Cummins Inc.
IN-CYLINDER AIR INJECTION VIA DUAL-FUEL INJECTOR

Abstract:

A fuel system is provided, comprising: a liquid fuel source; a gaseous fuel source; and a dual injector having a first flow path in flow communication with the liquid fuel source and a second flow path in flow communication with gaseous fuel source, and an outlet in flow communication with the first and second flow paths and positioned to directly inject liquid fuel from the first flow path and gaseous fuel from the second flow path into a combustion chamber of a cylinder of an engine.