Title:
FUEL INJECTION VALVE CONTROL DEVICE
Document Type and Number:
Japanese Patent JP2016180345
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a fuel injection valve control device capable of highly accurately determining an operating state of a fuel injection valve even in various situations.SOLUTION: A control device 10 comprises: difference arithmetic means 22a generating a difference waveform that is a difference between a normal operation waveform which is a voltage waveform of a fuel injection valve 12 when the fuel injection valve 12 operates, and a non-operating waveform which is a voltage waveform of the fuel injection valve 12 when the fuel injection valve 12 does not operate; a derivative arithmetic means 22b generating a derivative waveform obtained by time-derivation of the difference waveform; and operating-state determination means 22c determining an operating state of the fuel injection valve 12 on the basis of the derivative waveform.SELECTED DRAWING: Figure 1
Inventors:
MORIYA MASATERU
SATO TAKESHI
MIYASHITA JUNICHI
SETORIYAMA KOSAKU
SATO TAKESHI
MIYASHITA JUNICHI
SETORIYAMA KOSAKU
Application Number:
JP2015060441A
Publication Date:
October 13, 2016
Filing Date:
March 24, 2015
Export Citation:
Assignee:
KEIHIN CORP
International Classes:
F02D41/20; F02M51/06; F02M65/00; F16K31/06
Domestic Patent References:
| JP2014055571A | 2014-03-27 | |||
| JP2005325838A | 2005-11-24 | |||
| JP2007198235A | 2007-08-09 |
Foreign References:
| WO2015015541A1 | 2015-02-05 |
Attorney, Agent or Firm:
Takehiro Chiba
Toshiyuki Miyadera
Shuji Ouchi
Yasuharu Nakasone
Shiro Sakai
Toshiyuki Miyadera
Shuji Ouchi
Yasuharu Nakasone
Shiro Sakai