Common rail injector for e.g. diesel engine, has distributor housed in valve body that includes sealing seat to control fuel supply from nozzle outlet, where sealing seat and sealing surface of valve piston are realized in form of flat seat

摘要

The injector has a distributor housed in a valve body (11) and comprising a controlled piston (15) and a valve piston (16) actuated by high pressure. The valve body has a sealing seat (23) to control fuel supply from a nozzle outlet (41). A sealing surface (22) of the valve piston and the sealing seat of the valve body are realized in the form of a flat seat.