FR2250990B1 - - Google Patents

Info

Publication number
FR2250990B1
FR2250990B1 FR7436851A FR7436851A FR2250990B1 FR 2250990 B1 FR2250990 B1 FR 2250990B1 FR 7436851 A FR7436851 A FR 7436851A FR 7436851 A FR7436851 A FR 7436851A FR 2250990 B1 FR2250990 B1 FR 2250990B1
Authority
FR
France
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
Application number
FR7436851A
Other versions
FR2250990A1 (fr
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.)
Atomic Energy of Canada Ltd AECL
Original Assignee
Atomic Energy of Canada Ltd AECL
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 Atomic Energy of Canada Ltd AECL filed Critical Atomic Energy of Canada Ltd AECL
Publication of FR2250990A1 publication Critical patent/FR2250990A1/fr
Application granted granted Critical
Publication of FR2250990B1 publication Critical patent/FR2250990B1/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/0004—Gaseous mixtures, e.g. polluted air
    • G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
    • G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C13/00—Details of vessels or of the filling or discharging of vessels
    • F17C13/12—Arrangements or mounting of devices for preventing or minimising the effect of explosion ; Other safety measures
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00—Investigating fluid-tightness of structures
    • G01M3/38—Investigating fluid-tightness of structures by using light
    • 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
    • G01N21/39—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using tunable lasers
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/0004—Gaseous mixtures, e.g. polluted air
    • G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
    • G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
    • G01N33/0036—Specially adapted to detect a particular component
    • G01N33/0044—Specially adapted to detect a particular component for H2S, sulfides
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/30—Hydrogen technology
    • Y02E60/32—Hydrogen storage
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
    • Y02P90/45—Hydrogen technologies in production processes
FR7436851A 1973-11-14 1974-11-06 Expired FR2250990B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA185,825A CA1007325A (en) 1973-11-14 1973-11-14 Gas detection system

Publications (2)

Publication Number Publication Date
FR2250990A1 FR2250990A1 (fr) 1975-06-06
FR2250990B1 true FR2250990B1 (fr) 1976-10-22

Family

ID=4098399

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7436851A Expired FR2250990B1 (fr) 1973-11-14 1974-11-06

Country Status (8)

Country Link
US (1) US3925666A (fr)
CA (1) CA1007325A (fr)
CH (1) CH592934A5 (fr)
DE (1) DE2452685C3 (fr)
FR (1) FR2250990B1 (fr)
GB (2) GB1475909A (fr)
IT (1) IT1024818B (fr)
SE (1) SE7414236L (fr)

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US3963927A (en) * 1975-06-18 1976-06-15 The United States Of America As Represented By The Secretary Of Agriculture Detection of hidden insects
US4231249A (en) * 1979-03-20 1980-11-04 Sierra Labs, Inc. Apparatus and methods for monitoring concentrations of toxic substances in a work environment
EP0088760A1 (fr) * 1981-04-13 1983-09-21 AUSTRALIAN NUCLEAR SCIENCE & TECHNOLOGY ORGANISATION Mesure de la concentration de fluorure d'hydrogene gazeux
NL8503360A (nl) * 1985-12-05 1987-07-01 Tno Werkwijze voor het vaststellen van de verdeling van een gas in een ruimte, retro-reflecterend scherm voor infrarode straling en inrichting voor het met behulp van zo een scherm en een stralingsbron voor infrarode straling vaststellen van de verdeling van een gas in een ruimte.
US4795253A (en) * 1987-04-24 1989-01-03 Mobay Corporation Remote sensing gas analyzer
US4999498A (en) * 1989-06-05 1991-03-12 Mobay Corporation Remote sensing gas analyzer
US5161408A (en) * 1991-08-26 1992-11-10 Mcrae Thomas G Photo-acoustic leak detection system and method
GB2268263A (en) * 1992-06-30 1994-01-05 Ibm Input device for a visual display unit
WO1996031769A1 (fr) * 1995-04-05 1996-10-10 Brasscorp Ltd. Dispositif, systeme et procede de detection de defauts
US6177678B1 (en) 1995-04-05 2001-01-23 Brasscorp Ltd. Method and apparatus for leak detection and non-destructive testing
US5854422A (en) * 1996-07-10 1998-12-29 K-Line Industries, Inc. Ultrasonic detector
US5780724A (en) * 1997-03-27 1998-07-14 United Technologies Corp Photo-acoustic leak detector with improved signal-to-noise response
US5834632A (en) * 1997-03-27 1998-11-10 United Technologies Corporation Photo-acoustic leak detector with multiple beams
DE19744164A1 (de) * 1997-10-07 1999-04-08 Zae Bayern Bildgebendes Verfahren zur Detektion von Gasverteilungen in Echtheit
US6154307A (en) * 1998-09-18 2000-11-28 United Technologies Corporation Method and apparatus to diffract multiple beams
US6089076A (en) * 1998-09-18 2000-07-18 United Technologies Corporation System to control the power of a beam
US6542242B1 (en) * 1999-05-10 2003-04-01 University Of Washington Mapping air contaminants using path-integrated optical remote sensing with a non-overlapping variable path length beam geometry
FR2803393B1 (fr) * 1999-12-30 2002-03-15 Thomson Csf Dispositif de surveillance de colis assurant l'entreposage de dechets hautement radioactifs
WO2004027369A2 (fr) * 2002-09-19 2004-04-01 National Research Council Of Canada Procede et appareil pour detecter et localiser des fuites de gaz
EP1604182A4 (fr) * 2003-03-06 2007-09-05 Cincinnati Test Systems Inc Procede et appareil de detection d'un gaz
US7051578B2 (en) * 2003-03-06 2006-05-30 Cincinnati Test Systems, Inc. Method and apparatus for detecting a gas
US6840086B2 (en) * 2003-03-06 2005-01-11 Cincinnati Test Systems, Inc. Method and apparatus for detecting leaks
US7301148B2 (en) 2003-04-23 2007-11-27 Battelle Memorial Institute Methods and systems for remote detection of gases
US7178385B2 (en) * 2004-06-18 2007-02-20 Cincinnati Test Systems, Inc. Method and apparatus for detecting leaks
US7580127B1 (en) * 2006-07-21 2009-08-25 University Corporation For Atmospheric Research Polarization lidar for the remote detection of aerosol particle shape
US20090293211A1 (en) * 2008-05-29 2009-12-03 Marc Spungin Odor Detecting Toothbrush
KR100984020B1 (ko) * 2008-11-13 2010-09-28 한국원자력연구원 원자로 시스템의 중수누설 검지장치 및 이를 이용한 중수누설 검지방법
US7939804B2 (en) * 2008-11-26 2011-05-10 Fluke Corporation System and method for detecting gas leaks
US8184297B2 (en) 2009-12-17 2012-05-22 General Electric Company Gas mixture measurement system and methods therefor
DE102010063539A1 (de) 2010-12-20 2012-06-21 Siemens Aktiengesellschaft Klimatisierungseinrichtung
EP2503323A3 (fr) 2011-03-23 2012-12-19 Helmholtz-Zentrum Potsdam Deutsches GeoForschungsZentrum - GFZ Dispositif et procédé de mesure de la répartition spatiale de gaz atmosphériques à proximité du sol
WO2012128943A2 (fr) * 2011-03-23 2012-09-27 Halliburton Energy Services, Inc. Surveillance et détection de matériaux à l'aide d'une imagerie hyperspectrale
EP2525210B1 (fr) * 2011-05-16 2014-06-04 Sick Ag Dispositif et procédé de détermination d'une concentration d'un composant de mesure dans un gaz
WO2016069744A1 (fr) 2014-10-29 2016-05-06 Bridger Photonics, Inc. Interféromètre précis à compression de longueur d'onde synthétique
JP2018080914A (ja) * 2015-03-20 2018-05-24 コニカミノルタ株式会社 ガス位置検出装置
WO2017058901A1 (fr) 2015-09-28 2017-04-06 Ball Aerospace & Technologies Corp. Lidar à absorption différentielle
US9970756B2 (en) 2015-10-06 2018-05-15 Bridger Photonics, Inc. High-sensitivity gas-mapping 3D imager and method of operation
WO2018170478A1 (fr) 2017-03-16 2018-09-20 Bridger Photonics, Inc. Procédés et appareils lidar à onde continue modulée en fréquence, comprenant des exemples à boucles de rétroaction
US11422244B2 (en) 2017-09-25 2022-08-23 Bridger Photonics, Inc. Digitization systems and techniques and examples of use in FMCW LiDAR methods and apparatuses
WO2019070751A1 (fr) 2017-10-02 2019-04-11 Bridger Photonics, Inc. Traitement de segments temporels de fluctuations de longueur d'onde de laser et exemples d'utilisation dans des procédés et appareils de lidar à onde entretenue modulée en fréquence (fmcw)
WO2019079448A1 (fr) 2017-10-17 2019-04-25 Bridger Photonics, Inc. Appareils et procédés de réflecteur optique rotatif
US11112308B2 (en) 2017-11-14 2021-09-07 Bridger Photonics, Inc. Apparatuses and methods for anomalous gas concentration detection
US10921245B2 (en) 2018-06-08 2021-02-16 Ball Aerospace & Technologies Corp. Method and systems for remote emission detection and rate determination
CN109514250B (zh) * 2018-12-18 2020-09-15 中化二建集团有限公司 储罐网壳提升中心定位及防变形装置、施工方法
KR20210059375A (ko) * 2019-11-15 2021-05-25 한국생산기술연구원 저장탱크 누출가스 검출장치

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2594122A (en) * 1949-05-10 1952-04-22 Research Corp Photocell-filter combination
US2769374A (en) * 1951-10-19 1956-11-06 Sick Erwin Electrical light screen
US2930893A (en) * 1956-05-21 1960-03-29 Lane B Carpenter Long path infrared detection of atmospheric contaminants
DE2133080C3 (de) * 1971-07-02 1974-10-17 Siemens Ag, 1000 Berlin Und 8000 Muenchen System zur optischen Kontrolle von Luftverunreinigungen in einem Großraum

Also Published As

Publication number Publication date
US3925666A (en) 1975-12-09
DE2452685A1 (de) 1975-10-02
DE2452685C3 (de) 1978-04-06
GB1475910A (en) 1977-06-10
FR2250990A1 (fr) 1975-06-06
CA1007325A (en) 1977-03-22
IT1024818B (it) 1978-07-20
SE7414236L (fr) 1975-05-15
GB1475909A (en) 1977-06-10
CH592934A5 (fr) 1977-11-15
DE2452685B2 (de) 1977-07-28

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Legal Events

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ST Notification of lapse