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Title:
内燃機関の制御装置
Document Type and Number:
Japanese Patent JP6432563
Kind Code:
B2
Abstract:
An internal combustion engine includes a plurality of cylinders, a plurality of fuel injection valves, a control chamber provided in each of the fuel injection valves. A control system for the internal combustion engine includes an electronic control unit which is configured to (i) reduce a pressure of the fuel in the control chamber to be lower than a pressure of the fuel in the fuel passage connected to the control chamber, in each of the fuel injection valves, (ii) reduce the pressure of the fuel such that a first pressure difference is equal to or larger than a predetermined pressure difference, so as to move the needle in a direction to open the injection holes, and (iii) reduce the reference pressure by reducing the pressure of the fuel in a second injection valve, such that the first pressure difference after operation is smaller than the predetermined pressure difference.

Inventors:
Masa Ikemoto
Application Number:
JP2016128689A
Publication Date:
December 05, 2018
Filing Date:
June 29, 2016
Export Citation:
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Assignee:
TOYOTA JIDOSHA KABUSHIKI KAISHA
International Classes:
F02D41/38; F02D41/04; F02M45/00; F02M47/00; F02M51/00
Domestic Patent References:
JP2009293385A
JP2004245047A
JP2006307703A
JP2007239706A
JP2008232026A
Foreign References:
WO2011036793A1
Attorney, Agent or Firm:
Yoshiyuki Kawaguchi
Kazunobu Sera
Akira Hirakawa
Takehiko Sekine
Katsuhiko Imahori
Fuminori Miyashita
Atsushi Kokubo