-10-22 帝人株式会社 超音波式ガス濃度流量測定方法及び装置
JP4612218B2 (ja) * 2001-04-16 2011-01-12 帝人株式会社 酸素濃縮装置
JP2003077518A (ja) * 2001-09-06 2003-03-14 Nippon Soken Inc 燃料改質装置
ES2328911T3 (es) * 2001-10-30 2009-11-19 Teijin Limited Dispositivo de enriquecimiento en oxigeno.
SE0200184D0 (sv) * 2002-01-24 2002-01-24 Siemens Elema Ab Acoustic Gas Meter
SE0300160D0 (sv) * 2003-01-23 2003-01-23 Siemens Elema Ab Apparatus for and Method of Mintoring a Gas Supply
SE0300848D0 (sv) * 2003-03-26 2003-03-26 Siemens Elema Ab Acoustic Analysis of Gas Mixtures
ES2600525T3 (es) 2003-04-21 2017-02-09 Teijin Pharma Limited Sistema de concentración de oxígeno para generar gas enriquecido en oxígeno
DE10318384B4 (de) 2003-04-23 2007-11-22 Dräger Medical AG & Co. KG Inkubator mit einer Sauerstoffdosierung
US7954490B2 (en) 2005-02-09 2011-06-07 Vbox, Incorporated Method of providing ambulatory oxygen
GB2429061B (en) * 2005-08-13 2009-04-22 Flownetix Ltd A method of construction for a low cost plastic ultrasonic water meter
DE102005059062B4 (de) * 2005-12-08 2009-08-27 Continental Automotive Gmbh Vorrichtung zur Bestimmung eines Massenstroms
WO2008009870A1 (en) * 2006-07-21 2008-01-24 Sentec Limited Gas flow detector
JP2008046062A (ja) * 2006-08-21 2008-02-28 Aichi Tokei Denki Co Ltd 超音波流量計
MY150282A (en) 2007-05-31 2013-12-31 Teijin Pharma Ltd Ultrasonic gas concentration measuring method and device using the same
KR101458395B1 (ko) * 2007-11-15 2014-11-07 데이진 화-마 가부시키가이샤 산소 농축 장치
EP2456541A4 (de) 2009-07-22 2013-03-06 Vbox Inc Verfahren zur sauerstoffabtrennung und -verteilung
US9039655B2 (en) 2009-11-06 2015-05-26 Crisi Medical Systems, Inc. Medication injection site and data collection system
US8365724B2 (en) * 2009-12-29 2013-02-05 General Electric Company Medical vaporizer and method of control of a medical vaporizer
US9101534B2 (en) 2010-04-27 2015-08-11 Crisi Medical Systems, Inc. Medication and identification information transfer apparatus
US10492991B2 (en) 2010-05-30 2019-12-03 Crisi Medical Systems, Inc. Medication container encoding, verification, and identification
US9514131B1 (en) 2010-05-30 2016-12-06 Crisi Medical Systems, Inc. Medication container encoding, verification, and identification
US8603688B2 (en) * 2010-10-27 2013-12-10 GM Global Technology Operations LLC Anode gas composition utilizing H2 injection pressure wave propagation rates
US8752544B2 (en) 2011-03-21 2014-06-17 General Electric Company Medical vaporizer and method of monitoring of a medical vaporizer
US9078809B2 (en) 2011-06-16 2015-07-14 Crisi Medical Systems, Inc. Medication dose preparation and transfer system
US10293107B2 (en) 2011-06-22 2019-05-21 Crisi Medical Systems, Inc. Selectively Controlling fluid flow through a fluid pathway
US9744298B2 (en) 2011-06-22 2017-08-29 Crisi Medical Systems, Inc. Selectively controlling fluid flow through a fluid pathway
ES2906605T3 (es) 2012-04-05 2022-04-19 Fisher & Paykel Healthcare Ltd Aparato de ayuda respiratoria
US10143830B2 (en) 2013-03-13 2018-12-04 Crisi Medical Systems, Inc. Injection site information cap
CN103278561B (zh) * 2013-04-25 2016-08-10 无锡煤矿机械股份有限公司 通用型超声波液体浓度检测装置
EP4235120A3 (de) 2014-05-27 2023-10-04 Fisher & Paykel Healthcare Limited Gasmischung und -messung für eine medizinische vorrichtung
US9505233B2 (en) 2014-10-10 2016-11-29 Becton, Dickinson And Company Tensioning control device
BR112017006951B1 (pt) 2014-10-10 2022-06-14 Becton, Dickinson And Company Dispositivo de rotulação de seringa
KR20230054906A (ko) 2015-12-02 2023-04-25 피셔 앤 페이켈 핼스케어 리미티드 유량 요법 기기를 위한 유로 감지
JP6832152B2 (ja) 2016-12-21 2021-02-24 上田日本無線株式会社 気体濃度測定装置およびその校正方法
US10610659B2 (en) 2017-03-23 2020-04-07 General Electric Company Gas mixer incorporating sensors for measuring flow and concentration
US10946160B2 (en) 2017-03-23 2021-03-16 General Electric Company Medical vaporizer with carrier gas characterization, measurement, and/or compensation
US20210207830A1 (en) * 2018-09-10 2021-07-08 Carrier Corporation Gas monitoring apparatus and method
EP4359768A1 (de) * 2021-06-24 2024-05-01 Stellenbosch University Vorrichtung und system zur messung von verschmutzungsparametern in einer flüssigkeit

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DE1228835B (de) * 1961-10-20 1966-11-17 Fischer & Porter Gmbh Einrichtung zum Messen der Stroemungsgeschwindigkeit von Gasen oder Fluessigkeiten durch Schallwellen
FR2211644B1 (de) * 1972-12-27 1976-04-23 Onera (Off Nat Aerospatiale)
US3805590A (en) * 1973-03-09 1974-04-23 Us Navy Oxygen partial pressure sensor
DE2833793A1 (de) * 1978-08-02 1980-02-14 Daimler Benz Ag Ultraschall-durchflussmesseinrichtung
US4520654A (en) * 1983-03-14 1985-06-04 General Electric Company Method and apparatus for detecting hydrogen, oxygen and water vapor concentrations in a host gas
US4506543A (en) * 1983-06-20 1985-03-26 The Dow Chemical Company Analysis of salt concentrations
US4630482A (en) * 1985-06-17 1986-12-23 John Traina Method and apparatus for ultrasonic measurements of a medium
GB2210977A (en) * 1987-10-14 1989-06-21 Gen Electric Co Plc Ultrasonic gas composition measurement
US4938066A (en) * 1988-01-29 1990-07-03 Xecutek Corporation Ultrasonic apparatus for measuring the speed of sound in a gaseous medium
US5060507A (en) * 1989-06-21 1991-10-29 John Urmson Method and apparatus for fluid mixture monitoring, constituent analysis, and composition control
US5060506A (en) * 1989-10-23 1991-10-29 Douglas David W Method and apparatus for monitoring the content of binary gas mixtures
US5060514A (en) * 1989-11-30 1991-10-29 Puritan-Bennett Corporate Ultrasonic gas measuring device
GB9021441D0 (en) * 1990-10-02 1990-11-14 British Gas Plc Measurement system

Also Published As

Publication number Publication date
JPH06213877A (ja) 1994-08-05
AU5060093A (en) 1994-05-26
CA2109234C (en) 1996-12-31
DE69320914T2 (de) 1999-01-28
EP0597604A1 (de) 1994-05-18
US5247826B1 (en) 1995-07-18
AU665279B2 (en) 1995-12-21
CA2109234A1 (en) 1994-05-13
US5247826A (en) 1993-09-28
MX9306870A (es) 1994-05-31
EP0597604B1 (de) 1998-09-09

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee