LOCOMOTIVE ENGINE WITH SKIPFIRE CONTROL SYSTEM

摘要

A skipfire control system for use in a locomotive engine includes a pluralit y of skipfire mechanisms (38). Each skipfire mechanism (38) is operatively associated with a respective injector rocker arm (20) of the plurality of cylinders (14) of the engine. Each skipfire mechanism (38) includes an actuator (42) movable between an inoperative position wherein the actuator (42) allows the camshaft (16) of the engine to engage and move the associate d injector rocker arm (20) to actuate the associated fuel injector (15), and a n operative position wherein the actuator (42) disengages the associated injector rocker arm (20) from the camshaft (16) to prevent the associated rocker arm (20) from actuating the associated fuel injector (15). A skipfire controller (40) is operatively connected to the skipfire mechanisms (38) and is responsive to an engine operating parameter to actuate selected ones of t he skipfire mechanisms (38).