RU2009123798A - DIAGNOSTIC METHOD FOR ENGINE FUEL FEEDING SYSTEM - Google Patents
DIAGNOSTIC METHOD FOR ENGINE FUEL FEEDING SYSTEM Download PDFInfo
- Publication number
- RU2009123798A RU2009123798A RU2009123798/06A RU2009123798A RU2009123798A RU 2009123798 A RU2009123798 A RU 2009123798A RU 2009123798/06 A RU2009123798/06 A RU 2009123798/06A RU 2009123798 A RU2009123798 A RU 2009123798A RU 2009123798 A RU2009123798 A RU 2009123798A
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- RU
- Russia
- Prior art keywords
- engine
- nozzle
- enrichment
- increase
- air
- Prior art date
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Abstract
Способ диагностики системы топливоподачи двигателя, отличающийся тем, что двигатель выводят на заданный режим диагностирования, при котором работает только одна электромагнитная форсунка, путем изменения коэффициента коррекции топливовоздушной смеси достигают обеднения или обогащения топливовоздушной смеси, при этом форсунка с повышенной пропускной способностью реагирует на обогащение смеси уменьшением оборотов коленчатого вала двигателя, а форсунка с пониженной пропускной способностью увеличением оборотов коленчатого вала двигателя, по изменению оборотов коленчатого вала двигателя определяют увеличение или снижение мощности двигателя, значение которой сравнивается с эталонным значением мощности двигателя, полученным для исправной форсунки. A method for diagnosing a fuel supply system of an engine, characterized in that the engine is output to a predetermined diagnostic mode, in which only one electromagnetic nozzle operates, by changing the correction coefficient of the air-fuel mixture, depletion or enrichment of the air-fuel mixture is achieved, while the nozzle with increased throughput reacts to the mixture enrichment by decreasing engine speed, and a nozzle with reduced throughput, an increase in engine speed Attic, the change of revolutions of the engine crankshaft is determined to increase or decrease the engine power, which value is compared with a reference value of the engine power received for the correct injector.
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RU2009123798/06A RU2418190C2 (en) | 2009-06-22 | 2009-06-22 | Method of diagnosing engine fuel feed system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RU2009123798/06A RU2418190C2 (en) | 2009-06-22 | 2009-06-22 | Method of diagnosing engine fuel feed system |
Publications (2)
Publication Number | Publication Date |
---|---|
RU2009123798A true RU2009123798A (en) | 2010-12-27 |
RU2418190C2 RU2418190C2 (en) | 2011-05-10 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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RU2009123798/06A RU2418190C2 (en) | 2009-06-22 | 2009-06-22 | Method of diagnosing engine fuel feed system |
Country Status (1)
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RU (1) | RU2418190C2 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2477384C1 (en) * | 2012-03-14 | 2013-03-10 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Челябинская государственная агроинженерная академия" | Method of diagnosing engine fuel feed system electrically driven fuel pumps |
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2009
- 2009-06-22 RU RU2009123798/06A patent/RU2418190C2/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
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RU2418190C2 (en) | 2011-05-10 |
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Free format text: LICENCE Effective date: 20130320 |
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Effective date: 20140623 |