| 摘要 |
The invention relates to a valve assembly (11) for an injection valve (10), comprising a valve body (12) including a central longitudinal axis (L), the valve body (12) comprising a cavity (18) with a fluid inlet portion (42) and a fluid outlet portion (40), a valve needle (20) axially movable in the cavity (18), the valve needle (20) preventing a fluid flow through the fluid outlet portion (40) in a closing position and releasing the fluid flow through the fluid outlet portion (40) in further positions, and an electro-magnetic actuator unit (36). The electro-magnetic actuator unit (36) is designed to actuate the valve needle (20). The electro-magnetic actuator unit (36) comprises a pole piece (37) and an armature (22), comprising at least one aperture (48) extending from the first axial end (24a) to the second axial end (24b) of the armature (22). |
