Pressure Fluctuations in a Common-Rail Fuel Injection System (1931)
NASA Technical Reports Server (NTRS) · leaf 11
tion orifice with a ratio of 1.0 the valve stem oscillated to a greater extent than with >t O 0 the ratio of 0.45. Although the values given for the instantaneous pressures in this particular case are open 6000 .06 to question because of the difficulty of analyzing the curve at the line of zero… … Figure 10.—Effect of restriction orifices on stem lift and oil pressures inserted in the injection lino at the entrance to the Injection pressure. 3,500 Ib./sq. in. automatic injection valve. Valve opening pressure 2,500 Ib./sq. in. The efl'ect of varying the discharge orifice diameter Initial…
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