DE2404014A1 - Anordnung zum messen der konzentration von brenngasen in der luft durch katalytisches verbrennen - Google Patents
Anordnung zum messen der konzentration von brenngasen in der luft durch katalytisches verbrennenInfo
- Publication number
- DE2404014A1 DE2404014A1 DE19742404014 DE2404014A DE2404014A1 DE 2404014 A1 DE2404014 A1 DE 2404014A1 DE 19742404014 DE19742404014 DE 19742404014 DE 2404014 A DE2404014 A DE 2404014A DE 2404014 A1 DE2404014 A1 DE 2404014A1
- Authority
- DE
- Germany
- Prior art keywords
- measuring
- outlet
- measuring bridge
- capacitor
- arrangement
- 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.)
- Pending
Links
- 230000003197 catalytic effect Effects 0.000 title claims description 5
- 239000000567 combustion gas Substances 0.000 title 1
- 239000003990 capacitor Substances 0.000 claims description 22
- 230000010354 integration Effects 0.000 claims description 16
- 239000007789 gas Substances 0.000 claims description 9
- 238000003384 imaging method Methods 0.000 claims description 3
- 239000000203 mixture Substances 0.000 description 9
- 238000005259 measurement Methods 0.000 description 7
- 239000002737 fuel gas Substances 0.000 description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 238000007084 catalytic combustion reaction Methods 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000002452 interceptive effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 235000010205 Cola acuminata Nutrition 0.000 description 1
- 244000228088 Cola acuminata Species 0.000 description 1
- 235000015438 Cola nitida Nutrition 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000007620 mathematical function Methods 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- HWLDNSXPUQTBOD-UHFFFAOYSA-N platinum-iridium alloy Chemical compound [Ir].[Pt] HWLDNSXPUQTBOD-UHFFFAOYSA-N 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000001629 suppression Effects 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
- G01N33/0062—General constructional details of gas analysers, e.g. portable test equipment concerning the measuring method or the display, e.g. intermittent measurement or digital display
- G01N33/0067—General constructional details of gas analysers, e.g. portable test equipment concerning the measuring method or the display, e.g. intermittent measurement or digital display by measuring the rate of variation of the concentration
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)
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19742404014 DE2404014A1 (de) | 1974-01-29 | 1974-01-29 | Anordnung zum messen der konzentration von brenngasen in der luft durch katalytisches verbrennen |
| CH122174A CH566002A5 (hu) | 1974-01-29 | 1974-01-29 | |
| FR7404435A FR2260796A1 (en) | 1974-01-29 | 1974-02-11 | Measuring instrument for combustible gas concentrations in air - is unaffected by changes in gas mixture conductivity or ambient temp. |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19742404014 DE2404014A1 (de) | 1974-01-29 | 1974-01-29 | Anordnung zum messen der konzentration von brenngasen in der luft durch katalytisches verbrennen |
| CH122174A CH566002A5 (hu) | 1974-01-29 | 1974-01-29 | |
| FR7404435A FR2260796A1 (en) | 1974-01-29 | 1974-02-11 | Measuring instrument for combustible gas concentrations in air - is unaffected by changes in gas mixture conductivity or ambient temp. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2404014A1 true DE2404014A1 (de) | 1975-08-07 |
Family
ID=27172801
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19742404014 Pending DE2404014A1 (de) | 1974-01-29 | 1974-01-29 | Anordnung zum messen der konzentration von brenngasen in der luft durch katalytisches verbrennen |
Country Status (3)
| Country | Link |
|---|---|
| CH (1) | CH566002A5 (hu) |
| DE (1) | DE2404014A1 (hu) |
| FR (1) | FR2260796A1 (hu) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006111727A1 (en) * | 2005-04-19 | 2006-10-26 | City Technology Limited | Gas sensor assembly with catalytic element |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2627916C3 (de) * | 1976-06-22 | 1978-12-21 | Auergesellschaft Gmbh, 1000 Berlin | Schaltungsanordnung für eine Meßbrücke eines Gasspürgerätes |
| US4150495A (en) * | 1978-05-03 | 1979-04-24 | Bobst-Champlain, Inc. | LEL (lower explosive limit) control with automatic calibration capability |
-
1974
- 1974-01-29 DE DE19742404014 patent/DE2404014A1/de active Pending
- 1974-01-29 CH CH122174A patent/CH566002A5/xx not_active IP Right Cessation
- 1974-02-11 FR FR7404435A patent/FR2260796A1/fr active Granted
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006111727A1 (en) * | 2005-04-19 | 2006-10-26 | City Technology Limited | Gas sensor assembly with catalytic element |
| GB2439906A (en) * | 2005-04-19 | 2008-01-09 | City Tech | Gas sensor assembly with catalytic element |
| GB2439906B (en) * | 2005-04-19 | 2010-01-06 | City Tech | Gas sensor assembly with catalytic element |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2260796A1 (en) | 1975-09-05 |
| FR2260796B1 (hu) | 1977-06-10 |
| CH566002A5 (hu) | 1975-08-29 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OHJ | Non-payment of the annual fee |