Method for starting a direct injection ic engine comprising injecting fuel twice, wherein one injection is during the compression stroke

A method for starting a direct injection internal combustion engine. For a first combustion event under selected conditions during an engine start fuel is injected at least twice, at least one of the injections occurs, at least partially, during a compression stroke. The selected conditions may incl...

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Bibliographic Details
Main Authors ERIC WARREN CURTIS, ERIC MATTHEW STORHOK, JIANWEN JAMES YI, ZHENG XU, GOPICHANDRA SURNILLA, JIM HILDITCH
Format Patent
LanguageEnglish
Published 20.08.2008
Subjects
BLASTING
COMBUSTION ENGINES
CONTROLLING COMBUSTION ENGINES
HEATING
HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
LIGHTING
MECHANICAL ENGINEERING
STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDEDFOR
STARTING OF COMBUSTION ENGINES
WEAPONS
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Summary:A method for starting a direct injection internal combustion engine. For a first combustion event under selected conditions during an engine start fuel is injected at least twice, at least one of the injections occurs, at least partially, during a compression stroke. The selected conditions may include engine temperature and fuel injection pressure. There may be a different number of injections for subsequent combustion events, and the timings or the stroke during which the injection takes place may be altered, eg the first injection may be during the intake stroke. The combustion events may be during cranking, and during a warm restart different timings or number of injections may be used.
Bibliography:Application Number: GB20080001204