Fuel injection valve for internal combustion engine has axial channel in form of annular gap

摘要

The fuel injection valve has a valve needle (3), valve sealing body (4) and a valve seat surface (6). there is at least one turbulence channel downstream of the seat, with a tangential component. An axial channel (35) runs from the valve sealing body to the guide recess (34) of the turbulence disk (31), configured as an annular gap and with a through-flow limiting part (36) providing the axial component.