Starter and starting method of compression self-ignition engine
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United States of America Patent
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Aug 4, 2015
Grant Date -
Apr 18, 2013
app pub date -
Jun 27, 2011
filing date -
Jun 30, 2010
priority date (Note) -
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Abstract
When a compression self-ignition engine is automatically stopped, at the same time as fuel cut for stopping fuel injection from a fuel injection valve (15) is executed, an operating position of an intake throttle (30) is set to fully closed, and the fully-closed state is maintained at least until final TDC. Furthermore, an operation of an accessory (32) performed after the fuel cut is controlled to adjust an engine load so that an engine rotation speed (Net) when passing the final TDC falls within a specific speed range (P) determined in advance. Accordingly, a piston (5) of a Compression-Stop Cylinder (2C) is stopped with high accuracy at a target position that is set on a bottom dead center-side of an intermediate position (CAx) between top dead center and bottom dead center, and a restart time of the engine is thereby reduced.
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