Title:
内燃機関の制御装置
Document Type and Number:
Japanese Patent JP5549784
Kind Code:
B2
Abstract:
When alcohol-blended fuel is supplied to an internal-combustion engine, the magnitude of alcohol concentration (more particularly, ethanol concentration Cetha) is judged (Step 1005) and, based on this judgment, the magnitude of operational status temperature (more particularly, cooling water temperature THW) is judged (Step 1015). Then, when the alcohol concentration is large and the operational status temperature is low, generation of an intermediate product which is an oxide of alcohol contained in the alcohol-blended fuel in an unburnt state after main injection and alcohol contained in the alcohol-blended fuel in an unburnt state after post injection (more particularly, aldehyde) is promoted, and the generated intermediate product is trapped in an intake passage by making an intake valve into an opened state in an exhaust stroke of the internal-combustion engine (Step 1055).
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Inventors:
Kazuhisa Matsuda
Koji Morita
Takahiro Tsukakoshi
Koji Morita
Takahiro Tsukakoshi
Application Number:
JP2013530907A
Publication Date:
July 16, 2014
Filing Date:
August 29, 2011
Export Citation:
Assignee:
Toyota Motor Corp.
International Classes:
F02D19/08; F02D13/02; F02D41/02
Domestic Patent References:
| JP2009264223A | 2009-11-12 | |||
| JP2009062940A | 2009-03-26 | |||
| JP2010222978A | 2010-10-07 |
Attorney, Agent or Firm:
Patent business corporation Pros Peck patent firm