Compression-ignition type engine

摘要

A compression-ignition type engine wherein auxiliary fuel of not more than 30 percent of the maximum amount of fuel is injected at the injection timing region II extending about 20 degrees from about 50 degrees before top dead center of the compression stroke, the auxiliary fuel is maintained in the state oxidized up to the intermediate oxidation stage up after the top dead center of the compression stroke from that, and the main fuel is injected after the top dead center of the compression stroke, whereby the injected fuel is simultaneously ignited at numerous locations.