吸気通路の流動制御装置

Japanese Patent JP6439989

B2

PROBLEM TO BE SOLVED: To provide an intake passage flow control device capable of restricting eddy flow caused by tumble flow during a compression stroke, promoting an increasing in temperature of a cylinder-in gas during a compression stroke by controlling a flow of intake gas flowing at the intake passage and sufficiently vaporizing fuel injected during a compression stroke and improving a combustion stability.SOLUTION: This invention relates to an intake passage flow control device for an engine for injecting fuel into a combustion chamber (16) during an intake stroke and/or a compression stroke in response to an operating region of an engine (1) so as to control a flow of intake mixture gas flowing at the intake passage having a curved part (18b). The intake passage flow control device comprises a plasma actuator (30) for generating gas flow in the intake passage in a direction where a flow speed difference between the intake gas flowing along a wall surface outside the curved part and the intake gas flowing along the wall surface inside the curved part is made low; and a PCM (46) for operating the plasma actuator when an operating region of the engine is an operating region where the fuel injection is carried out during the compression stroke.SELECTED DRAWING: Figure 7

WO/2003/002859	INTERNAL COMBUSTION ENGINE
JP5585533	Gasoline engine
JP2009002176	CONTROL DEVICE FOR CYLINDER INJECTION TYPE INTERNAL COMBUSTION ENGINE

Kenshi Uchida
Takeshi Nagasawa
Ryohei Ohno

JP2016134934A

December 19, 2018

July 07, 2016

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Mazda Corporation Inc

F02B23/10; F02B17/00; F02B31/00; F02D43/00; F02D45/00

JP2000337180A
JP2013155673A
JP2005163684A
JP2003003854A
JP2012180799A
JP2001342836A
JP2017180356A

Takaki Nishijima
Minoru Nakamura
Fumiaki Otsuka
Disciple Maru Ken
Ken Iwagami

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