Patent ID: 6913212
Filing Date: 2005-07-05
Classification: F02M

Abstract:
1. A fuel injector, comprising: a spool slidable between a first position and a second position; an open and closed solenoid positioned on respective sides of the spool; an intensifier body positioned proximate to the spool; a piston slidably positioned within the intensifier body; a plunger being in contact with the piston, the plunger having a cross bore and a longitudinal bore in fluid communication with the cross bore; a high pressure chamber formed below the plunger; means for supplying fuel to a nozzle in fluid communication with the high pressure chamber, the means for supplying fuel extending within at least the intensifier body; a throttle for supplying a pilot quantity of fuel between the high pressure chamber and the means for supplying fuel to the fuel nozzle; and a check disk positioned below the plunger, the throttle being located within the check disk.