Patent ID: 6682003
Filing Date: 2004-01-27
Classification: F02M

Abstract:
An injection nozzle for use in delivering fuel to a combustion space, the injection nozzle comprising:a nozzle body provided with a blind bore; and, a valve member which is slidable within the blind bore, the valve member including a first region of substantially frusto-conical form defining a seating surface which is engageable with a valve seating surface defined by the blind bore to control fuel delivery from the injection nozzle, and a second region arranged such that, when the valve member is seated against the valve seating surface, in use, the second region is located downstream of the valve seating surface, wherein the first region subtends a first cone angle which is greater than a second cone angle subtended by the second region wherein the angular difference between the first cone angle subtended by the first region and the second cone angle subtended by the second region is substantially 1Â°.