EXHAUST EMISSION CONTROL DEVICE OF INTERNAL COMBUSTION ENGINE

PROBLEM TO BE SOLVED: To provide an exhaust emission control device, performing favorable regeneration processing while preventing an excessive temperature rise of a filter without remarkable alteration of the conventional general constitution, and having high reliability. SOLUTION: A first filter f...

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Bibliographic Details
Main Author HAYASHIBARA HIROSHI
Format Patent
LanguageEnglish
Published 17.08.2006
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
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Summary:PROBLEM TO BE SOLVED: To provide an exhaust emission control device, performing favorable regeneration processing while preventing an excessive temperature rise of a filter without remarkable alteration of the conventional general constitution, and having high reliability. SOLUTION: A first filter for collecting particulate matter in exhaust emission is provided in an exhaust passage of an engine, and an oxidation catalytic converter is provided in the upstream of the exhaust passage in the first filter. The central part of the oxidation catalytic converter is constructed as a second filter decreased in diameter and length as compared with the first filter and serving as a particulate matter collecting function and an oxidation catalyst function. COPYRIGHT: (C)2006,JPO&NCIPI
Bibliography:Application Number: JP20050026683