A control device of a compression ignition type engine

Japanese Patent JP6268864

B2

A control device of a compression-ignition engine is provided. The device includes an engine having a cylinder, a fuel injection valve for injecting a fuel, an exhaust valve mechanism for switching an operation mode of an exhaust valve between a normal mode and an open-twice mode, a throttle valve disposed on an intake passage, and a controller for operating the engine by compression-ignition combustion of mixture gas inside the cylinder at least within a low engine load range. The controller suspends the fuel injection by the fuel injection valve when a predetermined fuel cut condition is met while the engine decelerates, and the controller fully closes the throttle valve and controls the exhaust valve mechanism to operate in the open-twice mode during the fuel cut. When a predetermined fuel resuming condition is met, the controller restarts the fuel injection, opens the throttle valve, and causes the compression-ignition combustion.

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Kazuhiro Nagatsu
Junichi Taga
Atsushi Inoue
Takashi Goster
Mitsunori Hayada
Keiji Araki

JP2013198272A

January 31, 2018

September 25, 2013

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Mazda Corporation Inc

F02D41/12; F02B23/10; F02D9/02; F02D13/02; F02D21/02; F02D43/00; F02D45/00; F02M25/10; F02P5/15

JP2003106184A
JP2013136985A
JP2000513788A
JP2012172665A
JP2008128106A
JP2002276404A
JP2003003873A
JP2002310014A
JP2002317635A
JP2011007154A
JP2003172159A
JP4159918B2

WO2007060853A1
US20080173277

Maeda patent office

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