Title:
CONTROL APPARATUS FOR INTERNAL COMBUSTION ENGINE
Document Type and Number:
WIPO Patent Application WO/2015/111392
Kind Code:
A1
Abstract:
An object is to achieve stable diesel combustion and improvement in the thermal efficiency of the diesel combustion in an internal combustion engine using a fuel having a relatively high self-ignition temperature. A control apparatus for an internal combustion engine includes a fuel injection valve capable of injecting fuel into a combustion chamber and an ignition device whose position relative to the fuel injection valve is set in such a way that it can ignite fuel spray directly. The apparatus performs pre-injection at a predetermined pre-injection time during the compression stroke and main injection at a predetermined injection start time after pre-spray formed by the pre-injection is ignited by the ignition device, thereby causing self-ignition to occur and causing at least a portion of the main-injected fuel to burn by diffusion combustion. When the quantity of the pre-injected fuel is increased, the pre-injection time is advanced responsive to the increase in the quantity of the pre-injected fuel.
Inventors:
OCHI YUTA (JP)
KASHIWAGURA TOSHIMI (JP)
KASHIWAGURA TOSHIMI (JP)
Application Number:
PCT/JP2015/000177
Publication Date:
July 30, 2015
Filing Date:
January 16, 2015
Export Citation:
Assignee:
TOYOTA MOTOR CO LTD (JP)
International Classes:
F02D41/30; F02D41/40
Foreign References:
| US6659073B1 | 2003-12-09 | |||
| US4621599A | 1986-11-11 | |||
| US20070125337A1 | 2007-06-07 | |||
| JP2003254105A | 2003-09-10 | |||
| JP2002276442A | 2002-09-25 | |||
| JP2007064187A | 2007-03-15 |
Attorney, Agent or Firm:
KAWAGUCHI, Yoshiyuki et al. (4-10 Higashi Nihonbashi 3-chome, Chuo-k, Tokyo 04, JP)
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