An injector nozzle of a fuel injector for an internal combustion engine comprises a valve needle, and a nozzle body extending along a longitudinal axis from a tip, at a proximal end, to an opposing distal end for connection to the fuel injector. The nozzle body is provided with a bore within which the valve needle is moveable; and a valve seat defined at a proximal end of the bore and transitioning into a sac that defines a sac volume. The valve needle is moveable relative to the valve seat to control fuel delivery through a first set of nozzle outlets and a second set of nozzle outlets. The valve needle includes a seat region and a fuel guiding region extending proximally from the seat region.
Injector Nozzle
2022-04-20
Patent
Electronic Resource
English
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