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
Publication of DE69320914D1 publication Critical patent/DE69320914D1/de
Application granted granted Critical
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)
  • Electromagnetism (AREA)
  • Fluid Mechanics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Acoustics & Sound (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (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)

Families Citing this family (57)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5537854A (en) * 1993-05-24 1996-07-23 Phillips; Scott Acoustic natural gas fuel sensor
US5392635A (en) * 1993-12-30 1995-02-28 At&T Corp. Acoustic analysis of gas mixtures
US5627323A (en) * 1995-05-25 1997-05-06 Stern; Michael Ultrasonic binary gas measuring device
US5625140A (en) * 1995-12-12 1997-04-29 Lucent Technologies Inc. Acoustic analysis of gas mixtures
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
JPH10318811A (ja) * 1997-05-21 1998-12-04 Matsushita Electric Ind Co Ltd 流量計
SE9800074D0 (sv) * 1998-01-15 1998-01-15 Siemens Elema Ab Acoustic flow meter
KR100362819B1 (ko) * 1998-01-16 2002-11-29 비지 인텔렉츄얼 프라퍼티 리미티드 가스의 상대 밀도 측정 방법 및 장치
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
US6460402B1 (en) 1999-02-04 2002-10-08 Bechtel Bwtx Idaho, Llc Ultrasonic fluid quality sensor system
EP1030176A3 (de) * 1999-02-15 2003-11-05 NGK Spark Plug Company Limited Gaskonzentrationssensor
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
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
CA2403862C (en) * 2001-01-22 2010-06-29 Teijin Limited Ultrasonic apparatus and method for measuring the concentration and flow rate of gas
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
AU2004233273C1 (en) 2003-04-21 2008-10-30 Teijin Limited Ultrasonic apparatus and method for measuring the concentration and flow rate of gas
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
EP2052220A1 (de) * 2006-07-21 2009-04-29 Sentec Limited Gasströmungsdetektor
JP2008046062A (ja) * 2006-08-21 2008-02-28 Aichi Tokei Denki Co Ltd 超音波流量計
CA2689711C (en) * 2007-05-31 2016-11-15 Teijin Pharma Limited Ultrasonic apparatus and method for measuring the concentration of gas
SG174818A1 (en) * 2007-11-15 2011-10-28 Teijin Pharma Ltd Oxygen concentrator
US8394178B2 (en) 2009-07-22 2013-03-12 Vbox, Incorporated Apparatus for separating oxygen from ambient air
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
US9514131B1 (en) 2010-05-30 2016-12-06 Crisi Medical Systems, Inc. Medication container encoding, verification, and identification
US10492991B2 (en) 2010-05-30 2019-12-03 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
US9744298B2 (en) 2011-06-22 2017-08-29 Crisi Medical Systems, Inc. Selectively controlling fluid flow through a fluid pathway
US10293107B2 (en) 2011-06-22 2019-05-21 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
AU2015268171B2 (en) 2014-05-27 2020-05-07 Fisher & Paykel Healthcare Limited Gases mixing and measuring for a medical device
US9776757B2 (en) 2014-10-10 2017-10-03 Becton, Dickinson And Company Syringe labeling device
MX2017004528A (es) 2014-10-10 2017-06-07 Becton Dickinson Co Dispositivo de control de tension.
CN114796782A (zh) 2015-12-02 2022-07-29 费雪派克医疗保健有限公司 流量治疗设备的流动路径感测
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
US10946160B2 (en) 2017-03-23 2021-03-16 General Electric Company Medical vaporizer with carrier gas characterization, measurement, and/or compensation
US10610659B2 (en) 2017-03-23 2020-04-07 General Electric Company Gas mixer incorporating sensors for measuring flow and concentration
US20210207830A1 (en) * 2018-09-10 2021-07-08 Carrier Corporation Gas monitoring apparatus and method

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CA2109234C (en) 1996-12-31
EP0597604B1 (de) 1998-09-09
AU5060093A (en) 1994-05-26
MX9306870A (es) 1994-05-31
US5247826B1 (en) 1995-07-18
DE69320914T2 (de) 1999-01-28
AU665279B2 (en) 1995-12-21
JPH06213877A (ja) 1994-08-05
EP0597604A1 (de) 1994-05-18
US5247826A (en) 1993-09-28
CA2109234A1 (en) 1994-05-13

Similar Documents

Publication Publication Date Title
DE69320914T2 (de) Gaskonzentration und/oder Strömungssensor
DE59310223D1 (de) Sensor zur bestimmung von gaskomponenten und/oder von gaskonzentrationen von gasgemischen
DE59408414D1 (de) Sensoranordnung zur bestimmung von gaskomponenten und/oder gaskonzentrationen von gasgemischen
DE69326199T2 (de) Gassensor und seine herstellung
DE69331257D1 (de) Elektrobiochemisches Nachweisverfahren und Elektroden dafür
DE69424382T2 (de) Messfühler und -einrichtung zur Verwendung in der Analysierung von Gasmischungen
DE69915115D1 (de) Bleichen mit polyoxometallaten und luft oder sauerstoff
DE9209362U1 (de) Filtervorrichtung zum Filtern von Gasen und/oder Flüssigkeiten
DE69324936D1 (de) Gasfluss-Winkelgeschwindigkeitssensor
DE69309541D1 (de) Winkelgeschwindigkeitsmessaufnehmer und damit ausgerüstete Kamera
DE69310755D1 (de) Magnetischer sensor und magnetischer detektor
DE69410653T2 (de) Sauerstoffkonzentrationssensor
DE59307076D1 (de) Sensoranordnung zur bestimmung von gaskomponenten und/oder gaskonzentrationen von gasgemischen
DE4497477T1 (de) Gassensor und Gasunterscheidungsverfahren
DE58902290D1 (de) Sauerstoffabsorptionsmittel und verwendung desselben.
DE68910245T2 (de) Kolotomiebeutel und Gasfilter dafür.
DE69312824T2 (de) Kontaktkörper für Flüssigkeiten und Gase
DE69517766D1 (de) Richtungs-Sensor und Richtungs-Entfernungs-Sensor
DE69736091D1 (de) Gassensor und Gaskonzentrationsüberwachungsvorrichtung
DE59307396D1 (de) Dichtring und verwendung desselben
DE58908184D1 (de) Enzymatisches Nachweisgerät für Gase und Aerosole.
FI930705A0 (fi) Anordningar foer ledande av gas i fluider
DE69309582T2 (de) Endlos Formularsatz und dadurch erstelltes Poststück
DE69324588D1 (de) Fluorierungsreagenz und fluorierungsverfahren
BR6800613U (pt) Dispositivo oxigenador e/ou eliminador de gases

Legal Events

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