SPRAYER OF DIESEL NOZZLE Russian patent published in 1996 - IPC

FIELD: engine engineering. SUBSTANCE: sprayer has housing and stop needle. The needle is conjugated precisely with the housing over the generatrix of its guide part which is provided with two sealing collars having ring grooves. Three hollows are made between sealing collars on the guide part. The hollows form the cross-section in the form of polygon with three rounded tops arranged uniformly over the periphery and cut or arc-like hollows whose tops are less than the diameter of the guide part. . EFFECT: improved design. 3 dwg