EXHAUST EMISSION CONTROL SYSTEM
PROBLEM TO BE SOLVED: To provide an exhaust emission control system capable of suppressing degradation of exhaust gas during DPF regeneration and obtaining sufficient acceleration performance without generating white smoke or black smoke even when a vehicle is accelerated during the DPF regeneration...
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| creator | IKEDA HIDE IKEDA TAKUJI OCHI NAOFUMI |
| description | PROBLEM TO BE SOLVED: To provide an exhaust emission control system capable of suppressing degradation of exhaust gas during DPF regeneration and obtaining sufficient acceleration performance without generating white smoke or black smoke even when a vehicle is accelerated during the DPF regeneration.SOLUTION: The exhaust emission control system includes: an EGR control unit 173 controlling opening of an EGR valve 107 on the basis of an engine rotation speed and a fuel injection amount; a boost pressure sensor 155 detecting a boost pressure; a target boost pressure calculation unit 176 obtaining a target boost pressure on the basis of the engine rotation speed and the fuel injection amount; and an EGR valve opening correction unit 177 correcting the opening of the EGR valve 107 on the basis of a difference between the target boost pressure obtained by the target boost pressure calculation unit 176 and the boost pressure detected by the boost pressure sensor 155. |
| format | Patent |
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a boost pressure sensor 155 detecting a boost pressure; a target boost pressure calculation unit 176 obtaining a target boost pressure on the basis of the engine rotation speed and the fuel injection amount; and an EGR valve opening correction unit 177 correcting the opening of the EGR valve 107 on the basis of a difference between the target boost pressure obtained by the target boost pressure calculation unit 176 and the boost pressure detected by the boost pressure sensor 155.</description><language>eng</language><subject>BLASTING ; CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TOTRANSPORTATION ; 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 ; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC ; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS ; HEATING ; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS ; LIGHTING ; MACHINES OR ENGINES IN GENERAL ; MECHANICAL ENGINEERING ; PERFORMING OPERATIONS ; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL ; SEPARATION ; STEAM ENGINES ; SUPPLYING COMBUSTION ENGINES IN GENERAL, WITH COMBUSTIBLEMIXTURES OR CONSTITUENTS THEREOF ; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS ; TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE ; TRANSPORTING ; 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=20111222&DB=EPODOC&CC=JP&NR=2011256849A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76290</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20111222&DB=EPODOC&CC=JP&NR=2011256849A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>IKEDA HIDE</creatorcontrib><creatorcontrib>IKEDA TAKUJI</creatorcontrib><creatorcontrib>OCHI NAOFUMI</creatorcontrib><title>EXHAUST EMISSION CONTROL SYSTEM</title><description>PROBLEM TO BE SOLVED: To provide an exhaust emission control system capable of suppressing degradation of exhaust gas during DPF regeneration and obtaining sufficient acceleration performance without generating white smoke or black smoke even when a vehicle is accelerated during the DPF regeneration.SOLUTION: The exhaust emission control system includes: an EGR control unit 173 controlling opening of an EGR valve 107 on the basis of an engine rotation speed and a fuel injection amount; a boost pressure sensor 155 detecting a boost pressure; a target boost pressure calculation unit 176 obtaining a target boost pressure on the basis of the engine rotation speed and the fuel injection amount; and an EGR valve opening correction unit 177 correcting the opening of the EGR valve 107 on the basis of a difference between the target boost pressure obtained by the target boost pressure calculation unit 176 and the boost pressure detected by the boost pressure sensor 155.</description><subject>BLASTING</subject><subject>CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TOTRANSPORTATION</subject><subject>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>GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC</subject><subject>GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS</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>PERFORMING OPERATIONS</subject><subject>PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL</subject><subject>SEPARATION</subject><subject>STEAM ENGINES</subject><subject>SUPPLYING COMBUSTION ENGINES IN GENERAL, WITH COMBUSTIBLEMIXTURES OR CONSTITUENTS THEREOF</subject><subject>TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS</subject><subject>TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE</subject><subject>TRANSPORTING</subject><subject>WEAPONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2011</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZJB3jfBwDA0OUXD19QwO9vT3U3D29wsJ8vdRCI4MDnH15WFgTUvMKU7lhdLcDEpuriHOHrqpBfnxqcUFicmpeakl8V4BRgaGhkamZhYmlo7GRCkCADrwInU</recordid><startdate>20111222</startdate><enddate>20111222</enddate><creator>IKEDA HIDE</creator><creator>IKEDA TAKUJI</creator><creator>OCHI NAOFUMI</creator><scope>EVB</scope></search><sort><creationdate>20111222</creationdate><title>EXHAUST EMISSION CONTROL SYSTEM</title><author>IKEDA HIDE ; 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a boost pressure sensor 155 detecting a boost pressure; a target boost pressure calculation unit 176 obtaining a target boost pressure on the basis of the engine rotation speed and the fuel injection amount; and an EGR valve opening correction unit 177 correcting the opening of the EGR valve 107 on the basis of a difference between the target boost pressure obtained by the target boost pressure calculation unit 176 and the boost pressure detected by the boost pressure sensor 155.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | BLASTING CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TOTRANSPORTATION 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 GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS LIGHTING MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SEPARATION STEAM ENGINES SUPPLYING COMBUSTION ENGINES IN GENERAL, WITH COMBUSTIBLEMIXTURES OR CONSTITUENTS THEREOF TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE TRANSPORTING WEAPONS |
| title | EXHAUST EMISSION CONTROL SYSTEM |
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