Hydraulics of Fuel-Injection Pumps for Compression-ignition Engines (1932)
NASA Technical Reports Server (NTRS) · leaf 44
43 HYDRAULICS OF FUEL INJECTION PUMPS FOR COMPRESSION-IGNITION ENGINES The effect of load on the instantaneous pressures with that because of the compressibiUty of the fuel the pres- the type of pump he employed is shown in Figure 37. sures did not reach the maximum pressure of 2,000 lb. It is seen… … Figure 35.—Fuel pump used by Alexander the valve opening pressure exceeded this amount. I pressures, after injection started, decreased at a more ^ J , . . ^ j_, J.— — rapid rate because of the fuel quantity by-passed When this was so, the pressure dropped steadily after through the spill valve.…
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