FR2334100B1 - - Google Patents
Info
- Publication number
- FR2334100B1 FR2334100B1 FR7537332A FR7537332A FR2334100B1 FR 2334100 B1 FR2334100 B1 FR 2334100B1 FR 7537332 A FR7537332 A FR 7537332A FR 7537332 A FR7537332 A FR 7537332A FR 2334100 B1 FR2334100 B1 FR 2334100B1
- Authority
- FR
- France
- 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
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)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7537332A FR2334100A1 (fr) | 1975-12-05 | 1975-12-05 | Element detecteur de la presence de gaz combustibles dans une atmosphere gazeuse comportant au moins un oxydant |
| JP51113188A JPS5269694A (en) | 1975-12-05 | 1976-09-22 | Detecting element for combustible gases |
| US05/737,707 US4077775A (en) | 1975-12-05 | 1976-11-01 | Element for detecting the presence of combustible gases in a gaseous atmosphere |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7537332A FR2334100A1 (fr) | 1975-12-05 | 1975-12-05 | Element detecteur de la presence de gaz combustibles dans une atmosphere gazeuse comportant au moins un oxydant |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2334100A1 FR2334100A1 (fr) | 1977-07-01 |
| FR2334100B1 true FR2334100B1 (US20090192370A1-20090730-C00001.png) | 1980-04-04 |
Family
ID=9163392
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7537332A Granted FR2334100A1 (fr) | 1975-12-05 | 1975-12-05 | Element detecteur de la presence de gaz combustibles dans une atmosphere gazeuse comportant au moins un oxydant |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US4077775A (US20090192370A1-20090730-C00001.png) |
| JP (1) | JPS5269694A (US20090192370A1-20090730-C00001.png) |
| FR (1) | FR2334100A1 (US20090192370A1-20090730-C00001.png) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4138881A (en) * | 1978-02-01 | 1979-02-13 | Westinghouse Electric Corp. | Resistor-type solid electrolyte oxygen sensor |
| CA1164944A (en) * | 1980-01-02 | 1984-04-03 | International Gas Detectors Limited | Gas sensor elements and methods of manufacturing them |
| US4423407A (en) * | 1981-02-27 | 1983-12-27 | Dart Industries Inc. | Apparatus and method for measuring the concentration of gases |
| US4502321A (en) * | 1981-02-27 | 1985-03-05 | Capital Controls | Apparatus and method for measuring the concentration of gases |
| GB8924889D0 (en) * | 1989-11-03 | 1989-12-20 | Neotronics Technology Plc | Combustible gas detection |
| IT1252088B (it) * | 1991-10-25 | 1995-06-01 | Erba Strumentazione | Apparecchiatura e procedimento di analisi o-fid |
| JPH11223614A (ja) * | 1998-02-06 | 1999-08-17 | Research Institute Of Innovative Technology For The Earth | 接触燃焼式可燃ガスセンサ |
| JP4800853B2 (ja) | 2005-12-28 | 2011-10-26 | 株式会社デンソー | ガスセンサ素子 |
| DE102014018681B3 (de) * | 2014-12-18 | 2015-10-29 | Dräger Safety AG & Co. KGaA | Gassensor und Verfahren zur Herstellung eines Messelementes |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2768069A (en) * | 1952-06-05 | 1956-10-23 | Factory Mutual Res Corp | Combustible gas detector |
| US3092799A (en) * | 1958-02-18 | 1963-06-04 | Nat Res Dev | Apparatus for detecting combustible gases having an electrically conductive member enveloped in a refractory material |
| NL275018A (US20090192370A1-20090730-C00001.png) * | 1961-02-24 | |||
| FR1506941A (fr) | 1966-12-29 | 1967-12-22 | Inst Gornogo Dela Imeni Skochi | Analyseur de gaz thermochimique portatif |
-
1975
- 1975-12-05 FR FR7537332A patent/FR2334100A1/fr active Granted
-
1976
- 1976-09-22 JP JP51113188A patent/JPS5269694A/ja active Pending
- 1976-11-01 US US05/737,707 patent/US4077775A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US4077775A (en) | 1978-03-07 |
| FR2334100A1 (fr) | 1977-07-01 |
| JPS5269694A (en) | 1977-06-09 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |