CN201679544U - 发动机催化转化器故障诊断装置 - Google Patents
发动机催化转化器故障诊断装置 Download PDFInfo
- Publication number
- CN201679544U CN201679544U CN2010201679125U CN201020167912U CN201679544U CN 201679544 U CN201679544 U CN 201679544U CN 2010201679125 U CN2010201679125 U CN 2010201679125U CN 201020167912 U CN201020167912 U CN 201020167912U CN 201679544 U CN201679544 U CN 201679544U
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- CN
- China
- Prior art keywords
- unit
- catalytic converter
- fuel ratio
- air fuel
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- 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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- 230000003197 catalytic effect Effects 0.000 title claims abstract description 53
- 238000003745 diagnosis Methods 0.000 title claims abstract description 27
- 239000000446 fuel Substances 0.000 claims abstract description 40
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 32
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 32
- 239000001301 oxygen Substances 0.000 claims abstract description 32
- 230000032683 aging Effects 0.000 claims abstract description 10
- 239000000295 fuel oil Substances 0.000 claims abstract description 8
- 239000003054 catalyst Substances 0.000 claims description 8
- 238000011144 upstream manufacturing Methods 0.000 claims description 7
- 238000012544 monitoring process Methods 0.000 claims description 6
- 239000000498 cooling water Substances 0.000 claims description 3
- 230000015556 catabolic process Effects 0.000 description 5
- 238000006731 degradation reaction Methods 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 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
- 238000000034 method Methods 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Images
Classifications
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- 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
- Testing Of Engines (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Abstract
Description
Claims (5)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2010201679125U CN201679544U (zh) | 2010-04-23 | 2010-04-23 | 发动机催化转化器故障诊断装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2010201679125U CN201679544U (zh) | 2010-04-23 | 2010-04-23 | 发动机催化转化器故障诊断装置 |
Publications (1)
Publication Number | Publication Date |
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CN201679544U true CN201679544U (zh) | 2010-12-22 |
Family
ID=43344591
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN2010201679125U Expired - Fee Related CN201679544U (zh) | 2010-04-23 | 2010-04-23 | 发动机催化转化器故障诊断装置 |
Country Status (1)
Country | Link |
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CN (1) | CN201679544U (zh) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102606267A (zh) * | 2011-01-21 | 2012-07-25 | 通用汽车环球科技运作有限责任公司 | 车载诊断***和方法 |
CN102966419A (zh) * | 2011-08-30 | 2013-03-13 | 通用汽车环球科技运作有限责任公司 | 催化剂储氧能力调节***和方法 |
CN109915268A (zh) * | 2017-12-12 | 2019-06-21 | 丰田自动车株式会社 | 催化剂劣化检测装置 |
CN111997725A (zh) * | 2020-09-09 | 2020-11-27 | 东风汽车有限公司 | 一种车载催化转化器异常诊断及电子设备 |
-
2010
- 2010-04-23 CN CN2010201679125U patent/CN201679544U/zh not_active Expired - Fee Related
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102606267A (zh) * | 2011-01-21 | 2012-07-25 | 通用汽车环球科技运作有限责任公司 | 车载诊断***和方法 |
CN102966419A (zh) * | 2011-08-30 | 2013-03-13 | 通用汽车环球科技运作有限责任公司 | 催化剂储氧能力调节***和方法 |
CN102966419B (zh) * | 2011-08-30 | 2016-12-21 | 通用汽车环球科技运作有限责任公司 | 催化剂储氧能力调节***和方法 |
CN109915268A (zh) * | 2017-12-12 | 2019-06-21 | 丰田自动车株式会社 | 催化剂劣化检测装置 |
CN109915268B (zh) * | 2017-12-12 | 2021-10-15 | 丰田自动车株式会社 | 催化剂劣化检测装置 |
CN111997725A (zh) * | 2020-09-09 | 2020-11-27 | 东风汽车有限公司 | 一种车载催化转化器异常诊断及电子设备 |
CN111997725B (zh) * | 2020-09-09 | 2022-01-07 | 东风汽车有限公司 | 一种车载催化转化器异常诊断及电子设备 |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Fault diagnosis device for catalytic converter of engine Effective date of registration: 20111114 Granted publication date: 20101222 Pledgee: Pudong Development Bank of Shanghai, Limited by Share Ltd, Beijing branch Pledgor: IAT (China) Auto Technology Co., Ltd. Registration number: 2011990000434 |
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C56 | Change in the name or address of the patentee |
Owner name: IAT AUTOMOBILE TECHNOLOGY CO., LTD. Free format text: FORMER NAME: IAT (CHINA) AUTOMOBILE TECHNOLOGY CO., LTD. |
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CP01 | Change in the name or title of a patent holder |
Address after: 100076 Beijing City Shuangyang East Industrial Zone Daxing District Yizhuang Road No. 8 Patentee after: IAT Automobile Technology Co., Ltd. Address before: 100076 Beijing City Shuangyang East Industrial Zone Daxing District Yizhuang Road No. 8 Patentee before: IAT (China) Auto Technology Co., Ltd. |
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EE01 | Entry into force of recordation of patent licensing contract |
Assignee: BEIJING IAT AUTOMOBILE TECHNOLOGY CO., LTD. Assignor: IAT Automobile Technology Co., Ltd. Contract record no.: 2012990000909 Denomination of utility model: Fault diagnosis device for catalytic converter of engine Granted publication date: 20101222 License type: Exclusive License Record date: 20121221 |
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Date of cancellation: 20121221 Granted publication date: 20101222 Pledgee: Pudong Development Bank of Shanghai, Limited by Share Ltd, Beijing branch Pledgor: IAT Automobile Technology Co., Ltd. Registration number: 2011990000434 |
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Denomination of utility model: Fault diagnosis device for catalytic converter of engine Effective date of registration: 20130105 Granted publication date: 20101222 Pledgee: Pudong Development Bank of Shanghai, Limited by Share Ltd, Beijing branch Pledgor: IAT Automobile Technology Co., Ltd. Registration number: 2013990000009 |
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PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Fault diagnosis device for catalytic converter of engine Effective date of registration: 20140425 Granted publication date: 20101222 Pledgee: Pudong Development Bank of Shanghai, Limited by Share Ltd, Beijing branch Pledgor: IAT Automobile Technology Co., Ltd. Registration number: 2014990000298 |
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PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Fault diagnosis device for catalytic converter of engine Effective date of registration: 20150630 Granted publication date: 20101222 Pledgee: Pudong Development Bank of Shanghai, Limited by Share Ltd, Beijing branch Pledgor: IAT Automobile Technology Co., Ltd. Registration number: 2015990000518 |
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EC01 | Cancellation of recordation of patent licensing contract | ||
EC01 | Cancellation of recordation of patent licensing contract |
Assignee: BEIJING IAT AUTOMOBILE TECHNOLOGY CO., LTD. Assignor: IAT Automobile Technology Co., Ltd. Contract record no.: 2012990000909 Date of cancellation: 20170329 |
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Granted publication date: 20101222 Termination date: 20170423 |