FIELD: engine building.
SUBSTANCE: invention relates to an injector for use in a dosing system for cylinder lubrication oil in large diesel engine cylinders, such as marine engines, including: a lubricating oil supply system that may consist of a pump station or an accumulator; a supply line from lubricating oil supply system; a plurality of injectors each having an inlet for connecting to supply line, an opening/closing valve unit and one or more nozzle apertures for injecting cylinder lubricating oil into an associated cylinder; and a control unit controlling each opening/closing valve unit. Injector is characterised by that opening/closing valve includes a body of a ball valve and a valve seat interacting with it, wherein between stem of valve body and wall in guide bushing of opening/closing valve there is a gap having width greater than 10 mcm.
EFFECT: high reliability of injector by preventing of blocking of nozzle apertures.
35 cl, 7 dwg
