FR2484689B1 - Element electriquement chauffable pour instruments de detection de gaz, et son procede de fabrication - Google Patents

Element electriquement chauffable pour instruments de detection de gaz, et son procede de fabrication

Info

Publication number
FR2484689B1
FR2484689B1 FR8111432A FR8111432A FR2484689B1 FR 2484689 B1 FR2484689 B1 FR 2484689B1 FR 8111432 A FR8111432 A FR 8111432A FR 8111432 A FR8111432 A FR 8111432A FR 2484689 B1 FR2484689 B1 FR 2484689B1
Authority
FR
France
Prior art keywords
manufacturing
gas detection
electrically heatable
detection instruments
heatable element
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
Application number
FR8111432A
Other languages
English (en)
French (fr)
Other versions
FR2484689A1 (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.)
MSA Safety Inc
Original Assignee
MSA Safety Inc
Mine Safety Appliances Co
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 MSA Safety Inc, Mine Safety Appliances Co filed Critical MSA Safety Inc
Publication of FR2484689A1 publication Critical patent/FR2484689A1/fr
Application granted granted Critical
Publication of FR2484689B1 publication Critical patent/FR2484689B1/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
    • 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)
  • Analytical Chemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Biochemistry (AREA)
  • Electrochemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
FR8111432A 1980-06-11 1981-06-10 Element electriquement chauffable pour instruments de detection de gaz, et son procede de fabrication Expired FR2484689B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8019098 1980-06-11

Publications (2)

Publication Number Publication Date
FR2484689A1 FR2484689A1 (fr) 1981-12-18
FR2484689B1 true FR2484689B1 (fr) 1985-06-07

Family

ID=10513970

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8111432A Expired FR2484689B1 (fr) 1980-06-11 1981-06-10 Element electriquement chauffable pour instruments de detection de gaz, et son procede de fabrication

Country Status (4)

Country Link
JP (1) JPS5726740A (enrdf_load_stackoverflow)
CA (1) CA1166298A (enrdf_load_stackoverflow)
DE (1) DE3122662A1 (enrdf_load_stackoverflow)
FR (1) FR2484689B1 (enrdf_load_stackoverflow)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH673536A5 (enrdf_load_stackoverflow) * 1986-03-04 1990-03-15 Ingold W Dr Ag
DE3723052A1 (de) * 1987-07-11 1989-01-19 Kernforschungsz Karlsruhe Herstellung von inerten, katalytisch wirksamen oder gassensitiven keramikschichten fuer gassensoren
DE3743398A1 (de) * 1987-12-21 1989-07-06 Siemens Ag Aufhaengung fuer eine sensoranordnung zum nachweis von gasen durch exotherme katalytische reaktionen
DE3913621A1 (de) * 1989-04-25 1990-10-31 Siemens Ag Gassensor fuer abgas, geeignet fuer motorsteuerung insbesondere fuer die regelung eines magermotors

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL236206A (enrdf_load_stackoverflow) * 1958-02-18
US3200011A (en) * 1959-02-03 1965-08-10 Nat Res Dev Electrically heatable filaments
GB1184184A (en) * 1966-07-26 1970-03-11 Nat Res Dev Improvements in or relating to Electrically Heatable Filaments
US3564474A (en) * 1968-06-04 1971-02-16 Nat Res Dev Electrically heatable elements
GB1387412A (en) * 1971-07-07 1975-03-19 English Electric Valve Co Ltd Combustible gas detectors
US3883307A (en) * 1971-10-21 1975-05-13 Ambac Ind Gas analyzer resistance element
GB1461891A (en) * 1974-06-05 1977-01-19 Nat Res Dev Detection of carbon monoxide
US3959764A (en) * 1974-10-09 1976-05-25 Dictaphone Corporation Gas analyzing element
JPS52122192A (en) * 1976-04-07 1977-10-14 Matsushita Electric Ind Co Ltd Combustible gas detecting element
GB1516039A (en) * 1976-06-18 1978-06-28 English Electric Valve Co Ltd Combustible gas detectors
GB1549640A (en) * 1976-07-06 1979-08-08 English Electric Valve Co Ltd Combustible-gas detectors
US4045177A (en) * 1976-08-16 1977-08-30 Cse Corporation Apparatus for detecting combustible gases
GB1596623A (en) * 1976-12-13 1981-08-26 Nat Res Dev Catalytic gas detectors
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

Also Published As

Publication number Publication date
DE3122662A1 (de) 1982-04-01
JPS5726740A (en) 1982-02-12
DE3122662C2 (enrdf_load_stackoverflow) 1989-09-07
CA1166298A (en) 1984-04-24
FR2484689A1 (fr) 1981-12-18

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Legal Events

Date Code Title Description
ST Notification of lapse