FILTER MATERIALS, FILTER MATERIAL PACKAGES AND FILTER ELEMENTS Russian patent published in 2021 - IPC B01D46/52 

FIELD: filter materials.

SUBSTANCE: invention relates to filter materials, filter media packages, filter elements, air cleaners and methods for the manufacture and use of filter materials, filter material packages, filter elements and air cleaners. In particular, embodiments of the present invention relate to zigzag filter materials, filter material packages, and filter elements. The air filtration material package contains a single-sided material containing the first set of riffles and the second set of riffles. The first and second sets of riffles are arranged in a parallel flow configuration. The first and second sets of riffles are characterized by differences in the shape of the riffles, the size of the riffles, the height of the riffles, the width of the riffles, the cross-sectional area of the riffles, or the filter material. The first set of riffles is located in the first set of layers of corrugated material in the material package, the second set of riffles is located in the second set of layers of corrugated material in the material package.

EFFECT: improving the filter performance, reducing the pressure loss on the element, increasing the ability to capture solid particles.

19 cl, 30 dwg