FR1062463A - Method for the automatic optical and acoustic signaling of the presence of a flammable gas in any room and device for carrying out said method - Google Patents

Method for the automatic optical and acoustic signaling of the presence of a flammable gas in any room and device for carrying out said method

Info

Publication number
FR1062463A
FR1062463A FR1062463DA FR1062463A FR 1062463 A FR1062463 A FR 1062463A FR 1062463D A FR1062463D A FR 1062463DA FR 1062463 A FR1062463 A FR 1062463A
Authority
FR
France
Prior art keywords
room
carrying
flammable gas
automatic optical
acoustic signaling
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
Marcello Lorenzetto
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 FR1062463A publication Critical patent/FR1062463A/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
    • G01N25/28—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 rise in temperature of the gases resulting from combustion being measured directly
    • G01N25/30—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 rise in temperature of the gases resulting from combustion being measured directly using electric temperature-responsive elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17D—PIPE-LINE SYSTEMS; PIPE-LINES
    • F17D5/00—Protection or supervision of installations
    • F17D5/005—Protection or supervision of installations of gas pipelines, e.g. alarm
    • 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
    • G01N25/28—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 rise in temperature of the gases resulting from combustion being measured directly
    • G01N25/38—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 rise in temperature of the gases resulting from combustion being measured directly using the melting or combustion of a solid
    • G01N25/385—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 rise in temperature of the gases resulting from combustion being measured directly using the melting or combustion of a solid for investigating the composition of gas mixtures

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Chemical Kinetics & Catalysis (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)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Control Of Combustion (AREA)
  • Fluidized-Bed Combustion And Resonant Combustion (AREA)
FR1062463D 1951-03-31 1952-03-27 Method for the automatic optical and acoustic signaling of the presence of a flammable gas in any room and device for carrying out said method Expired FR1062463A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES304216X 1951-03-31

Publications (1)

Publication Number Publication Date
FR1062463A true FR1062463A (en) 1954-04-23

Family

ID=8245035

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1062463D Expired FR1062463A (en) 1951-03-31 1952-03-27 Method for the automatic optical and acoustic signaling of the presence of a flammable gas in any room and device for carrying out said method

Country Status (4)

Country Link
US (1) US2727225A (en)
CH (1) CH304216A (en)
FR (1) FR1062463A (en)
GB (1) GB713807A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3090038A (en) * 1959-06-08 1963-05-14 Great Lakes Pipe Line Company Hazardous atmosphere detecting and signalling system
DE1221815B (en) * 1964-10-08 1966-07-28 Ceag Concordia Elek Zitaets Ag Device for displaying a lower oxygen concentration in mine weather
US3452350A (en) * 1966-04-05 1969-06-24 Fenwal Inc Explosion suppression system including explosion simulation and testing apparatus
US9642290B2 (en) 2013-03-14 2017-05-02 Emprimus, Llc Electromagnetically protected electronic enclosure

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US872039A (en) * 1903-09-30 1907-11-26 Daniel B Adams Automatic alarm and stopping device for engines.
US977947A (en) * 1910-06-15 1910-12-06 Anton Grohs Danger-signal apparatus for mines, &c.
US1088611A (en) * 1913-02-25 1914-02-24 Heinrich Neubauer Device for signalizing the presence of explosive gas mixtures in fire-damp mines.
US1390497A (en) * 1917-04-17 1921-09-13 Edwin M Chance Method and apparatus for the detection of combustible and vitiated atmospheres
US1821871A (en) * 1927-11-23 1931-09-01 Bayer Adolph Gas detection apparatus
US1756749A (en) * 1928-08-13 1930-04-29 Oxweld Acetylene Co Filament mounting for gas-detecting apparatus
US2102457A (en) * 1935-01-15 1937-12-14 Gandy Raymond Alfred Gas detecting apparatus
US2345772A (en) * 1940-03-23 1944-04-04 W L Garland Gas detecting apparatus

Also Published As

Publication number Publication date
CH304216A (en) 1954-12-31
US2727225A (en) 1955-12-13
GB713807A (en) 1954-08-18

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