Distributor injection pump
Unlike inline injection pumps which pump fuel to each cylinder,
distributor injection pumps sequentially distribute and pump
fuel to all cylinders with one or a set of plungers, regardless
of the number of engine cylinders.
■ A set of plungers (two) that generate high-pressure fuel is
built into the rotor of the high-pressure generator. During one
revolution along the cam ring, these plungers operate
reciprocally a number of times equivalent the number of engine
cylinders, taking turns sucking fuel and pumping it to each
nozzle.
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