| 摘要 |
PROBLEM TO BE SOLVED: To provide an improved variable orifice type injection nozzle used for a fuel injection system for an internal combustion engine and an injector using the injection nozzle. SOLUTION: The injection nozzle 4 for the internal combustion engine includes a nozzle body 6 provided with a bore 8 defining a valve seating surface 22, a first nozzle outlet 12 and a second nozzle outlet 18; a first delivery chamber 50 in the upstream sides of the nozzle outlets 12, 18; and an outer valve member 10 movable within the bore 18 and itself provided with an axial bore 16, wherein the outer valve member 10 can be engaged with a outer valve seat 24 defined by the valve seating surface 22 so as to control a fuel flow from the first delivery chamber 50 to at least the first nozzle outlet 12 when the outer valve member 10 lifts from its seat 24. COPYRIGHT: (C)2006,JPO&NCIPI
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