Post injection control method during exhaust brake operation

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United States of America Patent

PATENT NO 12000322
APP PUB NO 20210254533A1
SERIAL NO

17065680

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A system includes a vehicle operation detector, an exhaust brake operation unit, a diesel oxidation catalyst, a diesel particulate filter, an injector, and a controller for controlling the operation of the injector and the exhaust brake operation unit. A post injection control method during exhaust brake operation for the system includes: determining whether a predetermined regeneration condition of the diesel particulate filter according to the output signals of the vehicle operation detector is satisfied; performing, by the controller, regeneration by controlling the operation of the injector if the regeneration condition is satisfied; determining, by the controller, whether an exhaust brake operation condition is satisfied during regeneration based on the output signals of the vehicle operation detector; and controlling, by the controller, the operation of the injector to perform post-injection with a predetermined amount of fuel when the exhaust brake operation condition is met during the regeneration.

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Patent Owner(s)

Patent OwnerAddress
KIA MOTORS CORPORATION12 HEOLLEUNG-RO SEOCHO-GU SEOUL 06797
HYUNDAI MOTOR COMPANYSEOUL 06797

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Song, Byeong Gyu Cheongju-si, KR 1 0

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