Fuel injector pump especially for multi-cylinder engines - has pump plungers adjustable axially by ring located in eccentric groove

摘要

The pump plungers (3) are adjustable to compensate for the unequal ignition pressures in the individual combustion chambers. The pump plunger is actuated by a push rod (5) and biased by a coil spring (14) against a pressure piece (7). The pressure piece rests an evenly stepped rotatable ring (8), located in an eccentric groove (9) in the push rod base (10). The ring (8) is secured against unintentional turning by a spring element and a grub screw (12).