Fuel injection control method for an internal-combustion engine and engine using the same
The invention relates to a method for control of fuel injection for an internal combustion engine, in particular with direct fuel injection, comprising at least one cylinder (10), one piston (30) running in said cylinder, with a projection (34) arranged in a concave bowl (32), a fuel injector (22) a...
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| creator | POTTEAU SEBASTIEN RANINI ALAIN |
| description | The invention relates to a method for control of fuel injection for an internal combustion engine, in particular with direct fuel injection, comprising at least one cylinder (10), one piston (30) running in said cylinder, with a projection (34) arranged in a concave bowl (32), a fuel injector (22) and a combustion chamber (26). According to the invention, during high engine loads, a first amount of fuel is injected at a piston (30) position of between 35 and 70° before the top dead centre position of said piston, followed by an injection of at least one second amount of fuel, the first amount of fuel being less than the second amount and the fuel is injected into said combustion chamber by means of an injector (22) with a cone angle (a1) less than or equal to 2Arctg CD/2F where CD is the diameter of the cylinder (10) and F the distance between the points of origin of the fuel jets from the injector (22) and the position of the piston corresponding to a crankshaft angle of 50° with relation to the top dead centre (PMH) of the piston. |
| format | Patent |
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According to the invention, during high engine loads, a first amount of fuel is injected at a piston (30) position of between 35 and 70° before the top dead centre position of said piston, followed by an injection of at least one second amount of fuel, the first amount of fuel being less than the second amount and the fuel is injected into said combustion chamber by means of an injector (22) with a cone angle (a1) less than or equal to 2Arctg CD/2F where CD is the diameter of the cylinder (10) and F the distance between the points of origin of the fuel jets from the injector (22) and the position of the piston corresponding to a crankshaft angle of 50° with relation to the top dead centre (PMH) of the piston.</description><language>eng</language><subject>ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES ; BLASTING ; COMBUSTION ENGINES ; COMBUSTION ENGINES IN GENERAL ; CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES ; HEATING ; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS ; INTERNAL-COMBUSTION PISTON ENGINES ; LIGHTING ; MECHANICAL ENGINEERING ; WEAPONS</subject><creationdate>2011</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20110125&DB=EPODOC&CC=US&NR=7874276B2$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,778,883,25551,76302</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20110125&DB=EPODOC&CC=US&NR=7874276B2$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>POTTEAU SEBASTIEN</creatorcontrib><creatorcontrib>RANINI ALAIN</creatorcontrib><title>Fuel injection control method for an internal-combustion engine and engine using the same</title><description>The invention relates to a method for control of fuel injection for an internal combustion engine, in particular with direct fuel injection, comprising at least one cylinder (10), one piston (30) running in said cylinder, with a projection (34) arranged in a concave bowl (32), a fuel injector (22) and a combustion chamber (26). According to the invention, during high engine loads, a first amount of fuel is injected at a piston (30) position of between 35 and 70° before the top dead centre position of said piston, followed by an injection of at least one second amount of fuel, the first amount of fuel being less than the second amount and the fuel is injected into said combustion chamber by means of an injector (22) with a cone angle (a1) less than or equal to 2Arctg CD/2F where CD is the diameter of the cylinder (10) and F the distance between the points of origin of the fuel jets from the injector (22) and the position of the piston corresponding to a crankshaft angle of 50° with relation to the top dead centre (PMH) of the piston.</description><subject>ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES</subject><subject>BLASTING</subject><subject>COMBUSTION ENGINES</subject><subject>COMBUSTION ENGINES IN GENERAL</subject><subject>CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES</subject><subject>HEATING</subject><subject>HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS</subject><subject>INTERNAL-COMBUSTION PISTON ENGINES</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>eNqNijsOwjAQBd1QIOAOe4E0AWFqEBE9UFBFxnlJjOzdyJ_7EyHoqWakmaV6NAWeHL9gsxMmK5yjeArIo3TUSyTDc8-IbHxlJTxL-pzgwTHm2v20JMcD5RGUTMBaLXrjEzZfrhQ159vpUmGSFmkyFozc3q_6oHe13h_r7R_LG35dOoQ</recordid><startdate>20110125</startdate><enddate>20110125</enddate><creator>POTTEAU SEBASTIEN</creator><creator>RANINI ALAIN</creator><scope>EVB</scope></search><sort><creationdate>20110125</creationdate><title>Fuel injection control method for an internal-combustion engine and engine using the same</title><author>POTTEAU SEBASTIEN ; RANINI ALAIN</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_US7874276B23</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2011</creationdate><topic>ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES</topic><topic>BLASTING</topic><topic>COMBUSTION ENGINES</topic><topic>COMBUSTION ENGINES IN GENERAL</topic><topic>CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES</topic><topic>HEATING</topic><topic>HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS</topic><topic>INTERNAL-COMBUSTION PISTON ENGINES</topic><topic>LIGHTING</topic><topic>MECHANICAL ENGINEERING</topic><topic>WEAPONS</topic><toplevel>online_resources</toplevel><creatorcontrib>POTTEAU SEBASTIEN</creatorcontrib><creatorcontrib>RANINI ALAIN</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>POTTEAU SEBASTIEN</au><au>RANINI ALAIN</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Fuel injection control method for an internal-combustion engine and engine using the same</title><date>2011-01-25</date><risdate>2011</risdate><abstract>The invention relates to a method for control of fuel injection for an internal combustion engine, in particular with direct fuel injection, comprising at least one cylinder (10), one piston (30) running in said cylinder, with a projection (34) arranged in a concave bowl (32), a fuel injector (22) and a combustion chamber (26). According to the invention, during high engine loads, a first amount of fuel is injected at a piston (30) position of between 35 and 70° before the top dead centre position of said piston, followed by an injection of at least one second amount of fuel, the first amount of fuel being less than the second amount and the fuel is injected into said combustion chamber by means of an injector (22) with a cone angle (a1) less than or equal to 2Arctg CD/2F where CD is the diameter of the cylinder (10) and F the distance between the points of origin of the fuel jets from the injector (22) and the position of the piston corresponding to a crankshaft angle of 50° with relation to the top dead centre (PMH) of the piston.</abstract><oa>free_for_read</oa></addata></record> |
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| language | eng |
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| subjects | ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES BLASTING COMBUSTION ENGINES COMBUSTION ENGINES IN GENERAL CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS INTERNAL-COMBUSTION PISTON ENGINES LIGHTING MECHANICAL ENGINEERING WEAPONS |
| title | Fuel injection control method for an internal-combustion engine and engine using the same |
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