Patent ID: 9482165
Filing Date: 2016-11-01
CPC Classification: F02D,F02M,Y02T

Claim Text:
1. An engine comprising: an engine housing that defines a plurality of cylinders; a piston positioned to reciprocate in each cylinder of the plurality of cylinders to define a compression ratio greater than 14:1; a plurality of fuel injectors, each fuel injector of the plurality of fuel injectors including a gaseous nozzle outlet set and a liquid nozzle outlet set positioned for direct injection into a corresponding cylinder of the plurality of cylinders; a gaseous fuel common rail and a liquid fuel common rail fluidly connected to a first fuel inlet and a second fuel inlet, respectively, of each fuel injector; and an electronic controller operatively coupled to each fuel injector, the electronic controller being configured to receive a signal indicative of a gaseous fuel pressure within the gaseous fuel common rail, receive an engine shutdown command signal, and close a gaseous fuel shutdown valve in response to the engine shutdown command signal, the gaseous fuel shutdown valve being disposed upstream of the plurality of fuel injectors, and continue running the engine after the engine shutdown command signal according to an engine shutdown algorithm, the engine shutdown algorithm including