Patent ID: 8225940
Filing Date: 2012-07-24
Classification: B01D

Abstract:
1. A filter element, comprising: a filter material having individual filter folds arranged in a star shape; at least one fluid-permeable support having a porous base structure with pores and extending at least partially into spaces between adjacent filter folds, said support extending at least on one of an inner peripheral side of said filter material and on an outer peripheral side of said filter material, said base structure being formed of at least one of dual-component fibers and of a poured filter-active substance bed, said base structure forming a matrix of at least one of self-binding plastic fibers and natural fibers being at least partially fibrillated; filter-active substances being one of provided with said support and forming said support, at least to some extent said filter-active substances being enclosed in said pores; and at least one of a finely fibrillated fiber and inert particles forming agglomerates of particles with a defined size of 0.5 to 100 μm in said matrix.