Title:
Internal-combustion engine
Document Type and Number:
Japanese Patent JP6156397
Kind Code:
B2
Abstract:
A controller is provided that performs first injection that executes fuel injection with lower injection rate and subsequently performs second injection with higher injection rate. The controller configured to determine a target value for fuel pressure drop amount or difference between pressure of fuel within a fuel injection valve at starting point of the first injection and pressure of fuel within the fuel injection valve while the first injection is performed, and stop supply of command signal to the fuel injection valve once fuel pressure drop amount in the first injection becomes greater than target value for the fuel pressure drop amount, and supply command signal once the fuel pressure drop amount in the first injection becomes smaller than the target value for the fuel pressure drop amount.
Inventors:
Naoyoshi Matsubara
Application Number:
JP2015005318A
Publication Date:
July 05, 2017
Filing Date:
January 14, 2015
Export Citation:
Assignee:
TOYOTA JIDOSHA KABUSHIKI KAISHA
International Classes:
F02D41/38; F02D41/02; F02D41/04; F02D41/40; F02M45/00; F02M45/04
Domestic Patent References:
| JP2009057925A | ||||
| JP2012189061A | ||||
| JP2014163260A | ||||
| JP4203441A | ||||
| JP2009085074A |
Foreign References:
| US20100132668 |
Attorney, Agent or Firm:
Yoshiyuki Kawaguchi
Kazunobu Sera
Akira Hirakawa
Takehiko Sekine
Katsuhiko Imahori
Fuminori Miyashita
Kazunobu Sera
Akira Hirakawa
Takehiko Sekine
Katsuhiko Imahori
Fuminori Miyashita