Fuel injection valve for an internal combustion engine

摘要

A fuel injection valve is disclosed. It has a housing (12) with a cavity (13), a valve needle (14), an actuator (30) comprising a magnetic coil (34) being arranged in a coil casing (36) and an armature (32) in the cavity (13). The housing (12) comprises a separation ring (48) being positioned between the armature (32) and the coil casing (36) and being configured to lead the electromagnetic flux to the armature (32). The separation ring (48) comprises a first part (62) and a second part (64) . The first part (62) is made of a first material and the second part (64) is made of second material which differs from the first material. The first material and the second material are magnetic materials.