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Patent Searching and Data


Title:
INTERNAL COMBUSTION ENGINE
Document Type and Number:
Japanese Patent JP2018080630
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To eliminate a thermoplastic deposit to deposit in an injection hole part of a cylinder fuel injection valve.SOLUTION: An internal combustion engine comprises: a fuel injection valve for injecting a fuel directly into a combustion chamber; and a control device. On the basis of the operational state of the internal combustion engine, the control device performs: an estimation processing for estimating that a thermoplastic deposit is formed in the injection hole part of the fuel injection valve; a temperature control processing for raising the temperature of the injection hole part in the case where it is estimated that the thermoplastic deposit has been formed; and a removal processing for injecting the fuel from the fuel injection valve after the temperature control processing.SELECTED DRAWING: Figure 4

Inventors:
KITAZUME YOSHIYUKI
TAKADA NORIFUMI
HANEHARA TERUAKI
Application Number:
JP2016223379A
Publication Date:
May 24, 2018
Filing Date:
November 16, 2016
Export Citation:
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Assignee:
TOYOTA MOTOR CORP
International Classes:
F02M61/18; F02M53/04; F02M63/00
Domestic Patent References:
JP2007239686A2007-09-20
JP2005201113A2005-07-28
JP2016017508A2016-02-01
JP2014208987A2014-11-06
Foreign References:
US20090090332A12009-04-09
Attorney, Agent or Firm:
Hideki Takahashi
Mamoru Takada
Hidekazu Onishi