Title:
燃料噴射弁の制御装置
Document Type and Number:
Japanese Patent JP6463638
Kind Code:
B2
Abstract:
A fuel injection valve control device controlling a fuel injection valve that injects a fuel into a combustion chamber includes an operation-condition calculation portion that calculates a fuel injection condition of the fuel injection valve based on a crank angle detected by a crank angle sensor that detects the crank angle of an engine, a current-waveform setting portion that sets a current waveform of a current supplied to the fuel injection valve on the basis of the fuel injection condition calculated by the operation-condition calculation portion, and so on. The current-waveform setting portion sets the current waveform so as to set a temporal change of a pickup current of a needle provided in the fuel injection valve to be equal to or less than a predetermined reference value when a fuel injection start timing is equal to or more than 180 degrees BTDC. The current-waveform setting portion sets the current waveform so as to set a temporal change of the pickup current of the needle to be more than the predetermined reference value when the fuel injection start timing is smaller than 180 degrees BTDC.
Inventors:
Masayuki Niwa
Noritsugu Kato
Makoto Tanaka
Noritsugu Kato
Makoto Tanaka
Application Number:
JP2015008331A
Publication Date:
February 06, 2019
Filing Date:
January 20, 2015
Export Citation:
Assignee:
株式会社ＳＯＫＥＮ
株式会社デンソー
株式会社デンソー
International Classes:
F02M51/00; F02D41/20; F02D41/34; F02M45/00; F02M45/12; F02M51/06
Domestic Patent References:
| JP2010236494A | ||||
| JP2006029281A | ||||
| JP2013160049A | ||||
| JP2000027725A | ||||
| JP2004508481A | ||||
| JP2009074373A |
Attorney, Agent or Firm:
Masaki Hattori