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Title:
METHOD FOR CONTROLLING EXHAUST EMISSIONS FROM DIRECT INJECTION HOMOGENEOUS CHARGE COMPRESSION IGNITION ENGINES
Document Type and Number:
Japanese Patent JP2011163350
Kind Code:
A
Abstract:

To provide a method for controlling exhaust emissions from a direct injection homogeneous charge compression ignition engine.

The method includes combusting a fuel having: a cetane number or derived cetane number as determined by ASTM D613 or ASTM D6890, respectively, of between ≥38.5 to ≤50; a total aromatic compounds content of between ≥28.7 to ≤44.7 wt.% ; and 90% distillation temperatures as determined by ASTM D86 of between ≥314°C to ≤329°C, and setting fuel injection timing to the engine to before top dead center, in the direct injection homogeneous charge compression ignition engine in which the fuel is injected during the compression stroke. As a result, the method allows the direct injected homogeneous charge compression ignition engine to operate while controlling the exhaust emissions, and allows NOx exhaust discharge to be ≤20 ppm.


Inventors:
SOBOTOWSKI RAFAL A
SCHLEYER CHARLES H
DUFFY KEVIN P
ERDMAN KENNETH D
Application Number:
JP2011114186A
Publication Date:
August 25, 2011
Filing Date:
May 20, 2011
Export Citation:
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Assignee:
EXXONMOBIL RES & ENG CO
CATERPILLAR INC
International Classes:
F02B3/06; C10L1/08; C10L1/23; C10L10/02; C10L10/06; F02B17/00; F02D41/02; F02M1/16; F02M25/14
Domestic Patent References:
JP2002256931A2002-09-11
JP2002227680A2002-08-14
JP2000356169A2000-12-26
JPH06159182A1994-06-07
JP2005504138A2005-02-10
JP2007514013A2007-05-31
Foreign References:
WO2003025100A22003-03-27
EP1371715A12003-12-17
Attorney, Agent or Firm:
Kazuhiro Kiyohara