Abstract: A method for designing and/or controlling a filter assembly for the air supply to a turbomachine includes: calculating a current and/or an expected concentration of particles in air present at an inlet of at least one filter stage of the filter assembly as a function of a mean size of the particles; calculating a sensitivity spectrum that, depending on the mean size of the particles, indicates an extent to which a predetermined concentration of such particles has a negative effect on performance and/or on service life of the turbomachine; calculating, for at least one filter candidate usable in the filter stage and/or switchable on or off, a concentration of particles to be expected at an outlet of the filter from a concentration and filter properties of the at least one filter candidate; and calculating a quality rating from the concentration and a sensitivity spectrum.

Abstract: A filter cartridge has a filter medium that is provided at least on an end face with a flange that serves for the installation of the filter cartridge in a filter arrangement, whereby the flange has a radial flange and a support section, whereby the support section extends in the lengthwise direction of the filter cartridge.

Abstract: A method for designing and/or controlling a filter assembly for the air supply to a turbomachine includes: calculating a current and/or an expected concentration of particles inair present at an inlet of at least one filter stage of the filter assembly as a function of a mean size of the particles; calculating a sensitivity spectrum that, depending on the mean size of the particles, indicates an extent to which a predetermined concentration of such particles has a negative effect on performance and/or on service life of the turbomachine; calculating, for at least one filter candidate usable in the filter stage and/or switchable on or off, a concentration of particles to be expected at an outlet of the filter from a concentration and filter properties of the at least one filter candidate; and calculating a quality rating from the concentration and a sensitivity spectrum.

Abstract: A filter cartridge has a folded filter medium that is formed into a prism at least in regions and comprises two interconnected end folds, and which filter cartridge is constantly or cyclically subjected to stresses, specifically subjected to stresses from dedusting by means of pressure surges, is characterized in that the end folds overlap one another.

Abstract: A filter cartridge has a filter medium that is provided at least on an end face with a flange that serves for the installation of the filter cartridge in a filter arrangement, whereby the flange has a radial flange and a support section, whereby the support section extends in the lengthwise direction of the filter cartridge.

Abstract: A filter cartridge has a folded filter medium that is formed into a prism at least in regions and comprises two interconnected end folds, and which filter cartridge is constantly or cyclically subjected to stresses, specifically subjected to stresses from dedusting by means of pressure surges, is characterized in that the end folds overlap one another.