Patent ID: 6513724
Filing Date: 2003-02-04
Classification: F02M

Abstract:
A fuel spray device for a fuel injector, the fuel injector having a longitudinal axis between a first end and a second end of the fuel injector, a closure member extending along the longitudinal axis in a first position contiguous to a seat to occlude fuel flow to the second end and a second position permitting fuel flow to the second end, the closure member having a sealing radius when the closure member is in the first position, the device comprising:a plate disposed proximate to the seat, the plate having a first face and a second face, the first face having an inlet, the second face having at least one chamber disposed thereon, the at least one chamber being in fluid communication with the inlet; an orifice disc disposed in a confronting arrangement with the second face of the plate, the orifice disc having an axis generally coincident with the longitudinal axis; and at least one orifice located at a second radius from the axis of the orifice disc, wherein the second radius is greater than the sealing radius.