HYBRID COMBUSTION MODE OF INTERNAL COMBUSTION ENGINE AND CONTROLLER THEREOF, INTERNAL COMBUSTION ENGINE, AND AUTOMOBILE
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United States of America Patent
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Apr 9, 2015
app pub date -
Apr 23, 2013
filing date -
Apr 23, 2012
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Abstract
A method for achieving a hybrid combustion mode of an internal combustion engine, a controller thereof, and an internal combustion engine. The hybrid combustion mode of an internal combustion engine comprises: directly injecting fuel in a cylinder; using homogeneous charge compression ignition combustion mode when the internal combustion engine is run; and when the internal combustion engine is low in load, or when it cannot be determined, that a compression ignition condition is met, switching a combustion control mode from ignition to compression ignition, if a compression ignition state can be switched to smoothly, maintaining the compression ignition combustion mode, and if the compression ignition state cannot be switched to smoothly and therefore the rotation speed of the engine decreases abnormally, quickly recovering the ignition combustion control mode. Cool start of low-octane gasoline internal combustion engine in a low-temperature environment can be implemented.
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