JPS6336463B2 - - Google Patents
Info
- Publication number
- JPS6336463B2 JPS6336463B2 JP55044773A JP4477380A JPS6336463B2 JP S6336463 B2 JPS6336463 B2 JP S6336463B2 JP 55044773 A JP55044773 A JP 55044773A JP 4477380 A JP4477380 A JP 4477380A JP S6336463 B2 JPS6336463 B2 JP S6336463B2
- Authority
- JP
- Japan
- Prior art keywords
- sensor
- base plate
- heating element
- sensor element
- area
- 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
- 238000010438 heat treatment Methods 0.000 claims description 45
- 239000007789 gas Substances 0.000 claims description 21
- 229910052760 oxygen Inorganic materials 0.000 claims description 20
- 239000001301 oxygen Substances 0.000 claims description 20
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 18
- 239000000919 ceramic Substances 0.000 claims description 6
- 239000007784 solid electrolyte Substances 0.000 claims description 3
- WYTGDNHDOZPMIW-RCBQFDQVSA-N alstonine Natural products C1=CC2=C3C=CC=CC3=NC2=C2N1C[C@H]1[C@H](C)OC=C(C(=O)OC)[C@H]1C2 WYTGDNHDOZPMIW-RCBQFDQVSA-N 0.000 claims description 2
- MCMNRKCIXSYSNV-UHFFFAOYSA-N ZrO2 Inorganic materials O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims 1
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 claims 1
- 239000004020 conductor Substances 0.000 description 9
- 238000005259 measurement Methods 0.000 description 9
- 239000010410 layer Substances 0.000 description 7
- 229910052751 metal Inorganic materials 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 239000011241 protective layer Substances 0.000 description 6
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 4
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 4
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 229910044991 metal oxide Inorganic materials 0.000 description 2
- 150000004706 metal oxides Chemical class 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- -1 oxygen ion Chemical class 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 229910000990 Ni alloy Inorganic materials 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000005524 ceramic coating Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 239000012777 electrically insulating material Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910000480 nickel oxide Inorganic materials 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 239000012925 reference material Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
- 229910052845 zircon Inorganic materials 0.000 description 1
- GFQYVLUOOAAOGM-UHFFFAOYSA-N zirconium(iv) silicate Chemical compound [Zr+4].[O-][Si]([O-])([O-])[O-] GFQYVLUOOAAOGM-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
- G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
- G01N27/403—Cells and electrode assemblies
- G01N27/406—Cells and probes with solid electrolytes
- G01N27/407—Cells and probes with solid electrolytes for investigating or analysing gases
- G01N27/4071—Cells and probes with solid electrolytes for investigating or analysing gases using sensor elements of laminated structure
-
- 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
- G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
- G01N27/403—Cells and electrode assemblies
- G01N27/406—Cells and probes with solid electrolytes
- G01N27/4067—Means for heating or controlling the temperature of the solid electrolyte
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Molecular Biology (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 Fluid Adsorption Or Reactions (AREA)
- Measuring Oxygen Concentration In Cells (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19792913866 DE2913866A1 (de) | 1979-04-06 | 1979-04-06 | Messfuehler fuer die bestimmung von bestandteilen in stroemenden gasen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS55140145A JPS55140145A (en) | 1980-11-01 |
| JPS6336463B2 true JPS6336463B2 (US20020051482A1-20020502-M00012.png) | 1988-07-20 |
Family
ID=6067609
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4477380A Granted JPS55140145A (en) | 1979-04-06 | 1980-04-07 | Sensor for measuring components in flowing gas |
Country Status (6)
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1991002245A1 (en) * | 1989-08-08 | 1991-02-21 | Nippondenso Co., Ltd. | Oxygen sensor |
Families Citing this family (70)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3017947A1 (de) * | 1980-05-10 | 1981-11-12 | Bosch Gmbh Robert | Elektrochemischer messfuehler fuer die bestimmung des sauerstoffgehaltes in gasen und verfahren zum herstellen von sensorelementen fuer derartige messfuehler |
| US4449919A (en) * | 1980-07-10 | 1984-05-22 | Tokyo Shibaura Denki Kabushiki Kaisha | Gas combustion apparatus capable of detecting environmental oxygen deficiency |
| JPS57184963A (en) * | 1981-05-11 | 1982-11-13 | Toyota Motor Corp | Lean sensor |
| DE3120159A1 (de) * | 1981-05-21 | 1982-12-09 | Bosch Gmbh Robert | Elektrochemischer messfuehler fuer die bestimmung des sauerstoffgehaltes in gasen |
| DE3150435A1 (de) * | 1981-12-19 | 1983-06-30 | Bosch Gmbh Robert | Verfahren zum herstellen eines elektrischen bauteils |
| JPS58124943A (ja) * | 1982-01-21 | 1983-07-25 | Toyota Central Res & Dev Lab Inc | マイクロヒ−タ付き限界電流式酸素センサとそれを用いた限界電流式酸素濃度検出装置 |
| JPS5930059A (ja) * | 1982-08-13 | 1984-02-17 | Hitachi Ltd | 空気−燃料比センサ |
| JPS5968190A (ja) * | 1982-10-08 | 1984-04-18 | 日本碍子株式会社 | ヒ−タ− |
| US4578174A (en) * | 1983-05-09 | 1986-03-25 | Ngk Insulators, Ltd. | Oxygen sensor with heater |
| JPS6036949A (ja) * | 1983-08-09 | 1985-02-26 | Ngk Insulators Ltd | 酸素センサ素子 |
| JPS6036948A (ja) * | 1983-08-09 | 1985-02-26 | Ngk Insulators Ltd | 電気化学的装置 |
| DE3482745D1 (de) * | 1983-11-18 | 1990-08-23 | Ngk Insulators Ltd | Elektrochemische vorrichtung mit einem messfuehlelement. |
| JPS60108745A (ja) * | 1983-11-18 | 1985-06-14 | Ngk Insulators Ltd | 電気化学的装置 |
| US4579643A (en) * | 1983-11-18 | 1986-04-01 | Ngk Insulators, Ltd. | Electrochemical device |
| JPS60173461A (ja) * | 1984-02-20 | 1985-09-06 | Nissan Motor Co Ltd | 酸素センサ |
| JPS60259951A (ja) * | 1984-06-06 | 1985-12-23 | Ngk Insulators Ltd | 電気化学的素子 |
| JPS61147155A (ja) * | 1984-12-20 | 1986-07-04 | Ngk Insulators Ltd | 電気化学的装置 |
| DE3645397B4 (de) * | 1985-08-23 | 2005-08-18 | NGK Spark Plug Co., Ltd., Nagoya | Elektrisches Heizelement |
| JPS6293653A (ja) * | 1985-10-18 | 1987-04-30 | Ngk Insulators Ltd | 加熱センサ |
| JPH0664009B2 (ja) * | 1986-03-28 | 1994-08-22 | 日本碍子株式会社 | ガスセンサ−素子 |
| JPS6363962A (ja) * | 1986-09-04 | 1988-03-22 | Ngk Insulators Ltd | 工業用酸素濃度測定装置 |
| JPH0769295B2 (ja) * | 1988-02-22 | 1995-07-26 | 日本碍子株式会社 | 電気化学的装置 |
| US4897174A (en) * | 1988-05-24 | 1990-01-30 | Gte Laboratories Incorporated | Gas sensing apparatus |
| US4880519A (en) * | 1988-05-24 | 1989-11-14 | Gte Laboratories Incorporated | Gas sensor element |
| US4980044A (en) * | 1989-03-31 | 1990-12-25 | General Motors Corporation | Oxygen sensor having a flat plate element and heater |
| JPH03138560A (ja) * | 1989-10-25 | 1991-06-12 | Ngk Insulators Ltd | 加熱型空燃比検出器 |
| DE4019708A1 (de) * | 1990-06-21 | 1992-01-02 | Gyulai Maria Dobosne | Erhoehung der lebensdauer bei elektrochemischen sensoren |
| DE4021929C2 (de) * | 1990-07-10 | 1998-04-30 | Abb Patent Gmbh | Sensor |
| US5431806A (en) * | 1990-09-17 | 1995-07-11 | Fujitsu Limited | Oxygen electrode and temperature sensor |
| US5837113A (en) * | 1990-12-06 | 1998-11-17 | Fujitsu Limited | Small glass electrode |
| DE9103547U1 (de) * | 1991-01-30 | 1992-06-04 | Roth-Technik Gmbh & Co Forschung Fuer Automobil- Und Umwelttechnik, 7560 Gaggenau | Vorrichtung zum kontinuierlichen Überwachen der Konzentrationen von gasförmigen Bestandteilen in Gasgemischen |
| DE4240812A1 (de) * | 1992-12-04 | 1994-06-09 | Bosch Gmbh Robert | Heizeranordnung für einen Meßfühler zur Bestimmung von Bestandteilen in Gasen |
| DE19751128A1 (de) * | 1997-11-19 | 1999-05-20 | Bosch Gmbh Robert | Sensorelement und Verfahren zur Herstellung eines Sensorelements |
| DE19803562B4 (de) | 1998-01-30 | 2011-06-01 | Robert Bosch Gmbh | Sensorelement |
| DE19900017C2 (de) * | 1999-01-02 | 2003-10-30 | Bosch Gmbh Robert | Gassensor |
| DE19921532A1 (de) * | 1999-05-11 | 2000-11-30 | Heraeus Electro Nite Int | Gassensor mit diffusions-limitierender Schicht |
| US6418784B1 (en) * | 1999-10-08 | 2002-07-16 | Ford Global Technologies, Inc. | Combined combustible gas sensor and temperature detector |
| CA2441879A1 (en) * | 2001-03-22 | 2002-10-03 | University Of Maryland | Sensor probe for measuring temperature and liquid volumetric fraction of a liquid droplet laden hot gas and method of using same |
| US6910371B2 (en) * | 2002-02-21 | 2005-06-28 | General Motors Corporation | Extended durability sensing system |
| DE10210974B4 (de) * | 2002-03-13 | 2005-02-17 | Robert Bosch Gmbh | Sensorelement |
| US6634210B1 (en) * | 2002-04-17 | 2003-10-21 | Delphi Technologies, Inc. | Particulate sensor system |
| US6924468B2 (en) * | 2002-12-14 | 2005-08-02 | Thermoceramix, Inc. | System and method for heating materials |
| DE102004043121A1 (de) * | 2004-09-07 | 2006-03-09 | Robert Bosch Gmbh | Sensorelement für Partikelsensoren und Verfahren zum Betrieb desselben |
| GB0502390D0 (en) * | 2005-02-05 | 2005-03-16 | Ceramaspeed Ltd | Electrical heating arrangement |
| AT8257U1 (de) * | 2005-04-19 | 2006-04-15 | Electrovac | Messfühleranordnung |
| EP1872115A1 (de) * | 2005-04-20 | 2008-01-02 | Heraeus Sensor Technology Gmbh | Russsensor |
| DE102005018838A1 (de) * | 2005-04-22 | 2006-11-30 | Robert Bosch Gmbh | Sensorelement für Partikelsensoren und Verfahren zum Betrieb desselben |
| DE102005030134A1 (de) * | 2005-06-28 | 2007-01-04 | Siemens Ag | Sensor und Betriebsverfahren zur Detektion von Ruß |
| US7611612B2 (en) * | 2005-07-14 | 2009-11-03 | Ceramatec, Inc. | Multilayer ceramic NOx gas sensor device |
| US7887685B2 (en) * | 2005-07-14 | 2011-02-15 | Caterpillar Inc. | Multilayer gas sensor having dual heating zones |
| US7334401B2 (en) * | 2006-01-19 | 2008-02-26 | Gm Global Technology Operations, Inc. | Apparatus for sensing particulates in a gas flow stream |
| US20080206107A1 (en) * | 2007-02-23 | 2008-08-28 | Honeywell International Inc. | Gas sensor apparatus for automotive exhaust gas applications |
| US7805992B2 (en) * | 2007-03-27 | 2010-10-05 | Honeywell International Inc. | Gas sensor housing for use in high temperature gas environments |
| US8151626B2 (en) * | 2007-11-05 | 2012-04-10 | Honeywell International Inc. | System and method for sensing high temperature particulate matter |
| US7966862B2 (en) | 2008-01-28 | 2011-06-28 | Honeywell International Inc. | Electrode structure for particulate matter sensor |
| US7644609B2 (en) * | 2008-06-04 | 2010-01-12 | Honeywell International Inc. | Exhaust sensor apparatus and method |
| DE102008047369A1 (de) * | 2008-09-15 | 2010-04-15 | Heraeus Sensor Technology Gmbh | Epitaktischer Rußsensor |
| US8225640B2 (en) * | 2008-12-11 | 2012-07-24 | Delphi Technologies, Inc. | Soot sensor and method for sensing soot |
| EP2539561A4 (en) * | 2010-02-25 | 2017-11-22 | Stoneridge, Inc. | Soot sensor system |
| US20120125770A1 (en) * | 2010-05-21 | 2012-05-24 | National University Corporation Niigata University | Hydrogen gas sensor |
| JP6346560B2 (ja) | 2011-05-26 | 2018-06-20 | ストーンリッジ・インコーポレッド | 煤センサシステム |
| KR101724499B1 (ko) * | 2015-12-11 | 2017-04-07 | 현대자동차 주식회사 | 입자상 물질 센서 및 이를 이용한 측정방법 |
| US10288579B2 (en) * | 2016-02-09 | 2019-05-14 | Ngk Spark Plug Co., Ltd. | Gas sensor |
| US10288575B2 (en) | 2016-05-31 | 2019-05-14 | Ams Sensors Uk Limited | Environment sensor system |
| JP6895308B2 (ja) * | 2017-05-10 | 2021-06-30 | 日本碍子株式会社 | センサ素子 |
| EP3647777A4 (en) * | 2017-06-27 | 2021-03-17 | Kyocera Corporation | SENSOR SUBSTRATE AND SENSOR DEVICE |
| US11002700B2 (en) | 2017-11-21 | 2021-05-11 | Honeywell International Inc. | High temperature gas sensor |
| WO2019125822A1 (en) * | 2017-12-22 | 2019-06-27 | Illumina, Inc. | Passivating fissures in substrates |
| US11391232B2 (en) * | 2019-10-23 | 2022-07-19 | Delphi Technologies Ip Limited | Particulate matter sensor |
| US11480542B2 (en) | 2019-11-26 | 2022-10-25 | Delphi Technologies Ip Limited | Particulate matter sensor and electrode pattern thereof |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4995593A (US20020051482A1-20020502-M00012.png) * | 1973-01-12 | 1974-09-10 | ||
| JPS5156291A (en) * | 1974-09-10 | 1976-05-17 | Lucas Electrical Co Ltd | Nenshokoteiniokeru hoshutsuhaikiseibunomonitasurusochi |
| US4007435A (en) * | 1973-07-30 | 1977-02-08 | Tien Tseng Ying | Sensor device and method of manufacturing same |
| JPS5246899A (en) * | 1975-10-09 | 1977-04-14 | Matsushita Electric Ind Co Ltd | Gas detecting device |
| JPS5269693A (en) * | 1975-12-09 | 1977-06-09 | Asahi Glass Co Ltd | Preparation process for gas detecting elements |
| JPS53117500A (en) * | 1977-03-24 | 1978-10-13 | Asahi Glass Co Ltd | Gas sensor element |
| JPS53127790A (en) * | 1977-04-12 | 1978-11-08 | Lucas Industries Ltd | Monitor for exhaust gas composition from combustion process |
| JPS5424391B2 (US20020051482A1-20020502-M00012.png) * | 1973-06-22 | 1979-08-21 |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3901067A (en) * | 1973-06-21 | 1975-08-26 | Gen Monitors | Semiconductor gas detector and method therefor |
| US3989614A (en) * | 1975-01-08 | 1976-11-02 | Tseng Ying Tien | Gas sensor |
| US4045178A (en) * | 1975-11-08 | 1977-08-30 | Matsushita Electric Industrial Co., Ltd. | Reducing gas sensor |
| US4011538A (en) * | 1976-01-30 | 1977-03-08 | Illinois Tool Works Inc. | Fluid sensor |
| JPS5348594A (en) * | 1976-10-14 | 1978-05-02 | Nissan Motor | Oxygen sensor |
| GB1586117A (en) * | 1977-06-22 | 1981-03-18 | Rosemount Eng Co Ltd | Solid state sensor element |
| JPS5424391U (US20020051482A1-20020502-M00012.png) * | 1977-07-21 | 1979-02-17 | ||
| FR2404848A1 (fr) * | 1978-09-29 | 1979-04-27 | Sybron Corp | Dispositif a electrolyte solide pour la surveillance d'un constituant dans un melange fluide |
| DE2907032C2 (de) * | 1979-02-23 | 1984-06-20 | Robert Bosch Gmbh, 7000 Stuttgart | Polarographischer Sauerstoffmeßfühler für Gase, insbesondere für Abgase von Verbrennungsmotoren |
| JP3065163B2 (ja) * | 1992-03-06 | 2000-07-12 | 三井化学株式会社 | ペンタンの脱臭方法 |
| JPH05269693A (ja) * | 1992-03-23 | 1993-10-19 | Ishii Kogyo Kk | バンド切断装置 |
-
1979
- 1979-04-06 DE DE19792913866 patent/DE2913866A1/de active Granted
-
1980
- 1980-02-04 FR FR8002380A patent/FR2453409A1/fr active Granted
- 1980-02-14 US US06/121,599 patent/US4300990A/en not_active Expired - Lifetime
- 1980-04-02 GB GB8011025A patent/GB2046921B/en not_active Expired
- 1980-04-04 IT IT21226/80A patent/IT1141521B/it active
- 1980-04-07 JP JP4477380A patent/JPS55140145A/ja active Granted
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4995593A (US20020051482A1-20020502-M00012.png) * | 1973-01-12 | 1974-09-10 | ||
| JPS5424391B2 (US20020051482A1-20020502-M00012.png) * | 1973-06-22 | 1979-08-21 | ||
| US4007435A (en) * | 1973-07-30 | 1977-02-08 | Tien Tseng Ying | Sensor device and method of manufacturing same |
| JPS5156291A (en) * | 1974-09-10 | 1976-05-17 | Lucas Electrical Co Ltd | Nenshokoteiniokeru hoshutsuhaikiseibunomonitasurusochi |
| JPS5246899A (en) * | 1975-10-09 | 1977-04-14 | Matsushita Electric Ind Co Ltd | Gas detecting device |
| JPS5269693A (en) * | 1975-12-09 | 1977-06-09 | Asahi Glass Co Ltd | Preparation process for gas detecting elements |
| JPS53117500A (en) * | 1977-03-24 | 1978-10-13 | Asahi Glass Co Ltd | Gas sensor element |
| JPS53127790A (en) * | 1977-04-12 | 1978-11-08 | Lucas Industries Ltd | Monitor for exhaust gas composition from combustion process |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1991002245A1 (en) * | 1989-08-08 | 1991-02-21 | Nippondenso Co., Ltd. | Oxygen sensor |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2453409A1 (fr) | 1980-10-31 |
| GB2046921B (en) | 1983-04-20 |
| DE2913866C2 (US20020051482A1-20020502-M00012.png) | 1987-03-12 |
| GB2046921A (en) | 1980-11-19 |
| DE2913866A1 (de) | 1980-10-23 |
| JPS55140145A (en) | 1980-11-01 |
| US4300990A (en) | 1981-11-17 |
| IT8021226A0 (it) | 1980-04-04 |
| IT1141521B (it) | 1986-10-01 |
| FR2453409B1 (US20020051482A1-20020502-M00012.png) | 1985-05-24 |
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