FR811440A - Warning device for the presence of lighting gas in living rooms - Google Patents

Warning device for the presence of lighting gas in living rooms

Info

Publication number
FR811440A
FR811440A FR811440DA FR811440A FR 811440 A FR811440 A FR 811440A FR 811440D A FR811440D A FR 811440DA FR 811440 A FR811440 A FR 811440A
Authority
FR
France
Prior art keywords
warning device
living rooms
lighting gas
lighting
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
French (fr)
Inventor
Giuseppe Menozzi
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 filed Critical
Application granted granted Critical
Publication of FR811440A publication Critical patent/FR811440A/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 Materials Using Thermal Means (AREA)
FR811440D 1935-12-19 1936-08-21 Warning device for the presence of lighting gas in living rooms Expired FR811440A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT2178486X 1935-12-19

Publications (1)

Publication Number Publication Date
FR811440A true FR811440A (en) 1937-04-14

Family

ID=32071296

Family Applications (1)

Application Number Title Priority Date Filing Date
FR811440D Expired FR811440A (en) 1935-12-19 1936-08-21 Warning device for the presence of lighting gas in living rooms

Country Status (3)

Country Link
US (1) US2178486A (en)
FR (1) FR811440A (en)
GB (1) GB480335A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2666105A (en) * 1948-08-10 1954-01-12 Menozzi Giuseppe Apparatus for signaling the escape of illuminating gas and other similar combustiblegases
US2881274A (en) * 1957-06-24 1959-04-07 Gen Controls Co Gas detector and system for gas detection
US3801973A (en) * 1972-12-04 1974-04-02 Gen Motors Corp Emission sensor

Also Published As

Publication number Publication date
GB480335A (en) 1938-02-21
US2178486A (en) 1939-10-31

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