ES8608680A1 - Procedimiento y dispositivo para la deteccion de gases re- ductores en una mezcla de gases - Google Patents
Procedimiento y dispositivo para la deteccion de gases re- ductores en una mezcla de gasesInfo
- Publication number
- ES8608680A1 ES8608680A1 ES542648A ES542648A ES8608680A1 ES 8608680 A1 ES8608680 A1 ES 8608680A1 ES 542648 A ES542648 A ES 542648A ES 542648 A ES542648 A ES 542648A ES 8608680 A1 ES8608680 A1 ES 8608680A1
- Authority
- ES
- Spain
- Prior art keywords
- gas
- investigated
- reducing gases
- gas mixture
- 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
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
- G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
- G01N27/12—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a solid body in dependence upon absorption of a fluid; of a solid body in dependence upon reaction with a fluid, for detecting components in the fluid
- G01N27/122—Circuits particularly adapted therefor, e.g. linearising circuits
- G01N27/123—Circuits particularly adapted therefor, e.g. linearising circuits for controlling the temperature
- G01N27/124—Circuits particularly adapted therefor, e.g. linearising circuits for controlling the temperature varying the temperature, e.g. in a cyclic manner
Landscapes
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Electrochemistry (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
- Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)
Abstract
DISPOSITIVO DE DETECCION DE GASES REDUCTORES COMPRENDIDOS EN UNA MEZCLA DE GASES. INCLUYE: UNA CAMARA DE MEDICION (7) CON VALVULA DE MEMBRANA AUTOESTANQUEIZANTE (161) Y UN SENSOR DE GASES (11) DE MATERIAL SEMICONDUCTOR DOTADO DE UN ORGANO CALEFACTOR (10); UNA CAMARA DE MOVIMIENTO DE GASES (160) CON CUATRO VALVULAS DE MEMBRANA AUTOESTANQUEIZANTE (162, 163, 164, 165), Y UN GENERADOR DE MOVIMIENTO DE LOS GASES (4) QUE SUSTITUYE LA MUESTRA DE GASES EXAMINADA (170) POR LA DE MUESTRA (180) Y LA EXPULSA POR LA ABERTURA (91); UN ACTIVADOR (55) DEL GENERADOR DE MOVIMIENTO (4); UNA FUENTE ENERGETICA (95) PARA EL CALENTADOR (10); Y UN CIRCUITO DE EVALUACION. SE UTILIZA EN PROTECCION DE AMBIENTES EN LOS QUE EXISTA PELIGRO DE CONTAMINACION, EXPLOSION O INCENDIO.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH1699/84A CH668648A5 (de) | 1984-04-04 | 1984-04-04 | Verfahren und vorrichtung zum nachweis von reduzierenden gasen in einem gasgemisch. |
Publications (2)
Publication Number | Publication Date |
---|---|
ES542648A0 ES542648A0 (es) | 1986-06-16 |
ES8608680A1 true ES8608680A1 (es) | 1986-06-16 |
Family
ID=4216531
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES542648A Expired ES8608680A1 (es) | 1984-04-04 | 1985-04-03 | Procedimiento y dispositivo para la deteccion de gases re- ductores en una mezcla de gases |
Country Status (5)
Country | Link |
---|---|
US (1) | US4627269A (es) |
EP (1) | EP0157237A2 (es) |
JP (1) | JPS60228950A (es) |
CH (1) | CH668648A5 (es) |
ES (1) | ES8608680A1 (es) |
Families Citing this family (46)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4742763A (en) * | 1985-04-23 | 1988-05-10 | Heinz Holter | Device for the detection of noxious substances in the air supplied to a compartment occupied by people |
BR8606641A (pt) * | 1985-04-23 | 1987-08-04 | Hoelter H | Dispositivo para o registro de substancias nocivas no ar,introduzido em uma cabine,destinada a permanencia de pessoas |
GB2175399B (en) * | 1985-05-20 | 1989-10-11 | Us Energy | Selective chemical detection by energy modulation of sensors |
DE3519410A1 (de) * | 1985-05-30 | 1986-12-04 | Siemens AG, 1000 Berlin und 8000 München | Betriebsverfahren und sensor fuer gasanalyse |
DE3700460A1 (de) * | 1987-01-09 | 1988-07-21 | Draegerwerk Ag | Nachweisgeraet fuer gase mit einer waehrend der messung vom probenraum absperrbaren diffusionsmesskammer |
US4890478A (en) * | 1987-09-11 | 1990-01-02 | Westinghouse Electric Corp. | Gas-in-oil monitoring apparatus and method |
DE3819101A1 (de) * | 1988-06-04 | 1989-12-07 | Conducta Mess & Regeltech | Verfahren und vorrichtung zur messwertverarbeitung |
US4893108A (en) * | 1988-06-24 | 1990-01-09 | The United States Of America As Represented By The Secretary Of The Air Force | Halogen detection with solid state sensor |
GB8924889D0 (en) * | 1989-11-03 | 1989-12-20 | Neotronics Technology Plc | Combustible gas detection |
US5448905A (en) * | 1993-11-26 | 1995-09-12 | Transducer Research, Inc. | Solid-state chemical sensor apparatus and methods |
US5898101A (en) * | 1995-07-27 | 1999-04-27 | Motorola, Inc. | Method of operating chemical sensors |
US5863803A (en) * | 1996-12-20 | 1999-01-26 | Ford Global Technologies, Inc. | Method and apparatus for modulating a gas sample for a calorimetric gas sensor |
US6131438A (en) * | 1996-12-20 | 2000-10-17 | Ford Global Technologies, Inc. | Method of operating a calorimetric gas sensor |
US5823044A (en) * | 1997-04-30 | 1998-10-20 | Ford Global Technologies, Inc. | Method for selective gas sensors based on nonlinear gas reactions |
US5831145A (en) * | 1997-04-30 | 1998-11-03 | Ford Global Technologies, Inc. | Method of introducing selectivity to nonselective gas sensors |
US6128945A (en) * | 1997-09-03 | 2000-10-10 | Figaro Engineering Inc. | Gas detecting method and its detector |
US6095681A (en) * | 1998-07-28 | 2000-08-01 | The United States Of America As Represented By The Secretary Of Commerce | Method for operating a sensor to differentiate between analytes in a sample |
GB9819228D0 (en) * | 1998-09-03 | 1998-10-28 | Capteur Sensors & Analysers | Semiconductor gas sensor of ozone |
US6205843B1 (en) * | 1998-11-16 | 2001-03-27 | Denso Corporation | Gas sensing element and a method for measuring a specific gas concentration |
DE19856414C2 (de) * | 1998-12-08 | 2001-03-29 | Karlsruhe Forschzent | Gasanalysegerät |
DE19924906C2 (de) * | 1999-05-31 | 2001-05-31 | Daimler Chrysler Ag | Halbleiter-Gassensor, Gassensorsystem und Verfahren zur Gasanalyse |
GB9926174D0 (en) * | 1999-11-04 | 2000-01-12 | Capteur Sensors & Analysers | Gas sensors |
FI107840B (fi) * | 1999-12-09 | 2001-10-15 | Vaisala Oyj | Mittausmenetelmä ja järjestelmä kosteus- tai kaasuanturia varten |
US6298291B1 (en) | 1999-12-22 | 2001-10-02 | Visteon Global Technologies, Inc. | Method of establishing baseline filter for air quality |
US6879936B2 (en) * | 2002-01-09 | 2005-04-12 | Fisher Controls International Llc | Diagnostic apparatus and methods for a chemical detection system |
US7022992B2 (en) * | 2002-01-17 | 2006-04-04 | American Air Liquide, Inc. | Method and apparatus for real-time monitoring of furnace flue gases |
JP4267570B2 (ja) * | 2002-05-14 | 2009-05-27 | 本田技研工業株式会社 | ヒータ内蔵型ガスセンサの作動開始方法および作動停止方法 |
CA2537561A1 (en) * | 2005-02-25 | 2006-08-25 | Dani Instruments S.P.A. | Electric device for determining aeriform substances |
DE102007034415A1 (de) * | 2007-07-20 | 2009-01-22 | Windmöller & Hölscher Kg | Foliendickensensor mit porösem Bläser |
US8596108B2 (en) * | 2007-10-01 | 2013-12-03 | Scott Technologies, Inc. | Gas measuring device and method of operating the same |
US20130126508A1 (en) * | 2011-11-17 | 2013-05-23 | Texas Instruments Incorporated | Extending Radiation Tolerance By Localized Temperature Annealing Of Semiconductor Devices |
TWI445958B (zh) | 2012-02-09 | 2014-07-21 | Ind Tech Res Inst | 氣體檢測系統、裝置及方法 |
EP2762868B1 (en) * | 2013-01-31 | 2017-03-15 | Sensirion AG | Diffusion based metal oxide gas sensor |
JP2014178199A (ja) * | 2013-03-14 | 2014-09-25 | Fuji Electric Co Ltd | 薄膜式ガスセンサ及びその検査方法 |
US10041898B2 (en) * | 2015-12-01 | 2018-08-07 | International Business Machines Corporation | 3D micro and nanoheater design for ultra-low power gas sensors |
US10234412B2 (en) * | 2016-11-04 | 2019-03-19 | Msa Technology, Llc | Identification of combustible gas species via pulsed operation of a combustible gas sensor |
US10948469B2 (en) | 2017-05-17 | 2021-03-16 | Msa Technology, Llc | Dynamic comparative diagnostics for catalytic structures and combustible gas sensors including catalytic structures |
US10627379B2 (en) | 2017-05-17 | 2020-04-21 | Msa Technology, Llc | Comparative diagnostics for catalytic structures and combustible gas sensors including catalytic structures |
DE102017005713A1 (de) * | 2017-06-19 | 2018-12-20 | Dräger Safety AG & Co. KGaA | Katalytischer Gassensor für brennbare Gase |
DE102018005318A1 (de) | 2018-07-05 | 2020-01-09 | Dräger Safety AG & Co. KGaA | Verfahren und System zum Sensieren eines Gases, Steuerungseinrichtung mit einer Implementation des Verfahrens |
US10900922B2 (en) | 2018-07-17 | 2021-01-26 | Msa Technology, Llc | Power reduction in combustible gas sensors |
US11543396B2 (en) | 2019-06-11 | 2023-01-03 | Msa Technology, Llc | Gas sensor with separate contaminant detection element |
US11268923B2 (en) | 2019-06-11 | 2022-03-08 | Msa Technology, Llc | Sensor for compositions which deposit upon a surface from a gaseous matrix |
US11703473B2 (en) | 2019-12-11 | 2023-07-18 | Msa Technology, Llc | Operation of combustible gas sensor in a dynamic mode with a constant resistance setpoint |
DE102022118431A1 (de) * | 2022-07-22 | 2024-01-25 | Inficon Gmbh | Schnüffellecksuchvorrichtung mit Halbleitergassensor sowie Verfahren zur Schnüffellecksuche |
WO2024024403A1 (ja) * | 2022-07-29 | 2024-02-01 | パナソニックIpマネジメント株式会社 | ガス検出方法及びガス検出システム |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2899282A (en) * | 1954-11-19 | 1959-08-11 | Means for measuring the contents of a combustible | |
US3180132A (en) * | 1962-03-12 | 1965-04-27 | Barton Instr Corp | Method for calibrating microanalytical instruments and apparatus therefor |
DE2313413C3 (de) * | 1973-03-17 | 1978-03-02 | Westfaelische Berggewerkschaftskasse, 4630 Bochum | Verfahren und Meßgerät zur Bestimmung des Anteils eines oder mehrerer Gaskomponenten in einem Gasgemisch, insbesondere des CO-Gehaltes und/oder des CH4 -Gehaltes im Untertagebetrieb |
EP0075101A3 (de) * | 1981-09-22 | 1985-12-04 | Cerberus Ag | Verfahren und Vorrichtung zur Reduzierung von durch Störgase hervorgerufenen Falschalarmen in Gaswarnanlagen |
US4399684A (en) * | 1981-11-27 | 1983-08-23 | Sierra Monitor Corporation | Gas measurement method |
EP0092068B1 (de) * | 1982-04-15 | 1986-06-11 | Cerberus Ag | Alarmanlage für Gase und/oder Dämpfe |
-
1984
- 1984-04-04 CH CH1699/84A patent/CH668648A5/de not_active IP Right Cessation
-
1985
- 1985-03-12 EP EP85102809A patent/EP0157237A2/de not_active Withdrawn
- 1985-03-18 US US06/712,682 patent/US4627269A/en not_active Expired - Fee Related
- 1985-04-03 ES ES542648A patent/ES8608680A1/es not_active Expired
- 1985-04-04 JP JP60070154A patent/JPS60228950A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
US4627269A (en) | 1986-12-09 |
CH668648A5 (de) | 1989-01-13 |
JPS60228950A (ja) | 1985-11-14 |
ES542648A0 (es) | 1986-06-16 |
EP0157237A2 (de) | 1985-10-09 |
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