Title:
FUEL INJECTION DEVICE
Document Type and Number:
WIPO Patent Application WO/2014/162832
Kind Code:
A1
Abstract:
The present invention addresses the problem of appropriately assessing whether or not there are abnormalities in an injector and whether or not there is corrosion in an injection hole of the injector. A fuel injection device provided with: an injector for injecting fuel into cylinders of an engine; a fuel injection amount acquiring unit for acquiring the amount of fuel injected by the injector; a heat generation amount acquiring unit for acquiring the amount of heat generated by the fuel injected by the injector and ignited; and a control unit for assessing that an abnormality in the injector has occurred when the difference between the fuel injection amount acquired by the fuel injection amount acquiring unit and a reference fuel injection amount is within a predetermined range, and the heat generation amount acquired by the heat generation amount acquiring unit is assessed to be greater than a reference heat generation amount corresponding to the reference fuel injection amount.
Inventors:
IKEMOTO MASATO (JP)
Application Number:
PCT/JP2014/056512
Publication Date:
October 09, 2014
Filing Date:
March 12, 2014
Export Citation:
Assignee:
TOYOTA MOTOR CO LTD (JP)
International Classes:
F02M61/16; F02D45/00; F02M63/00
Foreign References:
| JP2010196556A | 2010-09-09 | |||
| JP2010101245A | 2010-05-06 | |||
| JP2009002229A | 2009-01-08 | |||
| JP2010255462A | 2010-11-11 | |||
| JP2010255462A | 2010-11-11 |
Other References:
See also references of EP 2982856A4
Attorney, Agent or Firm:
KATAYAMA, SHUHEI (JP)
Shuhei Katayama (JP)
Shuhei Katayama (JP)
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