SE0301226D0 - Acoustic Determination of Moisture Content of a Gas Mixture - Google Patents

Acoustic Determination of Moisture Content of a Gas Mixture

Info

Publication number
SE0301226D0
SE0301226D0 SE0301226A SE0301226A SE0301226D0 SE 0301226 D0 SE0301226 D0 SE 0301226D0 SE 0301226 A SE0301226 A SE 0301226A SE 0301226 A SE0301226 A SE 0301226A SE 0301226 D0 SE0301226 D0 SE 0301226D0
Authority
SE
Sweden
Prior art keywords
air
source
moisture content
oxygen
acoustic
Prior art date
Application number
SE0301226A
Other languages
English (en)
Inventor
Aake Larsson
Lars Skoglund
Erik Cardelius
Original Assignee
Siemens Elema Ab
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 Siemens Elema Ab filed Critical Siemens Elema Ab
Priority to SE0301226A priority Critical patent/SE0301226D0/sv
Publication of SE0301226D0 publication Critical patent/SE0301226D0/sv
Priority to EP04003968.7A priority patent/EP1477798B1/en
Priority to JP2004105725A priority patent/JP4286174B2/ja
Priority to US10/823,444 priority patent/US7063668B2/en

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
    • G01N29/222—Constructional or flow details for analysing fluids
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/10—Preparation of respiratory gases or vapours
    • A61M16/12—Preparation of respiratory gases or vapours by mixing different gases
    • 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
    • G01N29/30—Arrangements for calibrating or comparing, e.g. with standard objects
    • 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
    • G01N29/4409—Processing the detected response signal, e.g. electronic circuits specially adapted therefor by comparison
    • G01N29/4427—Processing the detected response signal, e.g. electronic circuits specially adapted therefor by comparison with stored values, e.g. threshold values
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/33—Controlling, regulating or measuring
    • A61M2205/3375—Acoustical, e.g. ultrasonic, measuring 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
    • G01N2291/021—Gases
    • G01N2291/0212—Binary 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
    • G01N2291/021—Gases
    • G01N2291/0215—Mixtures of three or more gases, e.g. air
    • 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
SE0301226A 2003-04-28 2003-04-28 Acoustic Determination of Moisture Content of a Gas Mixture SE0301226D0 (sv)

Priority Applications (4)

Application Number Priority Date Filing Date Title
SE0301226A SE0301226D0 (sv) 2003-04-28 2003-04-28 Acoustic Determination of Moisture Content of a Gas Mixture
EP04003968.7A EP1477798B1 (en) 2003-04-28 2004-02-21 Acoustic determination of moisture content of a gas mixture
JP2004105725A JP4286174B2 (ja) 2003-04-28 2004-03-31 音響分析器で、空気中の湿気成分を検出する方法、音響分析器で、空気中の湿気成分を検出し、乾燥状態のガス試料の補正された成分情報を提供する方法、音響分析器で、酸素／空気ガス試料の酸素含量の成分情報を決定する方法、及び、機械式呼吸補助装置
US10/823,444 US7063668B2 (en) 2003-04-28 2004-04-13 Method and arrangement for acoustic determination of moisture content of a gas mixture

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE0301226A SE0301226D0 (sv) 2003-04-28 2003-04-28 Acoustic Determination of Moisture Content of a Gas Mixture

Publications (1)

Publication Number Publication Date
SE0301226D0 true SE0301226D0 (sv) 2003-04-28

Family

ID=20291136

Family Applications (1)

Application Number Title Priority Date Filing Date
SE0301226A SE0301226D0 (sv) 2003-04-28 2003-04-28 Acoustic Determination of Moisture Content of a Gas Mixture

Country Status (4)

Country Link
US (1) US7063668B2 (sv)
EP (1) EP1477798B1 (sv)
JP (1) JP4286174B2 (sv)
SE (1) SE0301226D0 (sv)

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US7856737B2 (en) * 2007-08-28 2010-12-28 Mathews Company Apparatus and method for reducing a moisture content of an agricultural product
US8365724B2 (en) * 2009-12-29 2013-02-05 General Electric Company Medical vaporizer and method of control of a medical vaporizer
EP2385236B1 (en) * 2010-05-06 2018-07-18 FPT Motorenforschung AG Method and device for monitoring a humidity sensor in a combustion engine, using oxygen measurement of other sensors in the engine, such as nox, lambda and/or oxygen sensors
US8752544B2 (en) 2011-03-21 2014-06-17 General Electric Company Medical vaporizer and method of monitoring of a medical vaporizer
AU2013232848B2 (en) 2012-03-15 2018-03-22 Fisher & Paykel Healthcare Limited Respiratory gas humidification system
US10357629B2 (en) 2012-04-05 2019-07-23 Fisher & Paykel Healthcare Limited Respiratory assistance apparatus
EP2841137B1 (en) 2012-04-27 2019-12-25 Fisher & Paykel Healthcare Limited Usability features for respiratory humidification system
US20130306062A1 (en) * 2012-05-21 2013-11-21 Sensible Disaster Solutions, Llc Oxygen administration system and method
CN102980941B (zh) * 2012-11-26 2015-12-02 华南理工大学 一种利用声速变化的超声气体相对湿度检测方法及装置
GB2584025B (en) 2013-09-13 2021-03-10 Fisher & Paykel Healthcare Ltd Heater plate for a humidification system
CN108704213B (zh) 2013-09-13 2021-06-22 费雪派克医疗保健有限公司 用于加湿系统的连接
DE112014005831T5 (de) 2013-12-20 2016-09-15 Fisher & Paykel Healthcare Limited Befeuchtungssystemverbindungen
US10449319B2 (en) 2014-02-07 2019-10-22 Fisher & Paykel Healthcare Limited Respiratory humidification system
US11173272B2 (en) 2014-05-02 2021-11-16 Fisher & Paykel Healthcare Limited Gas humidification arrangement
US10709866B2 (en) 2014-05-13 2020-07-14 Fisher & Paykel Healthcare Limited Usability features for respiratory humidification system
CN110393839B (zh) 2014-05-27 2023-03-24 费雪派克医疗保健有限公司 用于医疗装置的气体混合和测量
US11324911B2 (en) 2014-06-03 2022-05-10 Fisher & Paykel Healthcare Limited Flow mixers for respiratory therapy systems
US11278689B2 (en) 2014-11-17 2022-03-22 Fisher & Paykel Healthcare Limited Humidification of respiratory gases
EP3851148A1 (en) 2015-06-24 2021-07-21 Fisher & Paykel Healthcare Limited Breathing assistance apparatus
WO2017095241A2 (en) 2015-12-02 2017-06-08 Fisher & Paykel Healthcare Limited Flow path sensing for flow therapy apparatus
SG10202106016TA (en) 2016-12-07 2021-07-29 Fisher and paykel healthcare ltd Sensing arrangements for medical devices
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
EP3985457B1 (fr) * 2020-10-16 2023-06-07 The Swatch Group Research and Development Ltd Ensemble de mesure du degre d'humidite relative a l'interieur d'un boitier de montre

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DE3215534A1 (de) * 1981-04-27 1982-11-18 Fuji Electric Co., Ltd., Kawasaki, Kanagawa Verfahren zur bestimmung des wasserdampfanteils in einem sauerstoff enthaltenden gasgemisch
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
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
US4876889A (en) * 1988-07-05 1989-10-31 Parthasarathy Shakkottai Acoustic humidity sensor
WO1992003724A1 (en) 1990-08-17 1992-03-05 The Commonwealth Industrial Gases Limited Gas analyser
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SE0103182D0 (sv) * 2001-09-25 2001-09-25 Siemens Elema Ab Förfarande för lungmekanisk undersökning och andningsapparatsystem

Also Published As

Publication number Publication date
US20040211244A1 (en) 2004-10-28
EP1477798A2 (en) 2004-11-17
EP1477798A3 (en) 2010-08-25
US7063668B2 (en) 2006-06-20
EP1477798B1 (en) 2016-11-16
JP4286174B2 (ja) 2009-06-24
JP2004325443A (ja) 2004-11-18

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