CONTROL DEVICE FOR COMPRESSION-IGNITION ENGINE

WIPO Patent Application WO/2015/064066

A1

In the present invention, a control device for a compression-ignition engine is provided with a controller configured so that an engine main unit is operated by allowing combustion by compression-ignition when the operational state of the engine main unit is in a compression-ignition range. When the operational state of the engine main body is in a prescribed range with high load in the compression-ignition range, in a low-speed range, the controller makes the exhaust gas recirculation (EGR) rate low, using a gas-state adjusting system, so that the excess air ratio (λ) of the mixed air in the cylinder is lean and greater than 1, while maximizing the fullness of the cylinder, and in a high-speed range with higher speeds than in the low-speed range, the controller makes the EGR rate high, using the gas-state adjusting system, so that the excess air ratio (λ) of the mixed air in the cylinder is 1 or less, while maximizing the fullness of the cylinder.

NAGATSU KAZUHIRO (JP)
INOUE ATSUSHI (JP)
MATSUMOTO KOTA (JP)
KAMINAGA TAKASHI (JP)
MIYAMOTO TORU (JP)
YOUSO TAKASHI (JP)

PCT/JP2014/005381

May 07, 2015

October 23, 2014

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MAZDA MOTOR (JP)

F02D21/08; F02D21/06; F02D41/02

WO2011118767A1

2011-09-29

JP2005016407A	2005-01-20
JP2009091994A	2009-04-30
JP2012246784A	2012-12-13
JP2010285969A	2010-12-24
JP2012127275A	2012-07-05
JP2012172663A	2012-09-10
JP2012172665A	2012-09-10
JP2012246783A	2012-12-13

MAEDA & PARTNERS (JP)
Patent business corporation MAEDA PATENT OFFICE (JP)

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