Fuel injection system for diesel engines.

摘要

The present invention relates to a fuel injection pump in an accumulator fuel injection system for diesel engines. In this fuel injection pump, a plunger (3) is biased by means of a spring (8) in an opposite direction against which the fuel is pressurized, and the plunger chamber (15) and the passage (32) of the discharge union (4) are connected each other via a delivery valve (21), whereas a suction chamber (17) and a plunger cahmber (15) are connected each other via an inlet valve (23).