CN102748181B - 一种喷油器故障诊断方法和装置 - Google Patents
一种喷油器故障诊断方法和装置 Download PDFInfo
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- CN102748181B CN102748181B CN201210272034.7A CN201210272034A CN102748181B CN 102748181 B CN102748181 B CN 102748181B CN 201210272034 A CN201210272034 A CN 201210272034A CN 102748181 B CN102748181 B CN 102748181B
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- rail pressure
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- factory
- pressure frequency
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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
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- Testing And Monitoring For Control Systems (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
Abstract
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CN201210272034.7A CN102748181B (zh) | 2012-08-01 | 2012-08-01 | 一种喷油器故障诊断方法和装置 |
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CN201210272034.7A CN102748181B (zh) | 2012-08-01 | 2012-08-01 | 一种喷油器故障诊断方法和装置 |
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CN102748181A CN102748181A (zh) | 2012-10-24 |
CN102748181B true CN102748181B (zh) | 2014-11-05 |
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CN201210272034.7A Active CN102748181B (zh) | 2012-08-01 | 2012-08-01 | 一种喷油器故障诊断方法和装置 |
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Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9593637B2 (en) * | 2013-12-05 | 2017-03-14 | Ford Global Technologies, Llc | Method of diagnosing injector variability in a multiple injector system |
CN104047750B (zh) * | 2014-06-17 | 2016-03-16 | 中国第一汽车股份有限公司无锡油泵油嘴研究所 | 内燃机燃油喷射量监控方法 |
DE102014218430A1 (de) * | 2014-09-15 | 2016-03-17 | Bayerische Motoren Werke Aktiengesellschaft | Verfahren zur Erkennung von defekten Einspritzdüsen eines Verbrennungsmotors |
US10082206B2 (en) * | 2015-12-08 | 2018-09-25 | GM Global Technology Operations LLC | Control of a continuously variable transmission using fast fourier transformation |
CN109404193B (zh) * | 2017-08-16 | 2021-11-12 | 罗伯特·博世有限公司 | 用于检测预喷射油量偏差的方法和装置 |
DE102017219578A1 (de) * | 2017-11-03 | 2019-05-09 | Robert Bosch Gmbh | Verfahren zum Erkennen einer Nullförderung einer Hochdruckpumpe |
CN109340007B (zh) * | 2018-09-27 | 2020-07-28 | 潍柴动力股份有限公司 | 一种喷油器堵塞判断方法和装置 |
CN110823474B (zh) * | 2019-09-27 | 2021-07-16 | 一汽解放汽车有限公司 | 一种燃油***泄漏程度评估方法及存储介质 |
US11002214B1 (en) * | 2019-10-18 | 2021-05-11 | GM Global Technology Operations LLC | Early detection of fuel injectors with manufacturing issues |
CN110954319B (zh) * | 2019-12-20 | 2021-11-19 | 潍柴动力股份有限公司 | 一种喷射阀故障监测方法和装置 |
CN111237072B (zh) * | 2020-03-27 | 2022-08-05 | 潍柴动力股份有限公司 | 一种电控柴油机喷嘴故障识别方法、***及电子控制单元 |
CN115387903B (zh) * | 2022-05-20 | 2024-04-19 | 潍柴动力股份有限公司 | 柴油机的故障检测方法、装置、动力装置及介质 |
Citations (2)
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CN101000020A (zh) * | 2006-12-22 | 2007-07-18 | 吉林大学 | 内燃机失火检测方法及*** |
EP1870586A1 (en) * | 2006-06-16 | 2007-12-26 | Delphi Technologies, Inc. | Apparatus for detecting and identifying component failure in a fuel system |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009191778A (ja) * | 2008-02-15 | 2009-08-27 | Hitachi Ltd | 高圧燃料システムの制御診断装置 |
US7856867B2 (en) * | 2009-02-06 | 2010-12-28 | Gm Global Technology Operations, Inc. | Injector control performance diagnostic systems |
US9759142B2 (en) * | 2009-03-09 | 2017-09-12 | GM Global Technology Operations LLC | Fuel ignition quality detection systems and methods |
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2012
- 2012-08-01 CN CN201210272034.7A patent/CN102748181B/zh active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1870586A1 (en) * | 2006-06-16 | 2007-12-26 | Delphi Technologies, Inc. | Apparatus for detecting and identifying component failure in a fuel system |
CN101000020A (zh) * | 2006-12-22 | 2007-07-18 | 吉林大学 | 内燃机失火检测方法及*** |
Non-Patent Citations (3)
Title |
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F Payri et.al..Injection diagnosis through common-rail pressure measurement.《Proceedings of the Institution of Mechanical Engineering, Part D: Journal of Automobile Engineering》.2006,第220卷(第3期),347-357. * |
Injection diagnosis through common-rail pressure measurement;F Payri et.al.;《Proceedings of the Institution of Mechanical Engineering, Part D: Journal of Automobile Engineering》;20061231;第220卷(第3期);第2-5节、图1-10 * |
JP特开2009-191778A 2009.08.27 * |
Also Published As
Publication number | Publication date |
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CN102748181A (zh) | 2012-10-24 |
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C06 | Publication | ||
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SE01 | Entry into force of request for substantive examination | ||
C53 | Correction of patent for invention or patent application | ||
CB03 | Change of inventor or designer information |
Inventor after: Wang Zhijian Inventor after: Yue Guangzhao Inventor after: Sang Hailang Inventor after: Lv Zhihua Inventor after: Zhang Zhanteng Inventor before: Yue Guangzhao Inventor before: Sang Hailang Inventor before: Lv Zhihua Inventor before: Zhang Zhanteng |
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COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: YUE GUANGZHAO SANG HAILANG LV ZHIHUA ZHANG ZHANTENG TO: WANG ZHIJIAN YUE GUANGZHAO SANG HAILANG LV ZHIHUA ZHANG ZHANTENG |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20121024 Assignee: Weichai Power (Weifang) Reproduction Co., Ltd. Assignor: Weichai Dynamic Co., Ltd. Contract record no.: 2015990000879 Denomination of invention: Method and device for diagnosing faults of fuel injector Granted publication date: 20141105 License type: Exclusive License Record date: 20151022 |
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LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model |