Patent ID: 7055493
Filing Date: 2006-06-06
Classification: F02B,F02D,F02M,Y02T

Abstract:
1. A method for fuel injection in a combustion engine of piston-and-cylinder type with compression ignition the method comprising operating the engine with a compression phase in the combustion chamber and with an ignition phase in the combustion chamber, supplying a regulated fuel quantity to the combustion chamber for each work cycle of the engine, the supplying comprising injecting a first portion of said regulated fuel quantity during the compression phase of operation of the combustion chamber to initiate combustion of the first portion before an upper dead center point of a piston in the combustion chamber and without an ignition device initiating the combustion of the first portion, and later injecting a second portion of said regulated fuel quantity to the combustion chamber as injected fuel at a time for conventional initiation of the ignition phase in the combustion chamber wherein the second portion is injected after the first portion has substantially burnt.