Method to diagnose a fault in a fuel injection system of an internal combustion engine
A method to diagnose a fault in a fuel injection system 40 of an internal combustion engine 10 is disclosed. The method comprises the steps of commanding an injection pulse for injecting test quantity of fuel into an engine cylinder 20, determining the torque TRa released to an engine crankshaft 30...
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| creator | BASTIANELLI MICHELE GIROTTO MARCO FAZIO TOMMASO DE |
| description | A method to diagnose a fault in a fuel injection system 40 of an internal combustion engine 10 is disclosed. The method comprises the steps of commanding an injection pulse for injecting test quantity of fuel into an engine cylinder 20, determining the torque TRa released to an engine crankshaft 30 due to said injection pulse, of calculating the difference between this released torque TRa and an expected value TRe for said torque, and of detecting a fault in the fuel injection system 40 if said difference exceeds a threshold E*. Also disclosed in an associated computer program for use in an engine ECU. |
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The method comprises the steps of commanding an injection pulse for injecting test quantity of fuel into an engine cylinder 20, determining the torque TRa released to an engine crankshaft 30 due to said injection pulse, of calculating the difference between this released torque TRa and an expected value TRe for said torque, and of detecting a fault in the fuel injection system 40 if said difference exceeds a threshold E*. 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The method comprises the steps of commanding an injection pulse for injecting test quantity of fuel into an engine cylinder 20, determining the torque TRa released to an engine crankshaft 30 due to said injection pulse, of calculating the difference between this released torque TRa and an expected value TRe for said torque, and of detecting a fault in the fuel injection system 40 if said difference exceeds a threshold E*. Also disclosed in an associated computer program for use in an engine ECU.</description><subject>BLASTING</subject><subject>COMBUSTION ENGINES</subject><subject>CONTROLLING COMBUSTION ENGINES</subject><subject>HEATING</subject><subject>HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS</subject><subject>LIGHTING</subject><subject>MECHANICAL ENGINEERING</subject><subject>WEAPONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2011</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqNijEKwkAQRdNYiHqH8QBCsoJgKUGx0Upsw5j8xJXNTHBnC29vFA9g9R6PN82uJ9hdGzKlxnMnGkFMLadg5OWjCWG0B2rzKhRf0dCTtsQyZsNTOFCt_S3F7wDpvGCeTVoOEYsfZ9nysL-UxxUGrRAHriGwqjwXuSu2Lneb3fqf5w3CMzj8</recordid><startdate>20110921</startdate><enddate>20110921</enddate><creator>BASTIANELLI MICHELE</creator><creator>GIROTTO MARCO</creator><creator>FAZIO TOMMASO DE</creator><scope>EVB</scope></search><sort><creationdate>20110921</creationdate><title>Method to diagnose a fault in a fuel injection system of an internal combustion engine</title><author>BASTIANELLI MICHELE ; GIROTTO MARCO ; FAZIO TOMMASO DE</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CN102192026A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>chi ; eng</language><creationdate>2011</creationdate><topic>BLASTING</topic><topic>COMBUSTION ENGINES</topic><topic>CONTROLLING COMBUSTION ENGINES</topic><topic>HEATING</topic><topic>HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS</topic><topic>LIGHTING</topic><topic>MECHANICAL ENGINEERING</topic><topic>WEAPONS</topic><toplevel>online_resources</toplevel><creatorcontrib>BASTIANELLI MICHELE</creatorcontrib><creatorcontrib>GIROTTO MARCO</creatorcontrib><creatorcontrib>FAZIO TOMMASO DE</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>BASTIANELLI MICHELE</au><au>GIROTTO MARCO</au><au>FAZIO TOMMASO DE</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Method to diagnose a fault in a fuel injection system of an internal combustion engine</title><date>2011-09-21</date><risdate>2011</risdate><abstract>A method to diagnose a fault in a fuel injection system 40 of an internal combustion engine 10 is disclosed. The method comprises the steps of commanding an injection pulse for injecting test quantity of fuel into an engine cylinder 20, determining the torque TRa released to an engine crankshaft 30 due to said injection pulse, of calculating the difference between this released torque TRa and an expected value TRe for said torque, and of detecting a fault in the fuel injection system 40 if said difference exceeds a threshold E*. Also disclosed in an associated computer program for use in an engine ECU.</abstract><oa>free_for_read</oa></addata></record> |
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| language | chi ; eng |
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| subjects | BLASTING COMBUSTION ENGINES CONTROLLING COMBUSTION ENGINES HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS LIGHTING MECHANICAL ENGINEERING WEAPONS |
| title | Method to diagnose a fault in a fuel injection system of an internal combustion engine |
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