DE69017376D1 - Ultraschallgasmessvorrichtung. - Google Patents

Ultraschallgasmessvorrichtung.

Info

Publication number
DE69017376D1
DE69017376D1 DE69017376T DE69017376T DE69017376D1 DE 69017376 D1 DE69017376 D1 DE 69017376D1 DE 69017376 T DE69017376 T DE 69017376T DE 69017376 T DE69017376 T DE 69017376T DE 69017376 D1 DE69017376 D1 DE 69017376D1
Authority
DE
Germany
Prior art keywords
measuring device
gas measuring
ultrasonic gas
ultrasonic
measuring
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
DE69017376T
Other languages
English (en)
Other versions
DE69017376T2 (de
Inventor
Alonzo C Aylsworth
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.)
Puritan Bennett Corp
Original Assignee
Puritan Bennett Corp
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 Puritan Bennett Corp filed Critical Puritan Bennett Corp
Publication of DE69017376D1 publication Critical patent/DE69017376D1/de
Application granted granted Critical
Publication of DE69017376T2 publication Critical patent/DE69017376T2/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
    • G01N29/22—Details, e.g. general constructional or apparatus details
    • 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
    • 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
    • G01N29/22—Details, e.g. general constructional or apparatus details
    • G01N29/222—Constructional or flow details for analysing fluids
    • 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
    • G01N29/22—Details, e.g. general constructional or apparatus details
    • G01N29/32—Arrangements for suppressing undesired influences, e.g. temperature or pressure variations, compensating for signal noise
    • G01N29/326—Arrangements for suppressing undesired influences, e.g. temperature or pressure variations, compensating for signal noise compensating for temperature variations
    • 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
    • G01N29/34—Generating the ultrasonic, sonic or infrasonic waves, e.g. electronic circuits specially adapted therefor
    • 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
    • G01N29/36—Detecting the response signal, e.g. electronic circuits specially adapted therefor
    • 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
    • G01N29/44—Processing the detected response signal, e.g. electronic circuits specially adapted therefor
    • G01N29/4463—Signal correction, e.g. distance amplitude correction [DAC], distance gain size [DGS], noise filtering
    • 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
    • G01N2291/01—Indexing codes associated with the measuring variable
    • G01N2291/012—Phase angle
    • 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
    • G01N2291/021—Gases
    • 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
    • G01N2291/02845—Humidity, wetness

Landscapes

  • Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Engineering & Computer Science (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
DE69017376T 1989-11-30 1990-11-30 Ultraschallgasmessvorrichtung. Expired - Fee Related DE69017376T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/444,048 US5060514A (en) 1989-11-30 1989-11-30 Ultrasonic gas measuring device

Publications (2)

Publication Number Publication Date
DE69017376D1 true DE69017376D1 (de) 1995-04-06
DE69017376T2 DE69017376T2 (de) 1995-06-29

Family

ID=23763276

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69017376T Expired - Fee Related DE69017376T2 (de) 1989-11-30 1990-11-30 Ultraschallgasmessvorrichtung.

Country Status (7)

Country Link
US (4) US5060514A (de)
EP (1) EP0430859B1 (de)
JP (1) JPH03223669A (de)
AU (1) AU634317B2 (de)
CA (1) CA2031115A1 (de)
DE (1) DE69017376T2 (de)
IE (1) IE68043B1 (de)

Families Citing this family (109)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5060514A (en) * 1989-11-30 1991-10-29 Puritan-Bennett Corporate Ultrasonic gas measuring device
AU643066B2 (en) * 1990-08-17 1993-11-04 Commonwealth Industrial Gases Limited, The Gas analyser
WO1992003724A1 (en) * 1990-08-17 1992-03-05 The Commonwealth Industrial Gases Limited Gas analyser
US5285675A (en) * 1992-06-05 1994-02-15 University Of Florida Research Foundation, Inc. Acoustic fluid flow monitoring
US5247826B1 (en) * 1992-11-12 1995-07-18 Devilbiss Health Care Inc Gas concentration and/or flow sensor
JP3083025B2 (ja) * 1992-12-24 2000-09-04 キヤノン株式会社 密閉空間内の気体制御方法とこれを用いたチャンバ装置と露光装置、並びにデバイス製造方法
US5697346A (en) * 1993-05-28 1997-12-16 Servojet Products International Method for using sonic gas-fueled internal combustion engine control system
CA2175232A1 (en) * 1993-10-29 1995-05-04 Vladimir Belonenko Method and system for measuring fluid parameters by ultrasonic methods
US5351522A (en) * 1993-11-02 1994-10-04 Aequitron Medical, Inc. Gas sensor
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
US5767407A (en) * 1996-01-23 1998-06-16 The Regents Of The University Of California Noninvasive identification of fluids by swept-frequency acoustic interferometry
ES2114492B1 (es) * 1996-05-22 1999-01-16 Barba Trigueros Francisco Dispositivo para la deteccion en el aire de gases combustibles, de los suministrados a edificios habitados de uso no industrial mediante ultrasonidos.
US5768937A (en) * 1996-11-13 1998-06-23 Leybold Inficon, Inc. Acoustic sensor for in-line continuous monitoring of gasses
US5900552A (en) * 1997-03-28 1999-05-04 Ohmeda Inc. Inwardly directed wave mode ultrasonic transducer, gas analyzer, and method of use and manufacture
US5911219A (en) * 1997-04-18 1999-06-15 Aylsworth; Alonzo C. Therapeutic gas flow meter and monitor
SE9701477L (sv) * 1997-04-21 1998-10-05 Siemens Elema Ab Mätanordning för samtidig bestämning av flöde av en strömmande gasblandning och koncentration av en specifik gas i gasblandningen.
US5883457A (en) * 1997-04-24 1999-03-16 Raychem Corporation Organic matrix for acoustic reflector array
DE19745954A1 (de) * 1997-10-17 1999-04-22 Bernd Horst Dr Meier Verfahren und Vorrichtung zur Messung von Gasgemischen
US6161420A (en) * 1997-11-12 2000-12-19 Fisher Controls International, Inc. High frequency measuring circuit
US6035698A (en) * 1998-03-31 2000-03-14 Lewin; Henry Apparatus for testing humidity of gas stream
US6116080A (en) * 1998-04-17 2000-09-12 Lorex Industries, Inc. Apparatus and methods for performing acoustical measurements
NL1009485C2 (nl) * 1998-06-24 2000-01-11 Wilhelm Henricus Jurriaan Van Akoestische looptijdmeting.
CN100392361C (zh) * 1998-09-11 2008-06-04 松下电器产业株式会社 流量测量装置
US6338369B1 (en) 1998-11-09 2002-01-15 Marconi Commerce Systems Inc. Hydrocarbon vapor sensing
US6361206B1 (en) * 1999-01-28 2002-03-26 Honeywell International Inc. Microsensor housing
US6322247B1 (en) * 1999-01-28 2001-11-27 Honeywell International Inc. Microsensor housing
AU3482300A (en) 1999-02-04 2000-08-25 Bechtel Bwxt Idaho, Llc Ultrasonic fluid quality sensor system
US6227033B1 (en) * 1999-03-11 2001-05-08 Delphi Technologies, Inc. Auto-calibration method for a wide range exhaust gas oxygen sensor
US6279378B1 (en) * 1999-10-27 2001-08-28 The University Of Chicago Ultrasonic gas analyzer and method to analyze trace gases
US6492601B1 (en) * 1999-11-01 2002-12-10 The Johns Hopkins University Self-monitoring controller for quartz crystal Microbalance sensors
US7225809B1 (en) 1999-11-01 2007-06-05 Ric Investments, Llc Method and apparatus for monitoring and controlling a medical device
US6901786B2 (en) * 1999-11-30 2005-06-07 Veeder-Root Company Fueling system vapor recovery and containment leak detection system and method
US6622757B2 (en) 1999-11-30 2003-09-23 Veeder-Root Company Fueling system vapor recovery and containment performance monitor and method of operation thereof
JP4408510B2 (ja) * 1999-12-27 2010-02-03 株式会社イシダ 製袋包装機
US6487916B1 (en) 2000-02-02 2002-12-03 Bechtel Bxwt Idaho, Llc Ultrasonic flow metering system
US6672163B2 (en) * 2000-03-14 2004-01-06 Halliburton Energy Services, Inc. Acoustic sensor for fluid characterization
DE10036565C2 (de) * 2000-07-27 2002-07-25 Sonem Gmbh Vorrichtung zur Feststellung der Änderung der Dichte eines Mediums
DE10036567A1 (de) * 2000-07-27 2002-02-14 Sonem Gmbh Vorrichtung zur Feststellung der Änderung der Dichte eines Mediums
SE522062C2 (sv) * 2000-10-09 2004-01-13 Hoek Instr Ab CO2-sensor
US6357493B1 (en) 2000-10-23 2002-03-19 Marconi Commerce Systems Inc. Vapor recovery system for a fuel dispenser
US6347649B1 (en) 2000-11-16 2002-02-19 Marconi Commerce Systems Inc. Pressure sensor for a vapor recovery system
JP4612218B2 (ja) * 2001-04-16 2011-01-12 帝人株式会社 酸素濃縮装置
DE60233245D1 (de) * 2001-10-30 2009-09-17 Teijin Ltd Sauerstoffanreicherungsvorrichtung
US7213445B2 (en) * 2001-12-05 2007-05-08 Wayne State University Acoustic particulates density sensor
EP1343003A3 (de) * 2002-03-06 2005-05-11 NGK Spark Plug Company Limited Gassensor
JP3584290B2 (ja) * 2002-03-22 2004-11-04 独立行政法人産業技術総合研究所 気体濃度計測装置および気体濃度計測方法
GB0210021D0 (en) 2002-05-01 2002-06-12 Air Prod & Chem Ultrasonic gas analyser
DE10223083A1 (de) * 2002-05-18 2003-12-04 Werner Sobek Ingenieure Gmbh & Transmissives elektrooptisches Element und damit versehene Scheibenanordnung
US6866700B2 (en) * 2002-08-27 2005-03-15 Ag Industries Filter housing assembly for use in oxygen concentrators and other compressors
US6904913B2 (en) * 2002-10-24 2005-06-14 Acoba, Llc Method and system for delivery of therapeutic gas to a patient and for filling a cylinder
US7617826B1 (en) 2004-02-26 2009-11-17 Ameriflo, Inc. Conserver
US8146592B2 (en) 2004-02-26 2012-04-03 Ameriflo, Inc. Method and apparatus for regulating fluid flow or conserving fluid flow
GB2418738A (en) * 2004-10-02 2006-04-05 David Arthur Jones A fluid flow sensor
US7900627B2 (en) * 2005-01-18 2011-03-08 Respironics, Inc. Trans-fill method and system
US7556670B2 (en) * 2006-03-16 2009-07-07 Aylsworth Alonzo C Method and system of coordinating an intensifier and sieve beds
US7459008B2 (en) * 2006-03-16 2008-12-02 Aylsworth Alonzo C Method and system of operating a trans-fill device
US7574894B2 (en) * 2006-04-25 2009-08-18 Parker-Hannifin Corporation ASM output ultrasonic oxygen sensor
US7909069B2 (en) 2006-05-04 2011-03-22 Veeder-Root Company System and method for automatically adjusting an ORVR compatible stage II vapor recovery system to maintain a desired air-to-liquid (A/L) ratio
US7854652B2 (en) * 2006-09-13 2010-12-21 Oracle America, Inc. Server rack service utilities for a data center in a shipping container
US8047904B2 (en) * 2006-09-13 2011-11-01 Oracle America, Inc. Cooling method for a data center in a shipping container
US7856838B2 (en) * 2006-09-13 2010-12-28 Oracle America, Inc. Cooling air flow loop for a data center in a shipping container
US7551971B2 (en) * 2006-09-13 2009-06-23 Sun Microsystems, Inc. Operation ready transportable data center in a shipping container
US7511960B2 (en) * 2006-09-13 2009-03-31 Sun Microsystems, Inc. Balanced chilled fluid cooling system for a data center in a shipping container
JP4988839B2 (ja) * 2007-05-31 2012-08-01 帝人ファーマ株式会社 超音波式ガス濃度測定方法及びそれを用いた装置
US20090065007A1 (en) * 2007-09-06 2009-03-12 Wilkinson William R Oxygen concentrator apparatus and method
US8026906B2 (en) * 2007-09-07 2011-09-27 F-Origin, Inc. Integrated force sensitive lens and software
US8191585B2 (en) 2008-05-28 2012-06-05 Franklin Fueling Systems, Inc. Method and apparatus for monitoring for a restriction in a stage II fuel vapor recovery system
EP2439171A3 (de) 2008-05-28 2012-07-18 Franklin Fueling Systems, Inc. Verfahren und Vorrichtung zur Überwachung von Einschränkungen in einem Stufe-II-Brennstoff-Dampfgewinnungssystem
US7976684B2 (en) * 2008-08-09 2011-07-12 Francisco Rivera Ferrer Jacketed ultrasound system
JP5402620B2 (ja) * 2009-01-06 2014-01-29 パナソニック株式会社 流量計測装置
WO2010135224A1 (en) 2009-05-18 2010-11-25 Franklin Fueling Systems, Inc. Method and apparatus for detecting a leak in a fuel delivery system
US20120229287A1 (en) * 2009-08-31 2012-09-13 Lorne Schuetzle Gas monitoring system
US8365724B2 (en) * 2009-12-29 2013-02-05 General Electric Company Medical vaporizer and method of control of a medical vaporizer
DE102010006576A1 (de) * 2010-02-02 2011-08-04 Continental Automotive GmbH, 30165 Gaskonzentrationssensor, Kraftfahrzeug mit Gaskonzentrationssensor sowie Gaskonzentrationsmessverfahren
US20110199094A1 (en) * 2010-02-16 2011-08-18 Hamilton Sundstrand Corporation Gas Sensor Age Compensation and Failure Detection
US20120055475A1 (en) 2010-09-07 2012-03-08 Wilkinson William R Oxygen concentrator system and methods for oral delivery of oxygen enriched gas
US8616207B2 (en) 2010-09-07 2013-12-31 Inova Labs, Inc. Oxygen concentrator heat management system and method
US8752544B2 (en) 2011-03-21 2014-06-17 General Electric Company Medical vaporizer and method of monitoring of a medical vaporizer
CZ2011184A3 (cs) * 2011-04-01 2012-12-19 Procháska@Aleš Zarízení pro merení koncentrace kyslíku v plynných smesích obsahujících helium a/nebo vodík
US9229021B2 (en) * 2011-04-20 2016-01-05 Endress + Hauser Flowtec Ag Measuring device with a multi-walled housing
DE112013001902T5 (de) * 2012-04-05 2015-01-08 Fisher & Paykel Healthcare Limited Atmungsunterstützende Vorrichtung
US8997550B2 (en) * 2012-06-19 2015-04-07 General Electric Company Method and system for correcting for temperature variations in ultrasonic testing systems
NZ707064A (en) 2012-10-12 2017-11-24 Inova Labs Inc Method and systems for the delivery of oxygen enriched gas
AU2013328915B2 (en) 2012-10-12 2018-04-26 Inova Labs, Inc. Dual oxygen concentrator systems and methods
WO2014059409A1 (en) 2012-10-12 2014-04-17 Inova Labs, Inc. Oxygen concentrator systems and methods
US9440179B2 (en) 2014-02-14 2016-09-13 InovaLabs, LLC Oxygen concentrator pump systems and methods
JP2017517319A (ja) * 2014-05-27 2017-06-29 フィッシャー アンド ペイケル ヘルスケア リミテッド 医療機器のためのガスの混合および測定
EP3223895A4 (de) 2014-10-07 2018-07-18 Incoba LLC Verfahren und system zur luftstrommessung und abgabe eines therapeutischen gases an einen patienten
KR101755775B1 (ko) 2014-12-09 2017-07-07 현대자동차주식회사 연료전지 필터 오염 감지 장치 및 방법
SG11201804508QA (en) 2015-12-02 2018-06-28 Fisher & Paykel Healthcare Ltd Flow path sensing for flow therapy apparatus
WO2017192660A1 (en) 2016-05-03 2017-11-09 Inova Labs, Inc. Method and systems for the delivery of oxygen enriched gas
US10222252B2 (en) * 2016-05-06 2019-03-05 Big Elk Energy Systems, LLC Portable verification system and method for use in verifying a gas pipeline flow meter when in field
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
US11215586B2 (en) 2017-01-30 2022-01-04 Aromatix, Inc. Ultrasound gas sensor system using machine learning
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
US11326928B2 (en) 2017-05-06 2022-05-10 Big Elk Energy Systems, LLC Portable verification system and method used to verify an in-field gas flow meter
JP7012497B2 (ja) 2017-10-04 2022-01-28 上田日本無線株式会社 伝搬時間測定装置、気体濃度測定装置および伝搬時間測定プログラム
JP6909697B2 (ja) 2017-10-04 2021-07-28 上田日本無線株式会社 伝搬時間測定器、気体濃度測定装置、および伝搬時間測定プログラム
AU2018346088A1 (en) * 2017-10-06 2020-04-16 Fisher & Paykel Healthcare Limited Closed loop oxygen control
GB201811771D0 (en) * 2017-12-05 2018-09-05 Eaton Intelligent Power Ltd Gas sensor
CN108301820B (zh) * 2018-05-02 2023-04-21 重庆科技学院 一种地层钻孔内声波探测装置及其探测方法
US20210207830A1 (en) * 2018-09-10 2021-07-08 Carrier Corporation Gas monitoring apparatus and method
JP7232037B2 (ja) 2018-12-26 2023-03-02 上田日本無線株式会社 気体センサ
US20200306683A1 (en) * 2019-04-01 2020-10-01 Inogen, Inc. Compact portable oxygen concentrator
US11630082B2 (en) * 2020-05-14 2023-04-18 Honeywell International Inc. Millimeter-wave and ultrasound sensors
CN114199996A (zh) * 2020-09-17 2022-03-18 深圳市慧传科技有限公司 基于超声原理的高原氧浓度测试方法及装置
CN113109516B (zh) * 2021-04-21 2022-04-19 江南大学 一种湿度传感器响应与恢复时间测量装置及方法

Family Cites Families (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2160326A (en) * 1934-12-19 1939-05-30 Bendix Aviat Corp Apparatus for controlling the amount of a gas in a closed region
US2568277A (en) * 1942-08-01 1951-09-18 Bendix Aviat Corp Fluid testing apparatus
DE906023C (de) * 1948-10-02 1954-04-05 Norbert Kurt Endell Dipl Ing Einrichtung zur Messung des Feuchtigkeitsgehalts von Gasen
US2984097A (en) * 1956-09-11 1961-05-16 Merck & Co Inc Gas measuring apparatus
SU111227A1 (ru) * 1956-11-28 1956-11-30 Д.С. Волосов Анаморфотна оптическа система
US3468157A (en) * 1966-03-03 1969-09-23 Phillips Petroleum Co Acoustical apparatus for detecting the composition of a gas
US3487297A (en) * 1967-06-08 1969-12-30 Guyton Arthur C Suspended membrane differential oxygen analyzer
US3675649A (en) * 1970-08-21 1972-07-11 Westland Aircraft Ltd Electronically controlled oxygen regulators
US3805590A (en) * 1973-03-09 1974-04-23 Us Navy Oxygen partial pressure sensor
US3887334A (en) * 1973-04-13 1975-06-03 Julius Bago Oxygen meter
US3981176A (en) * 1974-09-16 1976-09-21 The United States Of America As Represented By The Secretary Of The Department Of Health, Education And Welfare Dual frequency acoustic gas composition analyzer
US4169811A (en) * 1977-03-23 1979-10-02 Mitsubishi Gas Chemical Co., Inc. Oxygen indicator
US4169708A (en) * 1977-06-03 1979-10-02 Muggli Robert Z Method and apparatus for gas analysis
US4109509A (en) * 1977-09-30 1978-08-29 The Bendix Corporation Oxygen monitor and warning device for an aircraft breathing system
US4384934A (en) * 1978-05-31 1983-05-24 The Flinders University Of South Australia Means for determining the partial pressure of oxygen in an atmosphere
US4330385A (en) * 1980-06-09 1982-05-18 Arthur Technology, Inc. Dissolved oxygen measurement instrument
DE3029080A1 (de) * 1980-07-31 1982-02-18 Linde Ag, 6200 Wiesbaden Verfahren und vorrichtung zum bereitstellen von atemgas
GB2087559A (en) * 1980-11-15 1982-05-26 Nat Maritime Inst Determining gas compositions acoustically
US4380167A (en) * 1981-03-18 1983-04-19 Energy Controls, Inc. Apparatus and method for detecting a fraction of a gas
SE428345C (sv) * 1981-12-23 1989-04-06 Gambro Engstrom Ab Foerfarande vid maetning och anordning foer maetning av koncentrationen av en eller flera givna komponenter i en av en patient in- och eller utandad andningsgas
US4459266A (en) * 1982-01-05 1984-07-10 Lamoreaux Charles L Air purity monitoring system
US4462246A (en) * 1982-06-04 1984-07-31 Sierra Monitor Corporation Percent oxygen gauge
US4627860A (en) * 1982-07-09 1986-12-09 Hudson Oxygen Therapy Sales Company Oxygen concentrator and test apparatus
US4516424A (en) * 1982-07-09 1985-05-14 Hudson Oxygen Therapy Sales Company Oxygen concentrator monitor and regulation assembly
US4648888A (en) * 1982-07-09 1987-03-10 Hudson Oxygen Therapy Sales Co. Oxygen concentrator
US4455861A (en) * 1983-01-24 1984-06-26 Litton Systems, Inc. Molecular sieve oxygen monitor
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
SU1112270A1 (ru) * 1983-04-22 1984-09-07 Предприятие П/Я Г-4126 Акустический блок дл измерени концентрации газа в двухфазных средах
JPS60117131A (ja) * 1983-11-30 1985-06-24 Toshiba Corp 流体の流量・濃度同時測定用測定管
US4555932A (en) * 1984-02-03 1985-12-03 Rca Corporation Method and apparatus for assaying the purity of a gas
US4662212A (en) * 1984-09-10 1987-05-05 Sumitomo Bakelite Company Limited Measuring instrument for concentration of gas
US4616501A (en) * 1985-04-23 1986-10-14 American Sterilizer Company System for determining gas concentration
US4821558A (en) * 1987-05-01 1989-04-18 Abbott Laboratories Ultrasonic detector
FR2649206B1 (fr) * 1989-07-03 1993-02-05 Total Petroles Procede et dispositif de mesure de la gelification de produits petroliers paraffiniques, notamment bruts
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

Also Published As

Publication number Publication date
US5060514A (en) 1991-10-29
IE68043B1 (en) 1996-05-15
CA2031115A1 (en) 1991-05-31
DE69017376T2 (de) 1995-06-29
US5369979A (en) 1994-12-06
IE904312A1 (en) 1991-06-05
AU634317B2 (en) 1993-02-18
EP0430859B1 (de) 1995-03-01
US5313820A (en) 1994-05-24
EP0430859A1 (de) 1991-06-05
AU6705890A (en) 1991-06-06
US5452621A (en) 1995-09-26
JPH03223669A (ja) 1991-10-02

Similar Documents

Publication Publication Date Title
DE69017376T2 (de) Ultraschallgasmessvorrichtung.
DE69023279D1 (de) Längenmessgerät.
DE58904606D1 (de) Winkelmessvorrichtung.
DE58901978D1 (de) Druckmessvorrichtung.
DE58900833D1 (de) Positionsmesseinrichtung.
DE69012837T2 (de) Messgerät.
DE69004631D1 (de) Positionsmesseinrichtung.
DE69001445T2 (de) Maehvorrichtung.
DE69025328D1 (de) Ultraschall-prüfvorrichtung
DE68918549D1 (de) Verschiebungsmessapparat.
DE3852946T2 (de) Immuno-Agglutinationsmessgerät.
DE69024016T2 (de) Messvorrichtung.
DE59102374D1 (de) Ultraschallprüfvorrichtung.
DE58901912D1 (de) Winkelmessgeraet.
DE59000807D1 (de) Ultraschall-durchflussmessgeraet.
DE69003763T2 (de) Membran-Deformationsmessvorrichtung.
DE69015565T2 (de) Ultraschallprüfvorrichtung.
DE59006972D1 (de) Luftmessvorrichtung.
DE69013118T2 (de) Schwingungsgradmessvorrichtung.
DE68901713T2 (de) Laengenmessgeraet.
DE58904465D1 (de) Laengenmessgeraet.
DE69011566D1 (de) Akustisches Detektionsgerät.
DE58904338D1 (de) Positionsmesseinrichtung.
DE68908430T2 (de) Messgerät.
DE3872909D1 (de) Gasmengenmessgeraet.

Legal Events

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