GB1575767A - Apparatus for the unambiguous indication of the proportion of combustibles in a gaseous sample - Google Patents
Apparatus for the unambiguous indication of the proportion of combustibles in a gaseous sample Download PDFInfo
- Publication number
- GB1575767A GB1575767A GB5170677A GB5170677A GB1575767A GB 1575767 A GB1575767 A GB 1575767A GB 5170677 A GB5170677 A GB 5170677A GB 5170677 A GB5170677 A GB 5170677A GB 1575767 A GB1575767 A GB 1575767A
- Authority
- GB
- United Kingdom
- Prior art keywords
- sample
- measuring
- oxygen
- signal
- indicating instrument
- 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
Links
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 43
- 239000001301 oxygen Substances 0.000 claims description 43
- 229910052760 oxygen Inorganic materials 0.000 claims description 43
- 238000002485 combustion reaction Methods 0.000 claims description 19
- 239000007789 gas Substances 0.000 claims description 15
- 239000004020 conductor Substances 0.000 claims description 8
- 238000005259 measurement Methods 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 11
- 238000004868 gas analysis Methods 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 239000001273 butane Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 description 1
- OFBQJSOFQDEBGM-UHFFFAOYSA-N n-pentane Natural products CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
- G01N33/0031—General constructional details of gas analysers, e.g. portable test equipment concerning the detector comprising two or more sensors, e.g. a sensor array
- G01N33/0032—General constructional details of gas analysers, e.g. portable test equipment concerning the detector comprising two or more sensors, e.g. a sensor array using two or more different physical functioning modes
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- General Health & Medical Sciences (AREA)
- Pathology (AREA)
- Immunology (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Biochemistry (AREA)
- General Physics & Mathematics (AREA)
- Combustion & Propulsion (AREA)
- Medicinal Chemistry (AREA)
- Food Science & Technology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19762655954 DE2655954C3 (de) | 1976-12-10 | 1976-12-10 | Vorrichtung zur eindeutigen Anzeige des Anteils brennbarer Bestandteile in einer Gasprobe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1575767A true GB1575767A (en) | 1980-09-24 |
Family
ID=5995161
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB5170677A Expired GB1575767A (en) | 1976-12-10 | 1977-12-12 | Apparatus for the unambiguous indication of the proportion of combustibles in a gaseous sample |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE861685A (enrdf_load_stackoverflow) |
| DE (1) | DE2655954C3 (enrdf_load_stackoverflow) |
| FR (1) | FR2373793A1 (enrdf_load_stackoverflow) |
| GB (1) | GB1575767A (enrdf_load_stackoverflow) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4485666A (en) * | 1981-09-11 | 1984-12-04 | Coal Industry (Patents) Limited | Gas analyzer |
| EP1152238A3 (en) * | 2000-05-04 | 2003-01-29 | BW Technologies Limited | Instrument for combustible gas detection |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DK172281A (da) * | 1981-04-15 | 1982-10-16 | O Johannsen | Apparat til analyse af forbraendingsgas |
| FR2507779A1 (fr) * | 1981-06-15 | 1982-12-17 | Charbonnages De France | Procede et appareil d'explosimetrie a moyen nouveau de lever de doute des mesures |
| DE3132297C2 (de) * | 1981-08-12 | 1985-05-15 | Auergesellschaft Gmbh, 1000 Berlin | Schaltungsanordnung für ein Gerät zur Messung und Anzeige der Konzentration von in Luft enthaltenen brennbaren Gasen und Dämpfen |
| DE3622307A1 (de) * | 1986-07-03 | 1988-01-14 | Draegerwerk Ag | Messeinrichtung zum nachweis des anteils von brennbaren gasen in luftgemischen |
-
1976
- 1976-12-10 DE DE19762655954 patent/DE2655954C3/de not_active Expired
-
1977
- 1977-11-25 FR FR7736459A patent/FR2373793A1/fr active Granted
- 1977-12-09 BE BE183315A patent/BE861685A/xx not_active IP Right Cessation
- 1977-12-12 GB GB5170677A patent/GB1575767A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4485666A (en) * | 1981-09-11 | 1984-12-04 | Coal Industry (Patents) Limited | Gas analyzer |
| EP1152238A3 (en) * | 2000-05-04 | 2003-01-29 | BW Technologies Limited | Instrument for combustible gas detection |
Also Published As
| Publication number | Publication date |
|---|---|
| DE2655954B2 (de) | 1979-08-23 |
| FR2373793A1 (fr) | 1978-07-07 |
| FR2373793B1 (enrdf_load_stackoverflow) | 1984-01-06 |
| DE2655954C3 (de) | 1980-05-22 |
| DE2655954A1 (de) | 1978-06-22 |
| BE861685A (fr) | 1978-03-31 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PCNP | Patent ceased through non-payment of renewal fee |