FR2339858A1 - Indicateur thermochimique de presence de gaz combustibles dans l'atmosphere - Google Patents
Indicateur thermochimique de presence de gaz combustibles dans l'atmosphereInfo
- 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
Links
- 239000007789 gas Substances 0.000 title abstract 5
- 238000012544 monitoring process Methods 0.000 title 1
- 239000003381 stabilizer Substances 0.000 abstract 2
- 230000001105 regulatory effect Effects 0.000 abstract 1
- 239000000126 substance Substances 0.000 abstract 1
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)
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 (enrdf_load_stackoverflow) | 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 (enrdf_load_stackoverflow) |
Citations (1)
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 |
-
1976
- 1976-02-02 FR FR7602800A patent/FR2339858A1/fr active Granted
Patent Citations (1)
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 (enrdf_load_stackoverflow) | 1978-12-08 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |