Title:
FUEL INJECTION CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE
Document Type and Number:
WIPO Patent Application WO/2015/133209
Kind Code:
A1
Abstract:
In order to eliminate noise generated by misfiring when the rotational frequency rises to the operating rotational frequency immediately after a low-temperature startup, or when the rotational frequency rises to the operating rotational frequency from an idling rotational frequency in a low-temperature state, a fuel injection control device for an internal combustion engine is equipped with: a fuel injection device that is capable of multi-stage injection of fuel (accumulated in a common rail (6)) by means of injectors (2); a cooling water temperature sensor (26) serving as a water temperature detection means that detects the temperature of cooling water in the engine (1); an exhaust temperature sensor (24) serving as an exhaust temperature detection means that detects the exhaust temperature of the engine (1); and an engine control unit (13) serving as a control device. When the engine starts up and the cooling water temperature is equal to or greater than a prescribed water temperature (T) degrees, the control device executes a misfire prevention mode whereby a multi-stage injection is continued.
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Inventors:
SHIRAMIZU TOSHIKI (JP)
HORI DAIKI (JP)
UETA ATSUSHI (JP)
HORI DAIKI (JP)
UETA ATSUSHI (JP)
Application Number:
PCT/JP2015/052525
Publication Date:
September 11, 2015
Filing Date:
January 29, 2015
Export Citation:
Assignee:
YANMAR CO LTD (JP)
International Classes:
F02D41/38; F02D41/02; F02D41/06; F02D41/08; F02D41/14; F02D45/00
Foreign References:
| JPH1061468A | 1998-03-03 | |||
| JP2001271671A | 2001-10-05 | |||
| JP2000154744A | 2000-06-06 | |||
| JP2004245103A | 2004-09-02 | |||
| JP2008128016A | 2008-06-05 |
Other References:
See also references of EP 3115586A4
Attorney, Agent or Firm:
YANO Juichiro (JP)
Juichiro Yano (JP)
Juichiro Yano (JP)
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