A piston element arrangement, in particular for an injection nozzle (1) for fluids, comprises a piston element (7) having at least one guide section (7a) and a central axis (7e); and a bore (9) in which the at least one guide section (7a) of the piston ele...

The injection nozzle has an inner contour with a pre-chamber (14) that opens at an end into a spray chamber with an inlet opening (13). A cylindrical guide channel (17) that is connected to another end of the pre-chamber communicates with outside of a body...

The nozzle a nozzle needle adjustably guided in a body. A pressure chamber is connected with inlet holes and with a spraying chamber (6) via a passage, which comprises a needle seat for cooperation with a needle tip of the nozzle needle. The spraying chamb...