Engine cranking system with cylinder deactivation for a direct injection engine
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United States of America Patent
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Jan 20, 2009
Grant Date -
N/A
app pub date -
Sep 11, 2007
filing date -
Sep 11, 2007
priority date (Note) -
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Abstract
An engine cranking system includes fuel injectors that are associated with multiple combustion chambers of an engine. The fuel injectors include a first fuel injector that is associated with a first combustion chamber. A second fuel injector is associated with a second combustion chamber. A control module is coupled to the fuel injectors and operates the first fuel injector in a deactivated state for a first chamber cycle during cranking of said engine. The first chamber cycle includes intake and exhaust strokes and is associated with a first combustion chamber.
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