FR2287698B1 - - Google Patents

Info

Publication number
FR2287698B1
FR2287698B1 FR7530810A FR7530810A FR2287698B1 FR 2287698 B1 FR2287698 B1 FR 2287698B1 FR 7530810 A FR7530810 A FR 7530810A FR 7530810 A FR7530810 A FR 7530810A FR 2287698 B1 FR2287698 B1 FR 2287698B1
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
FR7530810A
Other languages
French (fr)
Other versions
FR2287698A1 (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.)
Dictaphone Corp
Original Assignee
Dictaphone Corp
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 Dictaphone Corp filed Critical Dictaphone Corp
Publication of FR2287698A1 publication Critical patent/FR2287698A1/fr
Application granted granted Critical
Publication of FR2287698B1 publication Critical patent/FR2287698B1/fr
Granted legal-status Critical Current

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
    • G01N27/14—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of an electrically-heated body in dependence upon change of temperature
    • G01N27/16—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of an electrically-heated body in dependence upon change of temperature caused by burning or catalytic oxidation of surrounding material to be tested, e.g. of gas

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (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)
FR7530810A 1974-10-09 1975-10-08 Element resistif pour analyse de gaz et son procede de realisation Granted FR2287698A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/513,418 US3959764A (en) 1974-10-09 1974-10-09 Gas analyzing element

Publications (2)

Publication Number Publication Date
FR2287698A1 FR2287698A1 (fr) 1976-05-07
FR2287698B1 true FR2287698B1 (cg-RX-API-DMAC7.html) 1981-09-18

Family

ID=24043180

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7530810A Granted FR2287698A1 (fr) 1974-10-09 1975-10-08 Element resistif pour analyse de gaz et son procede de realisation

Country Status (4)

Country Link
US (2) US3959764A (cg-RX-API-DMAC7.html)
DE (1) DE2543024C2 (cg-RX-API-DMAC7.html)
FR (1) FR2287698A1 (cg-RX-API-DMAC7.html)
GB (1) GB1501888A (cg-RX-API-DMAC7.html)

Families Citing this family (43)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1549640A (en) * 1976-07-06 1979-08-08 English Electric Valve Co Ltd Combustible-gas detectors
JPS5395097A (en) * 1977-01-31 1978-08-19 Toshiba Corp Gas-sensitive element
GB1556339A (en) * 1977-08-25 1979-11-21 English Electric Valve Co Ltd Combustible gas detectors
DE2740158A1 (de) * 1977-09-02 1979-03-15 Auergesellschaft Gmbh Katalytisch inaktives gasspuerelement und verfahren zu dessen herstellung
US4138881A (en) * 1978-02-01 1979-02-13 Westinghouse Electric Corp. Resistor-type solid electrolyte oxygen sensor
US4205249A (en) * 1978-02-21 1980-05-27 General Electric Company Electrode structure for halogen leak detector
BE45T1 (fr) * 1978-03-08 1980-03-14 British Gas Corp Detecteur catalytique de gaz et son procede de realisation
JPS5613745U (cg-RX-API-DMAC7.html) * 1979-07-12 1981-02-05
CA1164944A (en) * 1980-01-02 1984-04-03 International Gas Detectors Limited Gas sensor elements and methods of manufacturing them
DE3122662A1 (de) * 1980-06-11 1982-04-01 Mine Safety Appliances Co. Ltd., Reading, Berkshire Elektrisch heizbares element und verfahren zu seiner herstellung
GB2083630B (en) * 1980-09-05 1984-01-18 Nat Res Dev Catalytic combustible gas sensors
US4423407A (en) * 1981-02-27 1983-12-27 Dart Industries Inc. Apparatus and method for measuring the concentration of gases
US4502321A (en) * 1981-02-27 1985-03-05 Capital Controls Apparatus and method for measuring the concentration of gases
GB2096321B (en) * 1981-04-04 1984-05-31 English Electric Valve Co Ltd Combustible-gas detectors
US4447397A (en) * 1982-08-05 1984-05-08 Bacharach Instrument Company Catalytic gas sensor
US4916935A (en) * 1983-11-09 1990-04-17 Bacharach, Inc. Low power solid state gas sensor with linear output and method of making the same
US4560585A (en) * 1983-12-23 1985-12-24 Rexnord Inc. Poison resistant combustible gas sensor
US5269175A (en) * 1984-04-06 1993-12-14 Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. Sensor for investigating liquids
JPH0517650Y2 (cg-RX-API-DMAC7.html) * 1986-01-31 1993-05-12
DE3780560T2 (de) * 1986-10-28 1992-12-10 Figaro Eng Fuehler und verfahren zu dessen herstellung.
DE3723052A1 (de) * 1987-07-11 1989-01-19 Kernforschungsz Karlsruhe Herstellung von inerten, katalytisch wirksamen oder gassensitiven keramikschichten fuer gassensoren
JPH0637325Y2 (ja) * 1989-05-15 1994-09-28 日本碍子株式会社 酸素センサ
DE4125373A1 (de) * 1991-07-31 1993-02-04 Siemens Ag Sensorschlauch zur ueberwachung eines mediums
DE4317568C2 (de) * 1993-05-26 1997-09-11 Fraunhofer Ges Forschung Wasserstoff-Sensor
EP0711410B1 (en) * 1993-07-06 1997-03-26 International Business Machines Corporation Calorimetric sensor
US5428988A (en) * 1993-12-13 1995-07-04 Trw Vehicle Safety Systems Inc. Leak detector for gas air bag inflator
US5498548A (en) * 1994-07-27 1996-03-12 Hewlett-Packard Co. Thermionic ionization detector with radiant heater assembly
US5521098A (en) * 1994-07-27 1996-05-28 Hewlett-Packard Company Thermionic ionization detector with flow-through thermionic source
US5948965A (en) * 1996-05-01 1999-09-07 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Solid state carbon monoxide sensor
US5997831A (en) * 1996-07-12 1999-12-07 Engelhard Corporation Method of catalytically treating the atmosphere and heat exchange devices produced thereby
US5779980A (en) * 1997-01-16 1998-07-14 Cts Corporation Gas sensor having a compounded catalytic structure
US6117393A (en) * 1997-01-16 2000-09-12 Cts Corporation Multilayered gas sensor
AUPP293098A0 (en) * 1998-04-09 1998-05-07 Email Limited Gas meter incorporating calorific measurement
US20030180445A1 (en) * 2002-03-21 2003-09-25 Industrial Scientific Corporation Method for forming a catalytic bead sensor
RU2333477C2 (ru) * 2004-05-24 2008-09-10 Алексей Васильевич Рязанов Чувствительный элемент газоанализатора
US7418855B2 (en) * 2004-09-03 2008-09-02 Honda Motor Co., Ltd. Gas sensor and control method therefor
JP4580405B2 (ja) * 2007-03-30 2010-11-10 エフアイエス株式会社 水素ガスセンサ
CN100554954C (zh) * 2007-06-07 2009-10-28 上海交通大学 催化燃烧式传感器敏感体自组装成型制造方法
US7670046B2 (en) * 2007-06-18 2010-03-02 Iliya Mitov Filled hotwire elements and sensors for thermal conductivity detectors
EP2017003A1 (en) * 2007-07-20 2009-01-21 Pall Corporation Catalytic element
JP5959101B2 (ja) * 2012-08-02 2016-08-02 理研計器株式会社 水素選択性ガスセンサ
DE102014018681B3 (de) * 2014-12-18 2015-10-29 Dräger Safety AG & Co. KGaA Gassensor und Verfahren zur Herstellung eines Messelementes
US12013363B2 (en) 2018-12-03 2024-06-18 Carrier Corporation Combustible gas sensor

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2416864A (en) * 1944-08-22 1947-03-04 Du Pont Method of coating wire-wound electrical resistors
US3092799A (en) * 1958-02-18 1963-06-04 Nat Res Dev Apparatus for detecting combustible gases having an electrically conductive member enveloped in a refractory material
US3029360A (en) * 1958-04-29 1962-04-10 Rca Corp Heater wire coating process
US3138948A (en) * 1960-09-13 1964-06-30 Engelhard Ind Inc Hydrogen measuring system
US3450565A (en) * 1964-12-18 1969-06-17 Sylvania Electric Prod Method of coating heater coils
US3586486A (en) * 1968-02-23 1971-06-22 Bosch Arma Corp Gas analyzer
US3564474A (en) * 1968-06-04 1971-02-16 Nat Res Dev Electrically heatable elements

Also Published As

Publication number Publication date
US3959764A (en) 1976-05-25
DE2543024A1 (de) 1976-04-22
DE2543024C2 (de) 1986-04-17
US4068021A (en) 1978-01-10
GB1501888A (en) 1978-02-22
FR2287698A1 (fr) 1976-05-07

Similar Documents

Publication Publication Date Title
AU495841B2 (cg-RX-API-DMAC7.html)
AU7459374A (cg-RX-API-DMAC7.html)
AR199089A1 (cg-RX-API-DMAC7.html)
AU474179B2 (cg-RX-API-DMAC7.html)
AU495898B2 (cg-RX-API-DMAC7.html)
AU7474374A (cg-RX-API-DMAC7.html)
AU7465674A (cg-RX-API-DMAC7.html)
AU480764A (cg-RX-API-DMAC7.html)
BE830029A (cg-RX-API-DMAC7.html)
AU480401A (cg-RX-API-DMAC7.html)
AU480578A (cg-RX-API-DMAC7.html)
AU480758A (cg-RX-API-DMAC7.html)
BG20001A1 (cg-RX-API-DMAC7.html)
AU480977A (cg-RX-API-DMAC7.html)
AU480994A (cg-RX-API-DMAC7.html)
AU481898A (cg-RX-API-DMAC7.html)
AU482014A (cg-RX-API-DMAC7.html)
AU482149A (cg-RX-API-DMAC7.html)
AU482236A (cg-RX-API-DMAC7.html)
AU482272A (cg-RX-API-DMAC7.html)
AU482307A (cg-RX-API-DMAC7.html)
AU480264A (cg-RX-API-DMAC7.html)
AU480227A (cg-RX-API-DMAC7.html)
AU480170A (cg-RX-API-DMAC7.html)
AU480070A (cg-RX-API-DMAC7.html)

Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse