FR2339858A1 - Indicateur thermochimique de presence de gaz combustibles dans l'atmosphere - Google Patents

Indicateur thermochimique de presence de gaz combustibles dans l'atmosphere

Info

Publication number
FR2339858A1
FR2339858A1 FR7602800A FR7602800A FR2339858A1 FR 2339858 A1 FR2339858 A1 FR 2339858A1 FR 7602800 A FR7602800 A FR 7602800A FR 7602800 A FR7602800 A FR 7602800A FR 2339858 A1 FR2339858 A1 FR 2339858A1
Authority
FR
France
Prior art keywords
thermistor
arm
wheatstone bridge
combustible gases
balanced
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.)
Granted
Application number
FR7602800A
Other languages
English (en)
French (fr)
Other versions
FR2339858B1 (es
Inventor
A T Timoshenko
V I Nazarenko
F E Krigman
M G Gusev
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.)
MAKEEVSKY INST BEZOPASNOSTI
Original Assignee
MAKEEVSKY INST BEZOPASNOSTI
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 MAKEEVSKY INST BEZOPASNOSTI filed Critical MAKEEVSKY INST BEZOPASNOSTI
Priority to FR7602800A priority Critical patent/FR2339858A1/fr
Publication of FR2339858A1 publication Critical patent/FR2339858A1/fr
Application granted granted Critical
Publication of FR2339858B1 publication Critical patent/FR2339858B1/fr
Granted 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)
FR7602800A 1976-02-02 1976-02-02 Indicateur thermochimique de presence de gaz combustibles dans l'atmosphere Granted FR2339858A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7602800A FR2339858A1 (fr) 1976-02-02 1976-02-02 Indicateur thermochimique de presence de gaz combustibles dans l'atmosphere

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7602800A FR2339858A1 (fr) 1976-02-02 1976-02-02 Indicateur thermochimique de presence de gaz combustibles dans l'atmosphere

Publications (2)

Publication Number Publication Date
FR2339858A1 true FR2339858A1 (fr) 1977-08-26
FR2339858B1 FR2339858B1 (es) 1978-12-08

Family

ID=9168641

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7602800A Granted FR2339858A1 (fr) 1976-02-02 1976-02-02 Indicateur thermochimique de presence de gaz combustibles dans l'atmosphere

Country Status (1)

Country Link
FR (1) FR2339858A1 (es)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1281722B (de) * 1965-02-19 1968-10-31 Auergesellschaft M B H Geraet zur Messung der Konzentration brennbarer Gase und Daempfe

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1281722B (de) * 1965-02-19 1968-10-31 Auergesellschaft M B H Geraet zur Messung der Konzentration brennbarer Gase und Daempfe

Also Published As

Publication number Publication date
FR2339858B1 (es) 1978-12-08

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Legal Events

Date Code Title Description
ST Notification of lapse