Fuel injector having novel multiple orifice disk members

摘要: Multiple stacked orifice disk members (26a, 26b) cooperatively form a chamber space (46) through which fuel is constrained to pass as it flows from the valve seat (20) nozzle (16). Orifices (48) in one member that communicate flow are larger and perform primarily turbulent creating function while orifices another (50) smaller metering targeting function. Thus, turbulence functions segregated each other. In certain embodiments at least more sandwiched between first two divide or portions still providing fluid communication such portions, added member(s) contributing either both of better targeting. embodiments, all equal so contributes turbulence, metering,