CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE

Title:

CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE

Document Type and Number:

WIPO Patent Application WO/2013/171830

Kind Code:

A1

Abstract:

This control device (100) for an internal combustion engine (1) is equipped with: a variable valve-driving mechanism (10) that is capable of changing the intake valve duration while keeping the maximum lift amount and opening time of an intake valve (19) constant; a reduction catalyst (9) that adsorbs nitrogen oxides in exhaust emission during lean combustion and reduces the adsorbed nitrogen oxides during rich combustion; and a control unit (4) that, when switching to the rich combustion, changes, according to a load (TL, TH) on the internal combustion engine (1), the amount of advance angle (∆IVCL, ∆IVCH) of the intake valve (19) when the intake valve is closed.

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Inventors:

TAKADA NORIYUKI (JP)
ISHIYAMA SHINOBU (JP)
OGAWA TAKASHI (JP)

Application Number:

PCT/JP2012/062329

Publication Date:

November 21, 2013

Filing Date:

May 14, 2012

Export Citation:

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Assignee:

TOYOTA MOTOR CO LTD (JP)
TAKADA NORIYUKI (JP)
ISHIYAMA SHINOBU (JP)
OGAWA TAKASHI (JP)

International Classes:

F02D13/02; F02D41/04

Foreign References:

JP2008019871A	2008-01-31
JP2004132314A	2004-04-30
JP2001073819A	2001-03-21
JP2001082118A	2001-03-27
JPH10184418A	1998-07-14
JP2009299655A	2009-12-24
JP2006336659A	2006-12-14

Other References: