Title:
CONTROL DEVICE OF INTERNAL COMBUSTION ENGINE
Document Type and Number:
Japanese Patent JP2015059516
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a control device of an internal combustion engine capable of reducing degradation of accuracy in controlling a transient air-fuel ratio by suppressing change of measurement characteristic caused by change of an evaporation rate in a fuel injection valve during warming-up.SOLUTION: In a prescribed engine temperature zone during warming-up, temperature rise of a fuel injection valve and change of measurement characteristic are suppressed to reduce degradation of accuracy in controlling transient air-fuel ratio by executing at least one of a processing (S105) for preventing a lowering speed of a target idle rotation speed from being over a prescribed speed, a processing for throttling an opening of an intake control valve, a processing for increasing a flow rate of cooling water to a cylinder head, and a processing for increasing an amount of assist air.
Inventors:
SARUWATARI MASAYUKI
Application Number:
JP2013194077A
Publication Date:
March 30, 2015
Filing Date:
September 19, 2013
Export Citation:
Assignee:
HITACHI AUTOMOTIVE SYSTEMS LTD
International Classes:
F02D41/16; F02B31/00; F02D41/06; F02D41/08; F02D45/00; F02F1/36; F02M51/06; F02M69/00
Domestic Patent References:
| JPS6049239U | 1985-04-06 | |||
| JP2003090255A | 2003-03-28 | |||
| JP2012036759A | 2012-02-23 | |||
| JPH09166067A | 1997-06-24 | |||
| JP2010163920A | 2010-07-29 |
Attorney, Agent or Firm:
Moriaki Ogawa
Nishiyama It is this in spring.
Mitsushi Sekiya
Sasajima Wealth 2 male
Nishiyama It is this in spring.
Mitsushi Sekiya
Sasajima Wealth 2 male
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