EXHAUST PURIFICATION APPARATUS FOR INTERNAL COMBUSTION ENGINE
An exhaust purification apparatus for an internal combustion engine, which combusts hydrocarbon adsorbed to a catalyst at an appropriate timing while avoiding increase in the number of components and complexity of a structure thereof, is provided. There is provided an exhaust purification apparatus...
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| creator | YAMASHITA Takashi HAGIO Kenji MURAMOTO Tsutomu ISHII Nobutaka CHINONE Tsugio NAKANO Futoshi KANEKIYO Satoshi OSADA Katsushi |
| description | An exhaust purification apparatus for an internal combustion engine, which combusts hydrocarbon adsorbed to a catalyst at an appropriate timing while avoiding increase in the number of components and complexity of a structure thereof, is provided. There is provided an exhaust purification apparatus 14 for an internal combustion engine 10 in which a catalyst 15 capable of adsorbing and oxidizing hydrocarbon is provided in an exhaust pipe, the exhaust purification apparatus including temperature detection means 13 for detecting a temperature of the catalyst 15, estimation means 40 for accumulating a time during which the temperature of the catalyst 15 detected by the temperature detection means 13 is equal to or less than a predetermined temperature, and estimating an amount of hydrocarbon adsorbed on the catalyst 15 from the accumulated time, and control means 40 for controlling fuel ejection of the internal combustion engine 10 in a first ejection mode in which the temperature of the catalyst 15 is increased to a temperature where hydrocarbons adsorbed on the catalyst 15 are oxidized, in a case in which the amount of hydrocarbons estimated by the estimation means 40 exceeds a predetermined upper limit. |
| format | Patent |
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There is provided an exhaust purification apparatus 14 for an internal combustion engine 10 in which a catalyst 15 capable of adsorbing and oxidizing hydrocarbon is provided in an exhaust pipe, the exhaust purification apparatus including temperature detection means 13 for detecting a temperature of the catalyst 15, estimation means 40 for accumulating a time during which the temperature of the catalyst 15 detected by the temperature detection means 13 is equal to or less than a predetermined temperature, and estimating an amount of hydrocarbon adsorbed on the catalyst 15 from the accumulated time, and control means 40 for controlling fuel ejection of the internal combustion engine 10 in a first ejection mode in which the temperature of the catalyst 15 is increased to a temperature where hydrocarbons adsorbed on the catalyst 15 are oxidized, in a case in which the amount of hydrocarbons estimated by the estimation means 40 exceeds a predetermined upper limit.</description><language>eng ; fre ; ger</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 ; PERFORMING OPERATIONS ; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL ; SEPARATION ; STEAM ENGINES ; TRANSPORTING ; WEAPONS</subject><creationdate>2019</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=20190612&DB=EPODOC&CC=EP&NR=3112628B1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20190612&DB=EPODOC&CC=EP&NR=3112628B1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>YAMASHITA Takashi</creatorcontrib><creatorcontrib>HAGIO Kenji</creatorcontrib><creatorcontrib>MURAMOTO Tsutomu</creatorcontrib><creatorcontrib>ISHII Nobutaka</creatorcontrib><creatorcontrib>CHINONE Tsugio</creatorcontrib><creatorcontrib>NAKANO Futoshi</creatorcontrib><creatorcontrib>KANEKIYO Satoshi</creatorcontrib><creatorcontrib>OSADA Katsushi</creatorcontrib><title>EXHAUST PURIFICATION APPARATUS FOR INTERNAL COMBUSTION ENGINE</title><description>An exhaust purification apparatus for an internal combustion engine, which combusts hydrocarbon adsorbed to a catalyst at an appropriate timing while avoiding increase in the number of components and complexity of a structure thereof, is provided. There is provided an exhaust purification apparatus 14 for an internal combustion engine 10 in which a catalyst 15 capable of adsorbing and oxidizing hydrocarbon is provided in an exhaust pipe, the exhaust purification apparatus including temperature detection means 13 for detecting a temperature of the catalyst 15, estimation means 40 for accumulating a time during which the temperature of the catalyst 15 detected by the temperature detection means 13 is equal to or less than a predetermined temperature, and estimating an amount of hydrocarbon adsorbed on the catalyst 15 from the accumulated time, and control means 40 for controlling fuel ejection of the internal combustion engine 10 in a first ejection mode in which the temperature of the catalyst 15 is increased to a temperature where hydrocarbons adsorbed on the catalyst 15 are oxidized, in a case in which the amount of hydrocarbons estimated by the estimation means 40 exceeds a predetermined upper limit.</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>PERFORMING OPERATIONS</subject><subject>PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL</subject><subject>SEPARATION</subject><subject>STEAM ENGINES</subject><subject>TRANSPORTING</subject><subject>WEAPONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2019</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZLB1jfBwDA0OUQgIDfJ083R2DPH091NwDAhwDHIMCQ1WcPMPUvD0C3EN8nP0UXD293UCqgWpcPVz9_Rz5WFgTUvMKU7lhdLcDApuriHOHrqpBfnxqcUFicmpeakl8a4BxoaGRmZGFk6GxkQoAQAT8ynZ</recordid><startdate>20190612</startdate><enddate>20190612</enddate><creator>YAMASHITA Takashi</creator><creator>HAGIO Kenji</creator><creator>MURAMOTO Tsutomu</creator><creator>ISHII Nobutaka</creator><creator>CHINONE Tsugio</creator><creator>NAKANO Futoshi</creator><creator>KANEKIYO Satoshi</creator><creator>OSADA Katsushi</creator><scope>EVB</scope></search><sort><creationdate>20190612</creationdate><title>EXHAUST PURIFICATION APPARATUS FOR INTERNAL COMBUSTION ENGINE</title><author>YAMASHITA Takashi ; HAGIO Kenji ; MURAMOTO Tsutomu ; ISHII Nobutaka ; CHINONE Tsugio ; NAKANO Futoshi ; KANEKIYO Satoshi ; OSADA Katsushi</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_EP3112628B13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; fre ; ger</language><creationdate>2019</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>PERFORMING OPERATIONS</topic><topic>PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL</topic><topic>SEPARATION</topic><topic>STEAM ENGINES</topic><topic>TRANSPORTING</topic><topic>WEAPONS</topic><toplevel>online_resources</toplevel><creatorcontrib>YAMASHITA Takashi</creatorcontrib><creatorcontrib>HAGIO Kenji</creatorcontrib><creatorcontrib>MURAMOTO Tsutomu</creatorcontrib><creatorcontrib>ISHII Nobutaka</creatorcontrib><creatorcontrib>CHINONE Tsugio</creatorcontrib><creatorcontrib>NAKANO Futoshi</creatorcontrib><creatorcontrib>KANEKIYO Satoshi</creatorcontrib><creatorcontrib>OSADA Katsushi</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>YAMASHITA Takashi</au><au>HAGIO Kenji</au><au>MURAMOTO Tsutomu</au><au>ISHII Nobutaka</au><au>CHINONE Tsugio</au><au>NAKANO Futoshi</au><au>KANEKIYO Satoshi</au><au>OSADA Katsushi</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>EXHAUST PURIFICATION APPARATUS FOR INTERNAL COMBUSTION ENGINE</title><date>2019-06-12</date><risdate>2019</risdate><abstract>An exhaust purification apparatus for an internal combustion engine, which combusts hydrocarbon adsorbed to a catalyst at an appropriate timing while avoiding increase in the number of components and complexity of a structure thereof, is provided. There is provided an exhaust purification apparatus 14 for an internal combustion engine 10 in which a catalyst 15 capable of adsorbing and oxidizing hydrocarbon is provided in an exhaust pipe, the exhaust purification apparatus including temperature detection means 13 for detecting a temperature of the catalyst 15, estimation means 40 for accumulating a time during which the temperature of the catalyst 15 detected by the temperature detection means 13 is equal to or less than a predetermined temperature, and estimating an amount of hydrocarbon adsorbed on the catalyst 15 from the accumulated time, and control means 40 for controlling fuel ejection of the internal combustion engine 10 in a first ejection mode in which the temperature of the catalyst 15 is increased to a temperature where hydrocarbons adsorbed on the catalyst 15 are oxidized, in a case in which the amount of hydrocarbons estimated by the estimation means 40 exceeds a predetermined upper limit.</abstract><oa>free_for_read</oa></addata></record> |
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| language | eng ; fre ; ger |
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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 PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SEPARATION STEAM ENGINES TRANSPORTING WEAPONS |
| title | EXHAUST PURIFICATION APPARATUS FOR INTERNAL COMBUSTION ENGINE |
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