FR702402A - Method and apparatus for determining and remotely indicating the presence of combustible gases in atmospheric air and their quantity - Google Patents

Method and apparatus for determining and remotely indicating the presence of combustible gases in atmospheric air and their quantity

Info

Publication number
FR702402A
FR702402A FR702402DA FR702402A FR 702402 A FR702402 A FR 702402A FR 702402D A FR702402D A FR 702402DA FR 702402 A FR702402 A FR 702402A
Authority
FR
France
Prior art keywords
determining
atmospheric air
combustible gases
remotely indicating
remotely
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
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.)
VULKANWERKE GmbH
Original Assignee
VULKANWERKE GmbH
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 VULKANWERKE GmbH filed Critical VULKANWERKE GmbH
Application granted granted Critical
Publication of FR702402A publication Critical patent/FR702402A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N25/00—Investigating or analyzing materials by the use of thermal means
    • G01N25/20—Investigating or analyzing materials by the use of thermal means by investigating the development of heat, i.e. calorimetry, e.g. by measuring specific heat, by measuring thermal conductivity
    • G01N25/22—Investigating or analyzing materials by the use of thermal means by investigating the development of heat, i.e. calorimetry, e.g. by measuring specific heat, by measuring thermal conductivity on combustion or catalytic oxidation, e.g. of components of gas mixtures
    • G01N25/44—Investigating or analyzing materials by the use of thermal means by investigating the development of heat, i.e. calorimetry, e.g. by measuring specific heat, by measuring thermal conductivity on combustion or catalytic oxidation, e.g. of components of gas mixtures the heat developed being transferred to a fixed quantity of fluid
    • G01N25/46—Investigating or analyzing materials by the use of thermal means by investigating the development of heat, i.e. calorimetry, e.g. by measuring specific heat, by measuring thermal conductivity on combustion or catalytic oxidation, e.g. of components of gas mixtures the heat developed being transferred to a fixed quantity of fluid for investigating the composition of gas mixtures

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Combustion & Propulsion (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 Non-Biological Materials By The Use Of Chemical Means (AREA)
FR702402D 1930-09-20 1930-09-19 Method and apparatus for determining and remotely indicating the presence of combustible gases in atmospheric air and their quantity Expired FR702402A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2818830A GB352817A (en) 1930-09-20 1930-09-20 Improvements in the determination and indication at a distance of the presence and amount of combustible gases in atmospheric air

Publications (1)

Publication Number Publication Date
FR702402A true FR702402A (en) 1931-04-08

Family

ID=10271678

Family Applications (1)

Application Number Title Priority Date Filing Date
FR702402D Expired FR702402A (en) 1930-09-20 1930-09-19 Method and apparatus for determining and remotely indicating the presence of combustible gases in atmospheric air and their quantity

Country Status (2)

Country Link
FR (1) FR702402A (en)
GB (1) GB352817A (en)

Also Published As

Publication number Publication date
GB352817A (en) 1931-07-16

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