Patent ID: 6338445
Filing Date: 2002-01-15
Classification: F02M,Y10T

Abstract:
A fuel injector comprising a nozzle body having a first bore defining first and second seatings, an outer valve needle being slidable within the first bore and engageable with the first seating to control fuel flow from a first outlet opening, the outer valve needle being provided with a second bore within which an inner valve needle is slidable, the inner valve needle being engageable with the second seating to control fuel delivery through a second outlet opening, the outer valve needle including a deformable region which is shaped such that, in use, when the outer valve needle is urged against the first seating, the outer valve needle deforms,wherein the deformable region is shaped such that when the outer valve needle is urged against the first seating, the outer valve needle cooperates with the inner valve needle to form a substantially fluid tight seal.