CN102374001B - Ageing failure diagnosis method of engine catalytic converter - Google Patents
Ageing failure diagnosis method of engine catalytic converter Download PDFInfo
- Publication number
- CN102374001B CN102374001B CN201010247329XA CN201010247329A CN102374001B CN 102374001 B CN102374001 B CN 102374001B CN 201010247329X A CN201010247329X A CN 201010247329XA CN 201010247329 A CN201010247329 A CN 201010247329A CN 102374001 B CN102374001 B CN 102374001B
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- China
- Prior art keywords
- osc
- particular diagnostic
- storage oxygen
- catalytic converter
- diagnosis
- 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.)
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- 238000003745 diagnosis Methods 0.000 title claims abstract description 90
- 230000003197 catalytic effect Effects 0.000 title claims abstract description 69
- 238000000034 method Methods 0.000 title claims abstract description 48
- 230000032683 aging Effects 0.000 title abstract description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 83
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 83
- 239000001301 oxygen Substances 0.000 claims abstract description 83
- 238000012544 monitoring process Methods 0.000 claims abstract description 21
- 230000008569 process Effects 0.000 claims description 36
- 238000012937 correction Methods 0.000 claims description 24
- 239000003054 catalyst Substances 0.000 claims description 20
- 238000002405 diagnostic procedure Methods 0.000 claims description 17
- 238000011144 upstream manufacturing Methods 0.000 claims description 17
- 238000001914 filtration Methods 0.000 claims description 12
- 230000008859 change Effects 0.000 claims description 11
- 230000015556 catabolic process Effects 0.000 claims description 7
- 238000006731 degradation reaction Methods 0.000 claims description 7
- 239000000446 fuel Substances 0.000 description 29
- 230000004044 response Effects 0.000 description 12
- 238000007726 management method Methods 0.000 description 10
- 230000007704 transition Effects 0.000 description 6
- 239000000295 fuel oil Substances 0.000 description 4
- 230000006866 deterioration Effects 0.000 description 3
- 230000009466 transformation Effects 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 239000000498 cooling water Substances 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
Landscapes
- Exhaust Gas After Treatment (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Abstract
Description
Claims (3)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201010247329XA CN102374001B (en) | 2010-08-06 | 2010-08-06 | Ageing failure diagnosis method of engine catalytic converter |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201010247329XA CN102374001B (en) | 2010-08-06 | 2010-08-06 | Ageing failure diagnosis method of engine catalytic converter |
Publications (2)
Publication Number | Publication Date |
---|---|
CN102374001A CN102374001A (en) | 2012-03-14 |
CN102374001B true CN102374001B (en) | 2013-07-10 |
Family
ID=45793139
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201010247329XA Active CN102374001B (en) | 2010-08-06 | 2010-08-06 | Ageing failure diagnosis method of engine catalytic converter |
Country Status (1)
Country | Link |
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CN (1) | CN102374001B (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9599006B2 (en) * | 2011-08-30 | 2017-03-21 | GM Global Technology Operations LLC | Catalyst oxygen storage capacity adjustment systems and methods |
US20130283767A1 (en) * | 2012-04-30 | 2013-10-31 | GM Global Technology Operations LLC | Oxidation catalyst monitoring |
CN104279035B (en) * | 2013-07-11 | 2016-05-11 | 苏州奥易克斯汽车电子有限公司 | The diagnostic method of the catalyst converter of engine |
CN103758619A (en) * | 2014-01-22 | 2014-04-30 | 王有传 | Automobile exhaust forcible maintenance method and device for implementing same |
CN104747258B (en) * | 2015-03-31 | 2018-04-27 | 凯龙高科技股份有限公司 | A kind of combustion-supporting DPF system OBD method for diagnosing faults of oil spout |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101440739A (en) * | 2006-11-20 | 2009-05-27 | 通用汽车环球科技运作公司 | Flexible fuel tolerant catalytic converter diagnostic method |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20070234708A1 (en) * | 2006-04-06 | 2007-10-11 | James Peyton Jones | Method of on-board diagnostic catalyst monitoring |
JP4578544B2 (en) * | 2008-07-07 | 2010-11-10 | 三菱電機株式会社 | Control device for internal combustion engine |
FR2938008B1 (en) * | 2008-11-06 | 2010-11-26 | Valeo Sys Controle Moteur Sas | METHOD FOR DIAGNOSING PERFORMANCES OF A CATALYTIC POT |
-
2010
- 2010-08-06 CN CN201010247329XA patent/CN102374001B/en active Active
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101440739A (en) * | 2006-11-20 | 2009-05-27 | 通用汽车环球科技运作公司 | Flexible fuel tolerant catalytic converter diagnostic method |
Non-Patent Citations (5)
Title |
---|
JP特开2010-14082A 2010.01.21 |
三元催化转化器车载诊断方法研究;彭小红等;《农业装备与车辆工程》;20080331(第3期);第17-20页 * |
基于OBD的三效催化转化器失效的诊断研究;张旭升等;《汽车电器》;20071031(第10期);第8-13页 * |
张旭升等.基于OBD的三效催化转化器失效的诊断研究.《汽车电器》.2007,(第10期), |
彭小红等.三元催化转化器车载诊断方法研究.《农业装备与车辆工程》.2008,(第3期), |
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Publication number | Publication date |
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CN102374001A (en) | 2012-03-14 |
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Legal Events
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C53 | Correction of patent for invention or patent application | ||
CB02 | Change of applicant information |
Address after: 100076 Beijing City Shuangyang East Industrial Zone Daxing District Yizhuang Road No. 8 Applicant after: IAT Automobile Technology Co., Ltd. Address before: 100076 Beijing City Shuangyang East Industrial Zone Daxing District Yizhuang Road No. 8 Applicant before: IAT (China) Auto Technology Co., Ltd. |
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COR | Change of bibliographic data |
Free format text: CORRECT: APPLICANT; FROM: IAT (CHINA) AUTO TECHNOLOGY CO., LTD. TO: IAT AUTOMOBILE TECHNOLOGY CO., LTD. |
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C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
ASS | Succession or assignment of patent right |
Owner name: CHANGCHUN AECON CAR ELECTRONICS CO., LTD. Free format text: FORMER OWNER: IAT AUTOMOBILE TECHNOLOGY CO., LTD. Effective date: 20120724 |
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C41 | Transfer of patent application or patent right or utility model | ||
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Free format text: CORRECT: ADDRESS; FROM: 100076 DAXING, BEIJING TO: 130012 CHANGCHUN, JILIN PROVINCE |
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Effective date of registration: 20120724 Address after: 130012 No. 1555, Jiayuan Road, hi tech Development Zone, Jilin, Changchun Applicant after: Changchun Aecon Automobile Electronic Co., Ltd. Address before: 100076 Beijing City Shuangyang East Industrial Zone Daxing District Yizhuang Road No. 8 Applicant before: IAT Automobile Technology Co., Ltd. |
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C14 | Grant of patent or utility model | ||
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Effective date of registration: 20191022 Address after: 2, building 215000, building A, science and Technology Pioneer Park, 2358 Changan Road, Wujiang Road, Suzhou, Jiangsu Patentee after: SUZHOU AOYIKESI AUTOMOBILE ELECTRONICS CO., LTD. Address before: 130012 No. 1555, Jiayuan Road, hi tech Development Zone, Jilin, Changchun Patentee before: Changchun Aecon Automobile Electronic Co., Ltd. |
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TR01 | Transfer of patent right |
Effective date of registration: 20210208 Address after: 226001 No.88 Xinning Road, Chongchuan District, Nantong City, Jiangsu Province Patentee after: Jiangsu aoyikesi Automotive Electronic Technology Co.,Ltd. Address before: 2 / F, building a, science and Technology Pioneer Park, no.2358, Chang'an Road, Wujiang District, Suzhou City, Jiangsu Province Patentee before: SUZHOU AECS AUTOMOTIVE ELECTRONICS Co.,Ltd. |
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