Abstract: The present invention is directed to a method for operating a flight-propulsion system of an aircraft, the flight-propulsion system having a propulsion unit, a water discharger arranged downstream of the propulsion unit and a reservoir for receiving water, in which method the propulsion unit is operated and, during a flight of the aircraft, water resulting from the operation of the propulsion unit is discharged by the water discharger, wherein at least some of the discharged water is fed to the reservoir, and wherein at least some of the water that is fed to the reservoir is given off to the surroundings while the flight is still in progress, that is to say is only temporarily stored in the reservoir.

Abstract: The present invention relates to a wear protection arrangement for a turbomachine, comprising at least one adjustable guide vane, a casing in which the guide vane is arranged in an adjustable manner, an inner ring, made from a metallic material, in or on which the guide vane is arranged in an adjustable manner, a first gap between an inner guide vane tab and the inner ring and a second gap between an outer guide vane tab and the casing, at least one wear protection coating, wherein the wear protection coating(s) is/are connected to the inner ring and/or to the inner guide vane tab and the wear protection coating(s) forms or form the first gap, at least in certain regions, and/or the wear protection coating(s) is/are connected to the casing and/or to the outer guide vane tab and the wear protection coating(s) forms/form the second gap, at least in certain regions.

Abstract: A heat sink for semiconductor components or similar devices, especially produced from an extruded aluminum alloy. The heat sink comprises cooling ribs which rise at a distance from a base plate and which are clamped in an insert groove made in the surface of the base plate, laterally limited by longitudinal or intermediate ribs with a coupling base that has an approximately rectangular cross-section. The coupling bases are held in their insert grooves in a form-fit and are cold-welded with the base plate at least in some sections. Cross ribs extend at a distance to one another on the surfaces of the intermediate ribs and have the form of upset heels that are linked with the coupling base in a form-fit.

Abstract: A heat sink for semiconductor components or similar devices, especially produced from an extruded aluminum alloy. The heat sink comprises cooling ribs which rise at a distance from a base plate and which are clamped in an insert groove made in the surface of the base plate, laterally limited by longitudinal or intermediate ribs with a coupling base that has an approximately rectangular cross-section. The coupling bases are held in their insert grooves in a form-fit and are cold-welded with the base plate at least in some sections. Cross ribs extend at a distance to one another on the surfaces of the intermediate ribs and have the form of upset heels that are linked with the coupling base in a form-fit.