AIR DISTRIBUTING GRATE Russian patent published in 1998 - IPC

FIELD: ventilation and air-conditioning systems; delivery of air to various rooms. SUBSTANCE: air distributing grate includes housing with guide vanes arranged inside it; guide vanes are made in form of parallel plates which are split on side of air outlet forming sections bent through angle of 15-30 deg to opposite sides. Number of sections bent to opposite sides reaches 10 or 20 to obtain higher efficiency; length of edge of these sections over cutting lines ranges from 0.02 to 0.1 of maximum size of plate in way of motion of air. Besides that, sections bent to opposite sides have curvilinear surface and their convex sides are directed towards each other. Guide vanes are turnable to control rate and direction of air flow. EFFECT: enhanced efficiency. 5 cl, 7 dwg