FR2712390B1 - Dispositif de détection de gaz par absorption infrarouge. - Google Patents
Dispositif de détection de gaz par absorption infrarouge.Info
- Publication number
- FR2712390B1 FR2712390B1 FR9313498A FR9313498A FR2712390B1 FR 2712390 B1 FR2712390 B1 FR 2712390B1 FR 9313498 A FR9313498 A FR 9313498A FR 9313498 A FR9313498 A FR 9313498A FR 2712390 B1 FR2712390 B1 FR 2712390B1
- Authority
- FR
- France
- Prior art keywords
- detection device
- infrared absorption
- gas detection
- infrared
- gas
- 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
Links
- 238000010521 absorption reaction Methods 0.000 title 1
- 238000001514 detection method Methods 0.000 title 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
- G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
- G01N21/3504—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing gases, e.g. multi-gas analysis
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/85—Investigating moving fluids or granular solids
- G01N2021/8578—Gaseous flow
- G01N2021/8585—Gaseous flow using porous sheets, e.g. for separating aerosols
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2201/00—Features of devices classified in G01N21/00
- G01N2201/06—Illumination; Optics
- G01N2201/061—Sources
- G01N2201/06186—Resistance heated; wire sources; lamelle sources
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2201/00—Features of devices classified in G01N21/00
- G01N2201/06—Illumination; Optics
- G01N2201/069—Supply of sources
- G01N2201/0696—Pulsed
Landscapes
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9313498A FR2712390B1 (fr) | 1993-11-12 | 1993-11-12 | Dispositif de détection de gaz par absorption infrarouge. |
EP95900819A EP0679249A1 (fr) | 1993-11-12 | 1994-11-09 | Dispositif de detection de gaz par absorption infrarouge |
PCT/FR1994/001310 WO1995013528A1 (fr) | 1993-11-12 | 1994-11-09 | Dispositif de detection de gaz par absorption infrarouge |
US08/464,723 US5608219A (en) | 1993-11-12 | 1995-06-27 | Device for detecting gas by infrared absorption |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9313498A FR2712390B1 (fr) | 1993-11-12 | 1993-11-12 | Dispositif de détection de gaz par absorption infrarouge. |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2712390A1 FR2712390A1 (fr) | 1995-05-19 |
FR2712390B1 true FR2712390B1 (fr) | 1996-02-09 |
Family
ID=9452779
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR9313498A Expired - Fee Related FR2712390B1 (fr) | 1993-11-12 | 1993-11-12 | Dispositif de détection de gaz par absorption infrarouge. |
Country Status (4)
Country | Link |
---|---|
US (1) | US5608219A (fr) |
EP (1) | EP0679249A1 (fr) |
FR (1) | FR2712390B1 (fr) |
WO (1) | WO1995013528A1 (fr) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5936250A (en) * | 1997-07-24 | 1999-08-10 | General Monitors, Incorporated | Ultraviolet toxic gas point detector |
US6155160A (en) * | 1998-06-04 | 2000-12-05 | Hochbrueckner; Kenneth | Propane detector system |
US6825471B1 (en) | 1999-03-08 | 2004-11-30 | Gasbeetle | Gas detector and method of operating a gas detector |
DE19922590C2 (de) * | 1999-03-08 | 2001-10-18 | Inst Chemo Biosensorik | Infrarot-Gassensor und Verfahren zum Betreiben des Infrarot-Gassensors |
US6237575B1 (en) | 1999-04-08 | 2001-05-29 | Engelhard Corporation | Dynamic infrared sensor for automotive pre-vaporized fueling control |
SE0001732L (sv) * | 2000-05-10 | 2001-11-11 | Medair Ab | Gaskänslig sensorenhet |
CA2462768A1 (fr) * | 2001-10-02 | 2003-07-10 | Trustees Of Tufts College | Polymeres a auto-assemblage, et matieres ainsi fabriquees |
DE10221708B4 (de) * | 2002-05-16 | 2004-09-30 | Infratec Gmbh Infrarotsensorik Und Messtechnik | Verfahren zur Bestimmung der Konzentration von Gasen und Dämpfen und nichtdispersiver Infrarot-Gasanalysator zur Durchführung des Verfahrens |
US7301148B2 (en) * | 2003-04-23 | 2007-11-27 | Battelle Memorial Institute | Methods and systems for remote detection of gases |
DE102004028077A1 (de) * | 2004-06-09 | 2005-12-29 | Tyco Electronics Raychem Gmbh | Gassensoranordnung mit verkürzter Einschwingzeit |
WO2007064370A2 (fr) * | 2005-08-04 | 2007-06-07 | Airware Inc. | Detecteurs de gaz ndir extremement economiques |
US8421035B2 (en) * | 2006-08-11 | 2013-04-16 | The Regents Of The University Of California | High-resolution microscope using optical amplification |
US8253942B2 (en) * | 2007-09-27 | 2012-08-28 | Scott Technologies, Inc. | Optical gas detector |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1398977A (en) * | 1971-10-07 | 1975-06-25 | Emi Ltd | Gas detector |
JPS61202057U (fr) * | 1985-06-06 | 1986-12-18 | ||
US4749276A (en) * | 1986-01-23 | 1988-06-07 | Mcdonnell Douglas Corporation | Long path absorption cell |
US4709150A (en) * | 1986-03-18 | 1987-11-24 | Burough Irvin G | Method and apparatus for detecting gas |
ES2047780T3 (es) * | 1989-08-18 | 1994-03-01 | Preussag Ag Minimax | Procedimiento y dispositivo para la identificacion de situaciones de peligro en un local. |
US5103096A (en) * | 1989-09-06 | 1992-04-07 | Gaztech Corporation | Rapid fire detector |
US5060508A (en) * | 1990-04-02 | 1991-10-29 | Gaztech Corporation | Gas sample chamber |
US5026992A (en) * | 1989-09-06 | 1991-06-25 | Gaztech Corporation | Spectral ratioing technique for NDIR gas analysis using a differential temperature source |
US5053754A (en) * | 1990-04-02 | 1991-10-01 | Gaztech Corporation | Simple fire detector |
US5070244A (en) * | 1990-05-07 | 1991-12-03 | The University Of Sydney | Gas detection by infrared absorption |
US5340986A (en) * | 1991-11-18 | 1994-08-23 | Gaztech International Corporation | Diffusion-type gas sample chamber |
US5384640A (en) * | 1993-01-19 | 1995-01-24 | Gaztech International Corporation | Gas sample chamber for use with a source of coherent radiation |
US5464983A (en) * | 1994-04-05 | 1995-11-07 | Industrial Scientific Corporation | Method and apparatus for determining the concentration of a gas |
US5453620A (en) * | 1994-08-12 | 1995-09-26 | Texas Instruments Incorporated | Nondispersive infrared gas analyzer and gas sample chamber used therein |
US5475222A (en) * | 1994-12-05 | 1995-12-12 | Detector Electronics Corporation | Ruggedized gas detector |
-
1993
- 1993-11-12 FR FR9313498A patent/FR2712390B1/fr not_active Expired - Fee Related
-
1994
- 1994-11-09 EP EP95900819A patent/EP0679249A1/fr not_active Withdrawn
- 1994-11-09 WO PCT/FR1994/001310 patent/WO1995013528A1/fr not_active Application Discontinuation
-
1995
- 1995-06-27 US US08/464,723 patent/US5608219A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
WO1995013528A1 (fr) | 1995-05-18 |
EP0679249A1 (fr) | 1995-11-02 |
FR2712390A1 (fr) | 1995-05-19 |
US5608219A (en) | 1997-03-04 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE69007291D1 (de) | Infrarot-gasdetektor. | |
NL194525B (nl) | Stralingsdetectie-inrichting. | |
EP0449573A3 (en) | Gas detection device | |
FR2712390B1 (fr) | Dispositif de détection de gaz par absorption infrarouge. | |
FR2704419B1 (fr) | Dispositif par la lithotritie. | |
DE69111012D1 (de) | Gasfeuerzeug mit Sicherheitsvorrichtung. | |
DE68915585D1 (de) | Infrarot-Gasanalysator. | |
FR2747192B1 (fr) | Dispositif de detection de gaz a distance comportant un microlaser | |
DE69222124D1 (de) | Gasfeuerzeug mit Sicherheitsvorrichtung | |
KR950700535A (ko) | 가스검출장치 | |
FR2718852B1 (fr) | Dispositif de détection à distance de rayonnement. | |
FR2651315B1 (fr) | Dispositif de detection infra-rouge. | |
GB9203013D0 (en) | Infra-red absorption gas detector | |
FR2734888B1 (fr) | Dispositif de securite et torche equipee de ce dispositif. | |
FR2673280B1 (fr) | Dispositif de surete. | |
AU7612291A (en) | Gas detection by infrared absorption | |
FR2702739B1 (fr) | Dispositif de bouchage a orientation rapide. | |
EP0629851A3 (fr) | Dispositif pour analyse de traces de gaz par spectroscopie d'absorption. | |
FR2691062B1 (fr) | Dispositif cryogenique portable. | |
FR2707385B1 (fr) | Dispositif de camouflage. | |
FR2703435B1 (fr) | Dispositif de transport pour bouteille de gaz. | |
FR2692966B1 (fr) | Dispositif de rechauffage par combustion de gaz chauds. | |
FR2703434B1 (fr) | Dispositif de protection pour bouteille de gaz. | |
ES1026745Y (es) | Dispositivo detector de gas. | |
EP0599541A3 (en) | Infrared gas analyzer. |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |