FILTERING SYSTEM FOR EXHAUST HOOD AND EXHAUST HOOD Russian patent published in 2007 - IPC A47J36/38 B01D45/00 B08B15/00 F24C15/20 

FIELD: designs of filtering systems and filtering members.

SUBSTANCE: filtering system for separating particles and(or) drops from air passing through filtering device. Filtering system includes arranged in the same plane filtering gasket and vortex separator placed along perimeter of filtering gasket. Vortex separator is provided with means causing increased (in comparison with filtering gasket) speed of flow and higher turbulence. Vortex separator may be formed of horizontal vortex members, horizontally bent members and of notched-expanded metal.

EFFECT: enhanced edge suction.

45 cl, 13 dwg