EXHAUST GAS CONTROL SYSTEM FOR INTERNAL COMBUSTION ENGINE
An exhaust gas control system for an internal combustion engine, before execution of a filter regeneration process, executes a pre-regeneration process that is a process of raising a temperature of a filter to a second target temperature lower than a first target temperature and increasing the conce...
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Main Authors | , , , , |
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Format | Patent |
Language | English French German |
Published |
07.08.2019
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Abstract | An exhaust gas control system for an internal combustion engine, before execution of a filter regeneration process, executes a pre-regeneration process that is a process of raising a temperature of a filter to a second target temperature lower than a first target temperature and increasing the concentration of NO 2 contained in exhaust gas flowing into the filter for a predetermined period. The first target temperature during execution of the filter regeneration process in the case where a speed of change in a detected value of a differential pressure sensor during execution of the pre-regeneration process is high is set so as to be lower than the first target temperature in the case where the speed of change is low. |
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AbstractList | An exhaust gas control system for an internal combustion engine, before execution of a filter regeneration process, executes a pre-regeneration process that is a process of raising a temperature of a filter to a second target temperature lower than a first target temperature and increasing the concentration of NO 2 contained in exhaust gas flowing into the filter for a predetermined period. The first target temperature during execution of the filter regeneration process in the case where a speed of change in a detected value of a differential pressure sensor during execution of the pre-regeneration process is high is set so as to be lower than the first target temperature in the case where the speed of change is low. |
Author | IMAI, Daichi NISHIOKA, Hiromasa TANAKA, Kouta FUJIWARA, Kiyoshi YAMASHITA, Yoshio |
Author_xml | – fullname: TANAKA, Kouta – fullname: YAMASHITA, Yoshio – fullname: FUJIWARA, Kiyoshi – fullname: IMAI, Daichi – fullname: NISHIOKA, Hiromasa |
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DocumentTitleAlternate | ABGASREGELUNGSSYSTEM FÜR EINEN VERBRENNUNGSMOTOR SYSTÈME DE COMMANDE DE GAZ D'ÉCHAPPEMENT POUR MOTEUR À COMBUSTION INTERNE |
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Notes | Application Number: EP20170152673 |
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RelatedCompanies | TOYOTA JIDOSHA KABUSHIKI KAISHA |
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Snippet | An exhaust gas control system for an internal combustion engine, before execution of a filter regeneration process, executes a pre-regeneration process that is... |
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SubjectTerms | BLASTING 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 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 GAS CONTROL SYSTEM FOR INTERNAL COMBUSTION ENGINE |
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