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Title:
CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE
Document Type and Number:
Japanese Patent JP2015045260
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To stop post injection when fuel for preventing the clogging of a nozzle port is injected.SOLUTION: In an internal combustion engine, a hydrocarbon supply valve (15), an exhaust emission control catalyst (13) and a particulate filter (14) are arranged in an engine exhaust passage. During post injection (PI) to raise the temperature of the exhaust emission control catalyst (13) or the particulate filter (14), when the fuel for preventing the clogging the nozzle port of the hydrocarbon supply valve (15) is injected from the hydrocarbon supply valve (15), the injection amount of the post injection (PI) is reduced or the post injection (PI) is stopped.

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Inventors:
MISAIJI YUKI
YOSHIDA KOHEI
Application Number:
JP2013176516A
Publication Date:
March 12, 2015
Filing Date:
August 28, 2013
Export Citation:
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Assignee:
TOYOTA MOTOR CORP
International Classes:
F02D41/38; B01D53/86; B01D53/94; F01N3/023; F01N3/025; F01N3/029; F01N3/08; F01N3/20; F01N3/24; F01N3/36; F02D41/04; F02D41/40
Domestic Patent References:
JP2003083040A2003-03-19
JPH06272541A1994-09-27
JP2000227022A2000-08-15
JP2009138731A2009-06-25
JP2011236874A2011-11-24
JP2009203866A2009-09-10
JP2003083040A2003-03-19
JPH06272541A1994-09-27
JP2000227022A2000-08-15
Foreign References:
EP2441934A22012-04-18
EP2441934A22012-04-18
Attorney, Agent or Firm:
Aoki 篤
Tsuruta Junichi
Tetsuro Shimada
Mitsuhashi Shinji
Koichi Ito
Yuichi Morimoto



 
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