Patent ID: 6659071
Filing Date: 2003-12-09
Classification: F01N,F02B,F02D,F02M,F02N,Y02T

Abstract:
An internal combustion engine operable in a premixed charge compression ignition mode with at least a portion of fuel combusted in a premixed charge compression ignition combustion event, comprising:an engine body with a piston assembly; a combustion chamber formed in said engine body by said piston assembly; an intake system for delivering intake air to said combustion chamber during an intake stroke of said piston assembly; a mixing device that mixes a first fuel with said intake air to provide a premixed charge of air and said first fuel; a direct fuel injector adapted to directly inject a second fuel into said combustion chamber; and a control system adapted to control said direct fuel injector in a manner to provide at least one early control injection of said second fuel into said combustion chamber before start of the premixed charge compression ignition combustion event.