CA1166298A - Electrically heatable element - Google Patents
Electrically heatable elementInfo
- Publication number
- CA1166298A CA1166298A CA000379442A CA379442A CA1166298A CA 1166298 A CA1166298 A CA 1166298A CA 000379442 A CA000379442 A CA 000379442A CA 379442 A CA379442 A CA 379442A CA 1166298 A CA1166298 A CA 1166298A
- Authority
- CA
- Canada
- Prior art keywords
- catalyst
- filament
- refractory material
- bead
- porous refractory
- 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
- 239000003054 catalyst Substances 0.000 claims abstract description 35
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims abstract description 26
- 239000011819 refractory material Substances 0.000 claims abstract description 25
- 239000011324 bead Substances 0.000 claims abstract description 24
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims abstract description 14
- 229910052697 platinum Inorganic materials 0.000 claims abstract description 12
- 229910052751 metal Inorganic materials 0.000 claims abstract description 11
- 239000002184 metal Substances 0.000 claims abstract description 11
- 238000001514 detection method Methods 0.000 claims abstract description 7
- 230000001464 adherent effect Effects 0.000 claims abstract description 3
- 238000010438 heat treatment Methods 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 12
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 claims description 10
- JLDSOYXADOWAKB-UHFFFAOYSA-N aluminium nitrate Chemical group [Al+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O JLDSOYXADOWAKB-UHFFFAOYSA-N 0.000 claims description 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 6
- 239000002253 acid Substances 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims description 5
- 229910052763 palladium Inorganic materials 0.000 claims description 5
- 229910001260 Pt alloy Inorganic materials 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 238000007598 dipping method Methods 0.000 claims description 4
- 241000588731 Hafnia Species 0.000 claims description 3
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 claims description 3
- CJNBYAVZURUTKZ-UHFFFAOYSA-N hafnium(IV) oxide Inorganic materials O=[Hf]=O CJNBYAVZURUTKZ-UHFFFAOYSA-N 0.000 claims description 3
- 229910052741 iridium Inorganic materials 0.000 claims description 3
- GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical compound [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 229910052703 rhodium Inorganic materials 0.000 claims description 3
- 239000010948 rhodium Substances 0.000 claims description 3
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 claims description 3
- 229910052707 ruthenium Inorganic materials 0.000 claims description 3
- 239000000377 silicon dioxide Substances 0.000 claims description 3
- ZSLUVFAKFWKJRC-IGMARMGPSA-N 232Th Chemical compound [232Th] ZSLUVFAKFWKJRC-IGMARMGPSA-N 0.000 claims 2
- 229910052776 Thorium Inorganic materials 0.000 claims 2
- 150000001875 compounds Chemical class 0.000 claims 2
- 239000000126 substance Substances 0.000 claims 2
- 238000002485 combustion reaction Methods 0.000 abstract description 8
- 230000008021 deposition Effects 0.000 abstract description 6
- 231100000572 poisoning Toxicity 0.000 abstract description 5
- 230000000607 poisoning effect Effects 0.000 abstract description 5
- 230000001737 promoting effect Effects 0.000 abstract description 4
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 230000003245 working effect Effects 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 17
- 239000000243 solution Substances 0.000 description 16
- 238000000151 deposition Methods 0.000 description 7
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 4
- 238000009835 boiling Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 230000003197 catalytic effect Effects 0.000 description 3
- 239000008188 pellet Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 239000007864 aqueous solution Substances 0.000 description 2
- 239000012153 distilled water Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 229910001111 Fine metal Inorganic materials 0.000 description 1
- 229910002651 NO3 Inorganic materials 0.000 description 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 1
- 239000003463 adsorbent Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000007084 catalytic combustion reaction Methods 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 229910052762 osmium Inorganic materials 0.000 description 1
- SYQBFIAQOQZEGI-UHFFFAOYSA-N osmium atom Chemical compound [Os] SYQBFIAQOQZEGI-UHFFFAOYSA-N 0.000 description 1
- 239000002574 poison Substances 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 239000003870 refractory metal Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- -1 tborium Chemical compound 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 238000005406 washing Methods 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
Landscapes
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- General Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Biochemistry (AREA)
- Electrochemistry (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
- Catalysts (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB8019098 | 1980-06-11 | ||
| GB8019098 | 1980-06-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1166298A true CA1166298A (en) | 1984-04-24 |
Family
ID=10513970
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000379442A Expired CA1166298A (en) | 1980-06-11 | 1981-06-10 | Electrically heatable element |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JPS5726740A (enrdf_load_stackoverflow) |
| CA (1) | CA1166298A (enrdf_load_stackoverflow) |
| DE (1) | DE3122662A1 (enrdf_load_stackoverflow) |
| FR (1) | FR2484689B1 (enrdf_load_stackoverflow) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH673536A5 (enrdf_load_stackoverflow) * | 1986-03-04 | 1990-03-15 | Ingold W Dr Ag | |
| DE3723052A1 (de) * | 1987-07-11 | 1989-01-19 | Kernforschungsz Karlsruhe | Herstellung von inerten, katalytisch wirksamen oder gassensitiven keramikschichten fuer gassensoren |
| DE3743398A1 (de) * | 1987-12-21 | 1989-07-06 | Siemens Ag | Aufhaengung fuer eine sensoranordnung zum nachweis von gasen durch exotherme katalytische reaktionen |
| DE3913621A1 (de) * | 1989-04-25 | 1990-10-31 | Siemens Ag | Gassensor fuer abgas, geeignet fuer motorsteuerung insbesondere fuer die regelung eines magermotors |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL236206A (enrdf_load_stackoverflow) * | 1958-02-18 | |||
| US3200011A (en) * | 1959-02-03 | 1965-08-10 | Nat Res Dev | Electrically heatable filaments |
| GB1184184A (en) * | 1966-07-26 | 1970-03-11 | Nat Res Dev | Improvements in or relating to Electrically Heatable Filaments |
| US3564474A (en) * | 1968-06-04 | 1971-02-16 | Nat Res Dev | Electrically heatable elements |
| GB1387412A (en) * | 1971-07-07 | 1975-03-19 | English Electric Valve Co Ltd | Combustible gas detectors |
| US3883307A (en) * | 1971-10-21 | 1975-05-13 | Ambac Ind | Gas analyzer resistance element |
| GB1461891A (en) * | 1974-06-05 | 1977-01-19 | Nat Res Dev | Detection of carbon monoxide |
| US3959764A (en) * | 1974-10-09 | 1976-05-25 | Dictaphone Corporation | Gas analyzing element |
| JPS52122192A (en) * | 1976-04-07 | 1977-10-14 | Matsushita Electric Ind Co Ltd | Combustible gas detecting element |
| GB1516039A (en) * | 1976-06-18 | 1978-06-28 | English Electric Valve Co Ltd | Combustible gas detectors |
| GB1549640A (en) * | 1976-07-06 | 1979-08-08 | English Electric Valve Co Ltd | Combustible-gas detectors |
| US4045177A (en) * | 1976-08-16 | 1977-08-30 | Cse Corporation | Apparatus for detecting combustible gases |
| GB1596623A (en) * | 1976-12-13 | 1981-08-26 | Nat Res Dev | Catalytic gas detectors |
| GB1556339A (en) * | 1977-08-25 | 1979-11-21 | English Electric Valve Co Ltd | Combustible gas detectors |
| DE2740158A1 (de) * | 1977-09-02 | 1979-03-15 | Auergesellschaft Gmbh | Katalytisch inaktives gasspuerelement und verfahren zu dessen herstellung |
-
1981
- 1981-06-06 DE DE19813122662 patent/DE3122662A1/de active Granted
- 1981-06-08 JP JP8875481A patent/JPS5726740A/ja active Pending
- 1981-06-10 CA CA000379442A patent/CA1166298A/en not_active Expired
- 1981-06-10 FR FR8111432A patent/FR2484689B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE3122662A1 (de) | 1982-04-01 |
| JPS5726740A (en) | 1982-02-12 |
| DE3122662C2 (enrdf_load_stackoverflow) | 1989-09-07 |
| FR2484689B1 (fr) | 1985-06-07 |
| FR2484689A1 (fr) | 1981-12-18 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |