Patent ID: 8684286

Claim:
An injection valve comprising a valve body and a nozzle body, wherein the nozzle body rests in a sealed manner against the valve body, a first bore being provided in the valve body, in which bore a control piston and a stroke adjusting bolt are arranged in a displaceable fashion in an axial direction, the control piston being embodied in order to be moved by an actuation means, a second bore being provided in the nozzle body, a nozzle needle being arranged in the second bore, said nozzle needle being provided to open or close an injection opening, a tension spring being provided in the second bore, said tension spring stressing the nozzle needle in the direction of a seal seat for the injection opening, with the first and the second bore being connected to one another, wherein the stroke adjusting bolt is actively coupled to the nozzle needle, wherein the first bore in the valve body in which the control piston and stroke adjusting bolt are arranged has a smaller diameter than the second bore in the needle body in which the nozzle needle is arranged, such that at a first end of the valve body facing a first end of the needle body, a portion of the valve body covers a portion of the second bore in the needle body, and wherein the tension spring is located axially between (a) the portion of the valve body covering the portion of the second bore in the needle body and (b) an end of the nozzle needle.