Exhaust gas purifier for internal combustion engine
An exhaust gas purifier (26) has DPFs (19A, 19B), fuel addition valves (20A, 20B), and ECU (25). ECU (25) controls the fuel addition valves (20A, 20B) so as to add fuel according to target regeneration temperature correction coefficients, and thereafter, when PM accumulation amounts in both DPFs (19...
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| creator | MURATA, DAI OKAMURA, MASAAKI TAKAHASHI, YOSHIYUKI AMAIKE, MASAAKI |
| description | An exhaust gas purifier (26) has DPFs (19A, 19B), fuel addition valves (20A, 20B), and ECU (25). ECU (25) controls the fuel addition valves (20A, 20B) so as to add fuel according to target regeneration temperature correction coefficients, and thereafter, when PM accumulation amounts in both DPFs (19A, 19B) become smaller than a regeneration end threshold, ECU (25) controls the fuel addition valves (20A, 20B) so as to end the addition of fuel. ECU (25) sets the target regeneration temperature correction coefficient to 1 when the PM accumulation amount in DPF (19A, 19B) becomes smaller than the regeneration end threshold; ECU (25) calculates the target regeneration temperature correction coefficient according to the PM accumulation amount in DPF (19A, 19B) when the PM accumulation amount in DPF (19A, 19B) is not smaller than the regeneration end threshold. |
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ECU (25) controls the fuel addition valves (20A, 20B) so as to add fuel according to target regeneration temperature correction coefficients, and thereafter, when PM accumulation amounts in both DPFs (19A, 19B) become smaller than a regeneration end threshold, ECU (25) controls the fuel addition valves (20A, 20B) so as to end the addition of fuel. ECU (25) sets the target regeneration temperature correction coefficient to 1 when the PM accumulation amount in DPF (19A, 19B) becomes smaller than the regeneration end threshold; ECU (25) calculates the target regeneration temperature correction coefficient according to the PM accumulation amount in DPF (19A, 19B) when the PM accumulation amount in DPF (19A, 19B) is not smaller than the regeneration end threshold.</description><language>eng ; fre ; ger</language><subject>BLASTING ; CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TOTRANSPORTATION ; 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 ; LIGHTING ; MACHINES OR ENGINES IN GENERAL ; MECHANICAL ENGINEERING ; STEAM ENGINES ; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS ; TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE ; WEAPONS</subject><creationdate>2013</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=20130424&DB=EPODOC&CC=EP&NR=2584161A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25555,76308</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20130424&DB=EPODOC&CC=EP&NR=2584161A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>MURATA, DAI</creatorcontrib><creatorcontrib>OKAMURA, MASAAKI</creatorcontrib><creatorcontrib>TAKAHASHI, YOSHIYUKI</creatorcontrib><creatorcontrib>AMAIKE, MASAAKI</creatorcontrib><title>Exhaust gas purifier for internal combustion engine</title><description>An exhaust gas purifier (26) has DPFs (19A, 19B), fuel addition valves (20A, 20B), and ECU (25). ECU (25) controls the fuel addition valves (20A, 20B) so as to add fuel according to target regeneration temperature correction coefficients, and thereafter, when PM accumulation amounts in both DPFs (19A, 19B) become smaller than a regeneration end threshold, ECU (25) controls the fuel addition valves (20A, 20B) so as to end the addition of fuel. ECU (25) sets the target regeneration temperature correction coefficient to 1 when the PM accumulation amount in DPF (19A, 19B) becomes smaller than the regeneration end threshold; ECU (25) calculates the target regeneration temperature correction coefficient according to the PM accumulation amount in DPF (19A, 19B) when the PM accumulation amount in DPF (19A, 19B) is not smaller than the regeneration end threshold.</description><subject>BLASTING</subject><subject>CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TOTRANSPORTATION</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>LIGHTING</subject><subject>MACHINES OR ENGINES IN GENERAL</subject><subject>MECHANICAL ENGINEERING</subject><subject>STEAM ENGINES</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>WEAPONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2013</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZDB2rchILC0uUUhPLFYoKC3KTMtMLVJIyy9SyMwrSS3KS8xRSM7PTQKqyMzPU0jNS8_MS-VhYE1LzClO5YXS3AwKbq4hzh66qQX58anFBYnJqXmpJfGuAUamFiaGZoaOhsZEKAEAyEIsWA</recordid><startdate>20130424</startdate><enddate>20130424</enddate><creator>MURATA, DAI</creator><creator>OKAMURA, MASAAKI</creator><creator>TAKAHASHI, YOSHIYUKI</creator><creator>AMAIKE, MASAAKI</creator><scope>EVB</scope></search><sort><creationdate>20130424</creationdate><title>Exhaust gas purifier for internal combustion engine</title><author>MURATA, DAI ; OKAMURA, MASAAKI ; TAKAHASHI, YOSHIYUKI ; AMAIKE, MASAAKI</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_EP2584161A13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; fre ; ger</language><creationdate>2013</creationdate><topic>BLASTING</topic><topic>CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TOTRANSPORTATION</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>GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC</topic><topic>GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS</topic><topic>HEATING</topic><topic>LIGHTING</topic><topic>MACHINES OR ENGINES IN GENERAL</topic><topic>MECHANICAL ENGINEERING</topic><topic>STEAM ENGINES</topic><topic>TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS</topic><topic>TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE</topic><topic>WEAPONS</topic><toplevel>online_resources</toplevel><creatorcontrib>MURATA, DAI</creatorcontrib><creatorcontrib>OKAMURA, MASAAKI</creatorcontrib><creatorcontrib>TAKAHASHI, YOSHIYUKI</creatorcontrib><creatorcontrib>AMAIKE, MASAAKI</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>MURATA, DAI</au><au>OKAMURA, MASAAKI</au><au>TAKAHASHI, YOSHIYUKI</au><au>AMAIKE, MASAAKI</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Exhaust gas purifier for internal combustion engine</title><date>2013-04-24</date><risdate>2013</risdate><abstract>An exhaust gas purifier (26) has DPFs (19A, 19B), fuel addition valves (20A, 20B), and ECU (25). ECU (25) controls the fuel addition valves (20A, 20B) so as to add fuel according to target regeneration temperature correction coefficients, and thereafter, when PM accumulation amounts in both DPFs (19A, 19B) become smaller than a regeneration end threshold, ECU (25) controls the fuel addition valves (20A, 20B) so as to end the addition of fuel. ECU (25) sets the target regeneration temperature correction coefficient to 1 when the PM accumulation amount in DPF (19A, 19B) becomes smaller than the regeneration end threshold; ECU (25) calculates the target regeneration temperature correction coefficient according to the PM accumulation amount in DPF (19A, 19B) when the PM accumulation amount in DPF (19A, 19B) is not smaller than the regeneration end threshold.</abstract><oa>free_for_read</oa></addata></record> |
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| language | eng ; fre ; ger |
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| subjects | BLASTING CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TOTRANSPORTATION 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 LIGHTING MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING STEAM ENGINES TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE WEAPONS |
| title | Exhaust gas purifier for internal combustion engine |
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