Method for managing transitions in internal combustion engines with combustion phasing

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United States of America Patent

PATENT NO 9127637
APP PUB NO 20110283971A1
SERIAL NO

13098579

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Abstract

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A combustion mode transition control for controlling a transition between a homogeneous-charge compression-ignition (HCCI) combustion mode and a spark-ignition (SI) combustion mode includes slowly transitioning intake and exhaust camshafts from initial phase settings corresponding to one of the HCCI and SI combustion modes to target phase settings corresponding to the other of the HCCI and SI combustion modes. An ignition spark timing and an injected fuel mass are coordinated with the transitioning of the intake and exhaust camshaft phase settings to substantially maintain engine load continuity during the transitioning of the intake and exhaust camshaft phase settings.

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Patent Owner(s)

Patent OwnerAddress
GM GLOBAL TECHNOLOGY OPERATIONS LLCP O BOX 300 MAIL CODE 482-C23-B21 DETROIT MI 48265-3000

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Najt, Paul M Bloomfield Hills, US 133 1999
Wermuth, Nicole Garching Bei München, DE 20 395
Yun, Hanho Oakland Township, US 64 630

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