Abstract: A charging device may include a first component, a second component, and a spring element. The first component may be pre-stressed against the second component by the spring element. The spring element may be in the form of a securing ring which is open in at least one location.

Abstract: The present invention relates to an adjustment device (1) for adjusting a valve or a flap, in particular a pressure nozzle for actuating a bypass valve when a limit charge pressure on an exhaust-driven turbocharger is exceeded, which comprises a single- or multi-part housing (2), in particular a housing (2) having a housing lower part (3) and a housing lid. Essential to the invention is that a clip device (4) is provided, by means of which the adjustment device (1) is fastened to a part (6).