Internal combustion engine, combustion charge formation system, and method

摘要

A gaseous fuel internal combustion engine includes an engine housing defining at least one cylinder, and an intake housing defining an intake passage fluidly connecting with the at least one cylinder. The engine includes a gaseous fuel delivery mechanism coupled with the engine housing and a distributed ignition promoting mechanism having a bead presentation device extending into the intake passage and configured to present a liquid bead of distributed ignition promoting material therein such as engine lubricating oil. During operation, gases passing through the intake passage dislodge the liquid bead from the bead presentation device and carry the distributed ignition promoting material into the cylinder for distributively igniting therein a mixture containing a gaseous fuel, air and the distributed ignition promoting material.

主权项

1. A method of operating a gaseous fuel internal combustion engine comprising the steps of:
forming a liquid bead of distributed ignition promoting material on a bead presentation device in an intake passage of the gaseous fuel internal combustion engine; dislodging the liquid bead from the bead presentation device by way of gases passing through the intake passage and impinging upon the liquid bead so as to overcome a tendency of the liquid bead to remain on the bead presentation device; metering a gaseous fuel from a fuel supply conduit into a cylinder of the gaseous fuel internal combustion engine; and distributively igniting a charge that includes the gaseous fuel, air and the distributed ignition promoting material, in the cylinder.