FUEL INJECTION DEVICE
PROBLEM TO BE SOLVED: To provide a device can learn an injection amount of a fuel injection means by correcting the air-fuel ratio detected by an air-fuel ratio detection means in an exhaust system having the fuel injection means. SOLUTION: The difference between a convergence air-fuel ratio to whic...
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| creator | KANAYAMA KUNIMI HATAKE MICHIHIRO |
| description | PROBLEM TO BE SOLVED: To provide a device can learn an injection amount of a fuel injection means by correcting the air-fuel ratio detected by an air-fuel ratio detection means in an exhaust system having the fuel injection means. SOLUTION: The difference between a convergence air-fuel ratio to which the air-fuel ratio detected by the air-fuel ratio detection means 7 will be converged if a sufficient time is elapsed after the start or completion of the fuel injection by the fuel injection means 3 and the air-fuel ratio detected by the air-fuel ratio detection means 7 beforehand (ΔA/F=air-fuel ratio (K/(t+a)2)). The difference is added to or deducted from the detected air-fuel ratio to obtain the air-fuel ratio in the period during which fuel is injected from the fuel injection means or the period during which the injection is stopped. Since the air-fuel ratio near the actual air-fuel ratio can be obtained over a wide operating range even in a limited Rich time or Lean time, the accuracy of learning of the fuel injection amount can be increased. COPYRIGHT: (C)2010,JPO&INPIT |
| format | Patent |
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SOLUTION: The difference between a convergence air-fuel ratio to which the air-fuel ratio detected by the air-fuel ratio detection means 7 will be converged if a sufficient time is elapsed after the start or completion of the fuel injection by the fuel injection means 3 and the air-fuel ratio detected by the air-fuel ratio detection means 7 beforehand (ΔA/F=air-fuel ratio (K/(t+a)2)). The difference is added to or deducted from the detected air-fuel ratio to obtain the air-fuel ratio in the period during which fuel is injected from the fuel injection means or the period during which the injection is stopped. Since the air-fuel ratio near the actual air-fuel ratio can be obtained over a wide operating range even in a limited Rich time or Lean time, the accuracy of learning of the fuel injection amount can be increased. COPYRIGHT: (C)2010,JPO&INPIT</description><language>eng</language><subject>BLASTING ; COMBUSTION ENGINES ; CONTROLLING COMBUSTION ENGINES ; ENGINE PLANTS IN GENERAL ; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNALCOMBUSTION ENGINES ; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES ORENGINES IN GENERAL ; HEATING ; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS ; LIGHTING ; MACHINES OR ENGINES IN GENERAL ; MECHANICAL ENGINEERING ; STEAM ENGINES ; WEAPONS</subject><creationdate>2010</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=20100225&DB=EPODOC&CC=JP&NR=2010043615A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76289</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20100225&DB=EPODOC&CC=JP&NR=2010043615A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>KANAYAMA KUNIMI</creatorcontrib><creatorcontrib>HATAKE MICHIHIRO</creatorcontrib><title>FUEL INJECTION DEVICE</title><description>PROBLEM TO BE SOLVED: To provide a device can learn an injection amount of a fuel injection means by correcting the air-fuel ratio detected by an air-fuel ratio detection means in an exhaust system having the fuel injection means. SOLUTION: The difference between a convergence air-fuel ratio to which the air-fuel ratio detected by the air-fuel ratio detection means 7 will be converged if a sufficient time is elapsed after the start or completion of the fuel injection by the fuel injection means 3 and the air-fuel ratio detected by the air-fuel ratio detection means 7 beforehand (ΔA/F=air-fuel ratio (K/(t+a)2)). The difference is added to or deducted from the detected air-fuel ratio to obtain the air-fuel ratio in the period during which fuel is injected from the fuel injection means or the period during which the injection is stopped. Since the air-fuel ratio near the actual air-fuel ratio can be obtained over a wide operating range even in a limited Rich time or Lean time, the accuracy of learning of the fuel injection amount can be increased. COPYRIGHT: (C)2010,JPO&INPIT</description><subject>BLASTING</subject><subject>COMBUSTION ENGINES</subject><subject>CONTROLLING COMBUSTION ENGINES</subject><subject>ENGINE PLANTS IN GENERAL</subject><subject>GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNALCOMBUSTION ENGINES</subject><subject>GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES ORENGINES IN GENERAL</subject><subject>HEATING</subject><subject>HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS</subject><subject>LIGHTING</subject><subject>MACHINES OR ENGINES IN GENERAL</subject><subject>MECHANICAL ENGINEERING</subject><subject>STEAM ENGINES</subject><subject>WEAPONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2010</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZBB1C3X1UfD083J1DvH091NwcQ3zdHblYWBNS8wpTuWF0twMSm6uIc4euqkF-fGpxQWJyal5qSXxXgFGBoYGBibGZoamjsZEKQIAxDIfGw</recordid><startdate>20100225</startdate><enddate>20100225</enddate><creator>KANAYAMA KUNIMI</creator><creator>HATAKE MICHIHIRO</creator><scope>EVB</scope></search><sort><creationdate>20100225</creationdate><title>FUEL INJECTION DEVICE</title><author>KANAYAMA KUNIMI ; HATAKE MICHIHIRO</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_JP2010043615A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2010</creationdate><topic>BLASTING</topic><topic>COMBUSTION ENGINES</topic><topic>CONTROLLING COMBUSTION ENGINES</topic><topic>ENGINE PLANTS IN GENERAL</topic><topic>GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNALCOMBUSTION ENGINES</topic><topic>GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES ORENGINES IN GENERAL</topic><topic>HEATING</topic><topic>HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS</topic><topic>LIGHTING</topic><topic>MACHINES OR ENGINES IN GENERAL</topic><topic>MECHANICAL ENGINEERING</topic><topic>STEAM ENGINES</topic><topic>WEAPONS</topic><toplevel>online_resources</toplevel><creatorcontrib>KANAYAMA KUNIMI</creatorcontrib><creatorcontrib>HATAKE MICHIHIRO</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>KANAYAMA KUNIMI</au><au>HATAKE MICHIHIRO</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>FUEL INJECTION DEVICE</title><date>2010-02-25</date><risdate>2010</risdate><abstract>PROBLEM TO BE SOLVED: To provide a device can learn an injection amount of a fuel injection means by correcting the air-fuel ratio detected by an air-fuel ratio detection means in an exhaust system having the fuel injection means. SOLUTION: The difference between a convergence air-fuel ratio to which the air-fuel ratio detected by the air-fuel ratio detection means 7 will be converged if a sufficient time is elapsed after the start or completion of the fuel injection by the fuel injection means 3 and the air-fuel ratio detected by the air-fuel ratio detection means 7 beforehand (ΔA/F=air-fuel ratio (K/(t+a)2)). The difference is added to or deducted from the detected air-fuel ratio to obtain the air-fuel ratio in the period during which fuel is injected from the fuel injection means or the period during which the injection is stopped. Since the air-fuel ratio near the actual air-fuel ratio can be obtained over a wide operating range even in a limited Rich time or Lean time, the accuracy of learning of the fuel injection amount can be increased. COPYRIGHT: (C)2010,JPO&INPIT</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | BLASTING COMBUSTION ENGINES CONTROLLING COMBUSTION ENGINES ENGINE PLANTS IN GENERAL GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNALCOMBUSTION ENGINES GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES ORENGINES IN GENERAL HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS LIGHTING MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING STEAM ENGINES WEAPONS |
| title | FUEL INJECTION DEVICE |
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