FR1077430A - Perfectionnements aux détecteurs de gaz combustibles - Google Patents

Perfectionnements aux détecteurs de gaz combustibles

Info

Publication number
FR1077430A
FR1077430A FR1077430DA FR1077430A FR 1077430 A FR1077430 A FR 1077430A FR 1077430D A FR1077430D A FR 1077430DA FR 1077430 A FR1077430 A FR 1077430A
Authority
FR
France
Prior art keywords
combustible gas
gas detectors
detectors
combustible
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
Application number
Other languages
English (en)
French (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.)
Charbonnages de France CDF
Original Assignee
Charbonnages de France CDF
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 Charbonnages de France CDF filed Critical Charbonnages de France CDF
Application granted granted Critical
Publication of FR1077430A publication Critical patent/FR1077430A/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)
  • 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)
FR1077430D 1953-05-19 1953-05-19 Perfectionnements aux détecteurs de gaz combustibles Expired FR1077430A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1077430T 1953-05-19

Publications (1)

Publication Number Publication Date
FR1077430A true FR1077430A (fr) 1954-11-08

Family

ID=9608188

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1077430D Expired FR1077430A (fr) 1953-05-19 1953-05-19 Perfectionnements aux détecteurs de gaz combustibles

Country Status (3)

Country Link
BE (1) BE527833A (enrdf_load_stackoverflow)
FR (1) FR1077430A (enrdf_load_stackoverflow)
GB (1) GB759962A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3061826A (en) * 1957-04-29 1962-10-30 Jabez Burns & Sons Inc Flammable vapor detector

Also Published As

Publication number Publication date
GB759962A (en) 1956-10-24
BE527833A (enrdf_load_stackoverflow)

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