Title:
CONTROL DEVICE AND CONTROL METHOD FOR INTERNAL COMBUSTION ENGINE
Document Type and Number:
Japanese Patent JP2016044551
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To set a timing for injecting hydrocarbon from a hydrocarbon supply valve to be optimum.SOLUTION: In an internal combustion engine, hydrocarbon is intermittently injected from a hydrocarbon supply valve (15) into an engine exhaust passage for eliminating NOfrom exhaust gas. An appropriate interval for injecting the hydrocarbon depending on the operating condition of the engine is calculated on the basis of a predetermined calculation period, and when an elapsed time from previous injection reaches or exceeds a calculated up-to-date optimum injecting interval, the injection of the hydrocarbon from the reductant supply valve (15) is executed.SELECTED DRAWING: Figure 12
Inventors:
MISAIJI YUKI
Application Number:
JP2014166727A
Publication Date:
April 04, 2016
Filing Date:
August 19, 2014
Export Citation:
Assignee:
TOYOTA MOTOR CORP
International Classes:
F01N3/36; B01D53/94; F01N3/08; F01N3/20
Domestic Patent References:
| JP2005133703A | 2005-05-26 | |||
| JP2002106332A | 2002-04-10 | |||
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Foreign References:
| WO2013121520A1 | 2013-08-22 | |||
| WO2011114501A1 | 2011-09-22 | |||
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Attorney, Agent or Firm:
Atsushi Aoki
Jun Tsuruta
Tetsuro Shimada
Shinji Mitsuhashi
Koichi Ito
Yuichi Morimoto
Jun Tsuruta
Tetsuro Shimada
Shinji Mitsuhashi
Koichi Ito
Yuichi Morimoto