FUEL RAIL ASSEMBLY

摘要

A fuel rail assembly for an internal combustion engine is disclosed. It comprises a plurality of fuel delivery lines branching off from a fuel rail, each fuel delivery line hydraulically coupling one fuel injector to an outlet port of the fuel rail. Each fuel delivery line has a one-piece pipe which extends from an outlet port of the fuel rail to the respective fuel injector. The pipe has a cylindrical connection section adjoining the respective outlet port and a cylindrical injector cup section in which a fuel inlet portion of the respective fuel injector is received. The connection section and the injector cup section have different hydraulic diameters.

主权项

1. A fuel rail assembly for an internal combustion engine comprising:
an elongated tubular fuel rail with a plurality of outlet ports; a plurality of fuel injectors; a plurality of fuel delivery lines branching off from the fuel rail, each fuel delivery line hydraulically coupling one of the fuel injectors to one of the outlet ports; wherein each fuel delivery line has a one-pieced pipe, the pipe extending from an outlet port of the fuel rail to the respective fuel injector so that it hydraulically couples the fuel injector to the fuel rail having a cylindrical connection section adjoining the respective outlet port and a cylindrical injector cup section in which a fuel inlet portion of the respective fuel injector is received, the connection section and the injector cup section having different hydraulic diameters.