Title:
FUEL INJECTION CONTROL DEVICE
Document Type and Number:
WIPO Patent Application WO/2015/146090
Kind Code:
A1
Abstract:
A control device (40) for controlling fuel injection by a fuel injection valve (30) is equipped with: a setting part (42) for setting a required injection amount, that is, an injection amount required of the fuel injection valve (30); a division part (43) for dividing the required injection amount set by the setting part (42) into a predetermined injection amount and an adjustment injection amount other than the predetermined injection amount; an injection execution section (44, 48) which executes divided injection which comprises adjustment injection and partial-lift injection, adjustment injection being injection wherein the adjustment injection amount of fuel is injected by the fuel injection valve (30), and partial-lift injection being injection wherein the predetermined injection amount of fuel is injected and the lifting of the valve body (33) of the fuel injection valve (30) is stopped with the valve body (33) at a partial-lift state without having reached a full-lift position; and a learning part (45) for learning injection characteristics of the fuel injection valve (30) during the partial-lift injection.
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Inventors:
NAKANO KOSUKE (JP)
KATSURAHARA HIROSHI (JP)
KATSURAHARA HIROSHI (JP)
Application Number:
PCT/JP2015/001533
Publication Date:
October 01, 2015
Filing Date:
March 19, 2015
Export Citation:
Assignee:
DENSO CORP (JP)
International Classes:
F02M61/10; F02D41/34; F02M45/02; F02M51/00; F02M51/08; F02M65/00
Domestic Patent References:
| WO2013073111A1 | 2013-05-23 | |||
| WO2013108498A1 | 2013-07-25 |
Foreign References:
| JP4604959B2 | 2011-01-05 |
Attorney, Agent or Firm:
KIN, Junhi (JP)
Gold Junki (JP)
Gold Junki (JP)
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