DE69802161D1 - Optische Vorrichtung zur in-situ-Detektion von Spuren gasförmigen Wasserstoffs in einer Tieftemperaturumgebung - Google Patents

Optische Vorrichtung zur in-situ-Detektion von Spuren gasförmigen Wasserstoffs in einer Tieftemperaturumgebung

Info

Publication number
DE69802161D1
DE69802161D1 DE69802161T DE69802161T DE69802161D1 DE 69802161 D1 DE69802161 D1 DE 69802161D1 DE 69802161 T DE69802161 T DE 69802161T DE 69802161 T DE69802161 T DE 69802161T DE 69802161 D1 DE69802161 D1 DE 69802161D1
Authority
DE
Germany
Prior art keywords
traces
low
optical device
temperature environment
gaseous hydrogen
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
DE69802161T
Other languages
English (en)
Other versions
DE69802161T2 (de
Inventor
Xavier Bevenot
Michel Clement
Henri Gagnaire
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.)
Safran Aircraft Engines SAS
Original Assignee
Societe Nationale dEtude et de Construction de Moteurs dAviation SNECMA
SNECMA SAS
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 Societe Nationale dEtude et de Construction de Moteurs dAviation SNECMA, SNECMA SAS filed Critical Societe Nationale dEtude et de Construction de Moteurs dAviation SNECMA
Publication of DE69802161D1 publication Critical patent/DE69802161D1/de
Application granted granted Critical
Publication of DE69802161T2 publication Critical patent/DE69802161T2/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
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/75—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
    • G01N21/77—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator
    • G01N21/7703—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator using reagent-clad optical fibres or optical waveguides
    • 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—General constructional details of gas analysers, e.g. portable test equipment concerning the detector specially adapted to detect a particular component
    • G01N33/005—H2
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/241—Light guide terminations
    • 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
    • G01N21/75—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
    • G01N21/77—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator
    • G01N21/7703—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator using reagent-clad optical fibres or optical waveguides
    • G01N2021/7706—Reagent provision
    • G01N2021/772—Tip coated light guide
    • 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
    • G01N21/75—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
    • G01N21/77—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator
    • G01N2021/7769—Measurement method of reaction-produced change in sensor
    • G01N2021/7773—Reflection

Landscapes

  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Medicinal Chemistry (AREA)
  • Food Science & Technology (AREA)
  • Combustion & Propulsion (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Plasma & Fusion (AREA)
  • Optics & Photonics (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
DE69802161T 1997-12-29 1998-12-29 Optische Vorrichtung zur in-situ-Detektion von Spuren gasförmigen Wasserstoffs in einer Tieftemperaturumgebung Expired - Fee Related DE69802161T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9716614A FR2773221B1 (fr) 1997-12-29 1997-12-29 Dispositif optique de detection in situ de traces d'hydrogene gazeux dans un environnement a temperatures cryogeniques

Publications (2)

Publication Number Publication Date
DE69802161D1 true DE69802161D1 (de) 2001-11-29
DE69802161T2 DE69802161T2 (de) 2002-07-04

Family

ID=9515224

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69802161T Expired - Fee Related DE69802161T2 (de) 1997-12-29 1998-12-29 Optische Vorrichtung zur in-situ-Detektion von Spuren gasförmigen Wasserstoffs in einer Tieftemperaturumgebung

Country Status (4)

Country Link
US (1) US6185344B1 (de)
EP (1) EP0927882B1 (de)
DE (1) DE69802161T2 (de)
FR (1) FR2773221B1 (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7306951B1 (en) * 1999-06-08 2007-12-11 Midwest Research Institute Method and apparatus for determining diffusible hydrogen concentrations
EP1234167A4 (de) * 1999-11-18 2005-06-29 Mst Technology Gmbh Optischer detektor für wasserstoff
US6913933B2 (en) 2001-12-03 2005-07-05 Ortho-Clinical Diagnostics, Inc. Fluid dispensing algorithm for a variable speed pump driven metering system
ES2222797B1 (es) * 2003-03-28 2005-11-01 Univesitat De Valencia Estudi General Sensor de hidrogeno de fibra optica.
ES2228270B1 (es) * 2003-09-18 2005-12-16 INSTITUTO NACIONAL DE TECNICA AEROESPACIAL "ESTEBAN TERRADAS" Detector de hidrogeno.
US7233034B2 (en) * 2005-08-19 2007-06-19 Midwest Research Institute Hydrogen permeable protective coating for a catalytic surface
WO2007117156A1 (en) * 2006-04-07 2007-10-18 Nano Cluster Devices Limited Temperature modulated hydrogen sensing
US7792392B2 (en) * 2006-12-09 2010-09-07 University of Pittsburgh—of the Commonwealth System of Higher Education Fiber optic gas sensor
CN104007086A (zh) * 2014-06-11 2014-08-27 潘国新 光纤氢气传感器
CN103994985B (zh) * 2014-06-12 2017-03-15 宁波市智能制造产业研究院 光纤氢气传感器及其制作方法
WO2015188362A1 (zh) * 2014-06-12 2015-12-17 潘国新 光纤氢气传感器及其制作方法

Also Published As

Publication number Publication date
US6185344B1 (en) 2001-02-06
EP0927882A1 (de) 1999-07-07
FR2773221A1 (fr) 1999-07-02
EP0927882B1 (de) 2001-10-24
DE69802161T2 (de) 2002-07-04
FR2773221B1 (fr) 2000-03-24

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Legal Events

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