CA1086094A - Combustible gases detector - Google Patents
Combustible gases detectorInfo
- Publication number
- CA1086094A CA1086094A CA286,977A CA286977A CA1086094A CA 1086094 A CA1086094 A CA 1086094A CA 286977 A CA286977 A CA 286977A CA 1086094 A CA1086094 A CA 1086094A
- Authority
- CA
- Canada
- Prior art keywords
- thermocouple
- junction
- catalytic
- combustible gases
- carbon monoxide
- 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
- 239000007789 gas Substances 0.000 title abstract description 34
- 239000011248 coating agent Substances 0.000 claims abstract description 10
- 238000000576 coating method Methods 0.000 claims abstract description 10
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 36
- 230000003197 catalytic effect Effects 0.000 claims description 33
- 229910052697 platinum Inorganic materials 0.000 claims description 18
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 13
- 229910002091 carbon monoxide Inorganic materials 0.000 claims description 13
- 239000000463 material Substances 0.000 claims description 11
- 239000004568 cement Substances 0.000 claims description 9
- 229910001369 Brass Inorganic materials 0.000 claims description 7
- 239000010951 brass Substances 0.000 claims description 7
- 229910052751 metal Inorganic materials 0.000 claims description 7
- 239000002184 metal Substances 0.000 claims description 7
- 238000006243 chemical reaction Methods 0.000 claims description 6
- 150000002739 metals Chemical class 0.000 claims description 3
- 229940105305 carbon monoxide Drugs 0.000 claims 5
- 238000001514 detection method Methods 0.000 claims 1
- 239000003054 catalyst Substances 0.000 abstract description 22
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 6
- 239000003546 flue gas Substances 0.000 description 6
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- 238000002788 crimping Methods 0.000 description 4
- 229910000809 Alumel Inorganic materials 0.000 description 3
- 239000002253 acid Substances 0.000 description 3
- 229910001179 chromel Inorganic materials 0.000 description 3
- 230000004044 response Effects 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 238000006555 catalytic reaction Methods 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 229910052717 sulfur Inorganic materials 0.000 description 2
- 239000011593 sulfur Substances 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- LEHOTFFKMJEONL-UHFFFAOYSA-N Uric Acid Chemical compound N1C(=O)NC(=O)C2=C1NC(=O)N2 LEHOTFFKMJEONL-UHFFFAOYSA-N 0.000 description 1
- TVWHNULVHGKJHS-UHFFFAOYSA-N Uric acid Natural products N1C(=O)NC(=O)C2NC(=O)NC21 TVWHNULVHGKJHS-UHFFFAOYSA-N 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005352 clarification Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 239000002803 fossil fuel Substances 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 231100000572 poisoning Toxicity 0.000 description 1
- 230000000607 poisoning effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000002277 temperature effect Effects 0.000 description 1
- 238000002076 thermal analysis method Methods 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
- 229940116269 uric acid Drugs 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N25/00—Investigating or analyzing materials by the use of thermal means
- G01N25/20—Investigating or analyzing materials by the use of thermal means by investigating the development of heat, i.e. calorimetry, e.g. by measuring specific heat, by measuring thermal conductivity
- G01N25/22—Investigating or analyzing materials by the use of thermal means by investigating the development of heat, i.e. calorimetry, e.g. by measuring specific heat, by measuring thermal conductivity on combustion or catalytic oxidation, e.g. of components of gas mixtures
- G01N25/28—Investigating or analyzing materials by the use of thermal means by investigating the development of heat, i.e. calorimetry, e.g. by measuring specific heat, by measuring thermal conductivity on combustion or catalytic oxidation, e.g. of components of gas mixtures the rise in temperature of the gases resulting from combustion being measured directly
- G01N25/30—Investigating or analyzing materials by the use of thermal means by investigating the development of heat, i.e. calorimetry, e.g. by measuring specific heat, by measuring thermal conductivity on combustion or catalytic oxidation, e.g. of components of gas mixtures the rise in temperature of the gases resulting from combustion being measured directly using electric temperature-responsive elements
- G01N25/32—Investigating or analyzing materials by the use of thermal means by investigating the development of heat, i.e. calorimetry, e.g. by measuring specific heat, by measuring thermal conductivity on combustion or catalytic oxidation, e.g. of components of gas mixtures the rise in temperature of the gases resulting from combustion being measured directly using electric temperature-responsive elements using thermoelectric elements
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T436/00—Chemistry: analytical and immunological testing
- Y10T436/20—Oxygen containing
- Y10T436/204998—Inorganic carbon compounds
- Y10T436/205831—Carbon monoxide only
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T436/00—Chemistry: analytical and immunological testing
- Y10T436/21—Hydrocarbon
- Y10T436/214—Acyclic [e.g., methane, octane, isoparaffin, etc.]
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Biochemistry (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
- Control Of Combustion (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA349,956A CA1087869A (en) | 1976-09-20 | 1980-04-16 | Combustible gases detector |
| CA349,955A CA1087868A (en) | 1976-09-20 | 1980-04-16 | Combustible gases detector |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US724,682 | 1976-09-20 | ||
| US05/724,682 US4063898A (en) | 1976-09-20 | 1976-09-20 | Combustible gases detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1086094A true CA1086094A (en) | 1980-09-23 |
Family
ID=24911433
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA286,977A Expired CA1086094A (en) | 1976-09-20 | 1977-09-19 | Combustible gases detector |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US4063898A (cg-RX-API-DMAC7.html) |
| JP (1) | JPS6026977B2 (cg-RX-API-DMAC7.html) |
| AU (1) | AU509132B2 (cg-RX-API-DMAC7.html) |
| BR (1) | BR7706062A (cg-RX-API-DMAC7.html) |
| CA (1) | CA1086094A (cg-RX-API-DMAC7.html) |
| ES (1) | ES462194A1 (cg-RX-API-DMAC7.html) |
| FR (1) | FR2365121A1 (cg-RX-API-DMAC7.html) |
| GB (1) | GB1586212A (cg-RX-API-DMAC7.html) |
| MX (1) | MX144046A (cg-RX-API-DMAC7.html) |
Families Citing this family (29)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4141955A (en) * | 1977-10-25 | 1979-02-27 | Obiaya Joseph O | Combustible concentration analyzer |
| US4193964A (en) * | 1977-12-21 | 1980-03-18 | A-T-O Inc. | Microminiature palladium oxide gas detector and method of making same |
| US4200608A (en) * | 1978-06-15 | 1980-04-29 | The United States Of America As Represented By The Secretary Of The Army | Detector for fumes of hydrazine and its derivatives |
| US4298574A (en) * | 1979-06-25 | 1981-11-03 | The Babcock & Wilcox Company | Hydrogen gas detector |
| JPS56148474U (cg-RX-API-DMAC7.html) * | 1980-04-07 | 1981-11-07 | ||
| JPS56149494U (cg-RX-API-DMAC7.html) * | 1980-04-07 | 1981-11-10 | ||
| US4355056A (en) * | 1981-03-31 | 1982-10-19 | The Babcock & Wilcox Company | Method of manufacturing a combustibles sensor |
| US4713164A (en) * | 1985-07-25 | 1987-12-15 | Confidence Corporation | Apparatus for analyzing malodors in the breath |
| US4870025A (en) * | 1985-09-30 | 1989-09-26 | Ford Motor Company | Method of sensing methane gas-I |
| US4755355A (en) * | 1986-07-08 | 1988-07-05 | Coy Laboratory Products, Inc. | Trace level oxygen detector for anaerobic atmospheres |
| US4835108A (en) * | 1986-07-28 | 1989-05-30 | The Babcock & Wilcox Company | Method for measuring free oxygen in a combustible atmosphere |
| IN168058B (cg-RX-API-DMAC7.html) * | 1986-07-28 | 1991-01-26 | Babcock & Wilcox Co | |
| US5314828A (en) * | 1990-06-12 | 1994-05-24 | Catalytica, Inc. | NOx sensor and process for detecting NOx |
| BR9106548A (pt) * | 1990-06-12 | 1993-06-01 | Catalytica Inc | Dispositivo autonomo para medir concentracao de nox em uma corrente de gas fluente |
| US5338515A (en) * | 1990-08-17 | 1994-08-16 | Catalytica, Inc. | SO2 sensor |
| US5390644A (en) * | 1991-12-27 | 1995-02-21 | Nippondenso Co., Ltd. | Method for producing fuel/air mixture for combustion engine |
| DE4221922C1 (de) * | 1992-07-03 | 1994-01-13 | Bosch Gmbh Robert | Wärmetönungssensor |
| US5495747A (en) * | 1994-09-30 | 1996-03-05 | Mine Safety Appliances Company | Device for detecting gases for use in diffusion and forced flow modes |
| DE19645694C2 (de) * | 1996-11-06 | 2002-10-24 | Deutsch Zentr Luft & Raumfahrt | Sensor zur Messung der Zusammensetzung von Wasserstoff-Sauerstoff-Gasgemischen |
| US20040009605A1 (en) * | 1999-06-30 | 2004-01-15 | U.S. As Represented By The Administrator Of The National Aeronautics & Space Administration | Method for the detection of volatile organic compounds using a catalytic oxidation sensor |
| US20020081228A1 (en) * | 1999-12-21 | 2002-06-27 | Hui Henry K. | Monitoring sterilant concentration in diffusion-restricted regions as a basis for parametric release |
| US20020122744A1 (en) * | 1999-12-21 | 2002-09-05 | Hui Henry K. | Apparatus and method for monitoring of oxidative gas or vapor |
| EP1293769A3 (en) * | 2001-09-07 | 2004-11-03 | National Institute of Advanced Industrial Science and Technology | Flammable gas sensor and gas concentration measurement method and apparatus |
| US6909271B2 (en) * | 2001-12-05 | 2005-06-21 | Kenneth C. Sloneker | Devices, systems, and methods for measuring differential temperature |
| US20030187606A1 (en) * | 2001-12-13 | 2003-10-02 | Curry Jimmie L. | Method and apparatus for a combustionless BTU measurement meter |
| WO2003096001A1 (en) * | 2002-05-14 | 2003-11-20 | Honda Giken Kogyo Kabushiki Kaisha | Heater-contained gas sensor operation starting method and operation stopping method, and operating method |
| EP2105733A1 (de) * | 2008-03-26 | 2009-09-30 | Micronas GmbH | Verfahren zum Messen der Konzentration eines Gases |
| DE102013217465A1 (de) * | 2013-09-02 | 2015-03-05 | Continental Automotive Gmbh | Sensor zur Detektion oxidierbarer Gase |
| US10401340B2 (en) * | 2014-01-31 | 2019-09-03 | Honeywell International Inc. | Measurement of hazardous gases in hydraulic fracking sites |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3076697A (en) * | 1959-09-11 | 1963-02-05 | Miller Joseph | Analyzer for determining concentration of combustibles in gases |
| NL275018A (cg-RX-API-DMAC7.html) * | 1961-02-24 | |||
| US3801973A (en) * | 1972-12-04 | 1974-04-02 | Gen Motors Corp | Emission sensor |
| US3844920A (en) * | 1973-11-21 | 1974-10-29 | Gen Motors Corp | Air fuel ratio sensor |
| FR2252765A5 (en) * | 1973-11-23 | 1975-06-20 | Sibe | I.C.E. carbon monoxide exhaust measurement method - utilises part of the exhaust gases passed through a channel |
| US3847778A (en) * | 1973-11-26 | 1974-11-12 | Gen Motors Corp | Air-fuel ratio sensor |
| US3906721A (en) * | 1974-08-22 | 1975-09-23 | Gen Motors Corp | Thermoelectric exhaust gas sensor |
| US4029472A (en) * | 1976-04-05 | 1977-06-14 | General Motors Corporation | Thermoelectric exhaust gas sensor |
-
1976
- 1976-09-20 US US05/724,682 patent/US4063898A/en not_active Expired - Lifetime
-
1977
- 1977-08-24 GB GB35505/77A patent/GB1586212A/en not_active Expired
- 1977-08-26 AU AU28260/77A patent/AU509132B2/en not_active Expired
- 1977-09-06 MX MX170482A patent/MX144046A/es unknown
- 1977-09-07 ES ES462194A patent/ES462194A1/es not_active Expired
- 1977-09-09 BR BR7706062A patent/BR7706062A/pt unknown
- 1977-09-12 FR FR7727439A patent/FR2365121A1/fr active Granted
- 1977-09-19 CA CA286,977A patent/CA1086094A/en not_active Expired
- 1977-09-20 JP JP52112288A patent/JPS6026977B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| AU509132B2 (en) | 1980-04-24 |
| US4063898A (en) | 1977-12-20 |
| FR2365121B1 (cg-RX-API-DMAC7.html) | 1982-02-19 |
| GB1586212A (en) | 1981-03-18 |
| FR2365121A1 (fr) | 1978-04-14 |
| JPS6026977B2 (ja) | 1985-06-26 |
| ES462194A1 (es) | 1978-12-16 |
| JPS5339197A (en) | 1978-04-10 |
| MX144046A (es) | 1981-08-24 |
| BR7706062A (pt) | 1978-07-04 |
| AU2826077A (en) | 1979-03-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |