FR1484531A - Installation pour la détection de gaz combustibles - Google Patents

Installation pour la détection de gaz combustibles

Info

Publication number
FR1484531A
FR1484531A FR66899A FR66899A FR1484531A FR 1484531 A FR1484531 A FR 1484531A FR 66899 A FR66899 A FR 66899A FR 66899 A FR66899 A FR 66899A FR 1484531 A FR1484531 A FR 1484531A
Authority
FR
France
Prior art keywords
installation
detection
combustible gases
combustible
gases
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
FR66899A
Other languages
English (en)
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
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 Mine Safety Appliances Co filed Critical Mine Safety Appliances Co
Priority to FR66899A priority Critical patent/FR1484531A/fr
Application granted granted Critical
Publication of FR1484531A publication Critical patent/FR1484531A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H5/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection
    • 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)
FR66899A 1966-06-24 1966-06-24 Installation pour la détection de gaz combustibles Expired FR1484531A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR66899A FR1484531A (fr) 1966-06-24 1966-06-24 Installation pour la détection de gaz combustibles

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR66899A FR1484531A (fr) 1966-06-24 1966-06-24 Installation pour la détection de gaz combustibles

Publications (1)

Publication Number Publication Date
FR1484531A true FR1484531A (fr) 1967-06-09

Family

ID=8611771

Family Applications (1)

Application Number Title Priority Date Filing Date
FR66899A Expired FR1484531A (fr) 1966-06-24 1966-06-24 Installation pour la détection de gaz combustibles

Country Status (1)

Country Link
FR (1) FR1484531A (fr)

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