PRINCIPLES GASOLINE/DIESEL FUEL SYSTEMS - OD1620 - LESSON 2/TASK 2
is injected into the chamber because the straight section of the pintle is
in the nozzle orifice. The volume of the fuel spray then increases
progressively as the pintle is lifted higher, because the straight section
leaves the nozzle orifice and the trapped tip of the pintle in the orifice
provides a larger opening for the flow of fuel.