Title:
内燃機関の燃料噴射制御システム
Document Type and Number:
Japanese Patent JP5494818
Kind Code:
B2
Abstract:
An object of the invention is to provide a technology that enables to make the feed pressure as low as possible without inviting a misfire or a deviation of the air-fuel ratio, in a fuel injection control system for an internal combustion engine equipped with a low pressure fuel pump and a high pressure fuel pump. According to the invention, to achieve the object, in a fuel injection control system for an internal combustion engine in which fuel discharged from a low pressure fuel pump is supplied to a fuel injection valve with its pressure boosted by a high pressure fuel pump, while a lowering process of lowering feed pressure or the discharge pressure of a the low pressure fuel pump, the lowering process is suspended and restarted with reference to the tendency of change in an integral term used in a proportional-integral control of the duty cycle of the high pressure fuel pump.
Inventors:
Susumu Kojima
Application Number:
JP2012540574A
Publication Date:
May 21, 2014
Filing Date:
October 27, 2010
Export Citation:
Assignee:
TOYOTA JIDOSHA KABUSHIKI KAISHA
International Classes:
F02M37/08; F02D41/06; F02D41/38; F02M37/00; F02M59/36; F02M69/00
Domestic Patent References:
| JP201071224A | ||||
| JP2010185308A | ||||
| JP2005307931A | ||||
| JP2008175080A |
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
Previous Patent: ストレージシステム、データ管理装置、方法及びプログラム
Next Patent: TRANSMISSION AND RECEPTION SYSTEM FOR STILL PICTURE
Next Patent: TRANSMISSION AND RECEPTION SYSTEM FOR STILL PICTURE