METHOD AND APPARATUS FOR PROVIDING FOR HIGH EGR GASEOUS-FUELLED DIRECT INJECTION INTERNAL COMBUSTION ENGINE
摘要
A method and apparatus is disclosed for adjusting pilot fuel injection timing in relation to a main fuel injection timing into a piston cylinder of an operating gaseous-fuelled direct injection internal combustion engine using high levels of EGR. A set of engine parameters are monitored which determine engine load and engine speed and an indicator of EGR concentration within the intake charge. Pilot fuel timing relative to main fuel injection timing is then adjusted according to the engine parameters. High levels of EGR are shown to be tolerated with relatively limited penalties in regards to other emissions typically found with high EGR by reducing the relative injection timing the pilot fuel as compared to main fuel injection timing.
申请公布号
WO2005031132(A1)
申请公布日期
2005.04.07
申请号
WO2004CA01736
申请日期
2004.09.23
申请人
WESTPORT RESEARCH INC.;THE UNIVERSITY OF BRITISH COLUMBIA;MUNSHI, SANDEEP;MCTAGGART-COWAN, GORDON;BUSHE, KENDAL;ROGAK, STEVEN
发明人
MUNSHI, SANDEEP;MCTAGGART-COWAN, GORDON;BUSHE, KENDAL;ROGAK, STEVEN