Title:
A fuel injection control device of an internal-combustion engine
Document Type and Number:
Japanese Patent JP6199227
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide an internal combustion engine fuel injection control device capable of appropriately suppressing heat generation of a control circuit controlling a fuel injection valve to be driven and appropriately injecting a fuel a plurality of times in a case of injecting the fuel a plurality of times per combustion cycle.SOLUTION: An internal combustion engine fuel injection control device according to the present invention sets an upper limit value of the number of times of injection NFLMT for limiting the number of times of injection of a fuel of a fuel injection valve 4 per combustion cycle to a smaller value if the number of revolutions of an engine NE is higher based on a result of comparison of the detected number of revolutions of the engine NE to a predetermined reference number of revolutions NEREF (FIGS. 4 and 5). Furthermore, the fuel injection control device increases a reduction in the reference number of revolutions NEREF if a detected ECU temperature TECU is higher and sets a higher degree of the reduction in the reference number of revolutions NEREF if the number of revolutions of the engine NE is higher (FIG. 5).
Inventors:
Hiroshi Onishi
Application Number:
JP2014078613A
Publication Date:
September 20, 2017
Filing Date:
April 07, 2014
Export Citation:
Assignee:
Honda motor industry stock company
International Classes:
F02D41/38; F02D41/20; F02D45/00; F02M45/02; F02M51/00; F02M51/06
Domestic Patent References:
| JP2007327408A | ||||
| JP2007231872A | ||||
| JP2005201091A |
Attorney, Agent or Firm:
Tomoo Takahashi
Koji Arai
Hiroto Mohri
Koji Arai
Hiroto Mohri
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