AIR DISTRIBUTOR Russian patent published in 2003 - IPC

FIELD: ventilation systems. SUBSTANCE: air distributor includes housing in the form of diffuser with discharge openings in its outlet. Housing is secured to air duct by means of cylindrical inlet branch pipe having ejection windows on its surface. Air distributor also includes confuser insert mounted in inlet branch pipe; elastic collar secured to cylindrical inlet branch pipe, embracing it and rigidly secured by its one edge to inlet branch pipe in front of ejection windows along air flow motion with possibility of moving along said windows and closing them. Coupling with dead opening is mounted inside housing coaxially relative to it. Round opening coaxial to housing is provided in bottom of housing. Over said opening round plate is arranged. Said plate has diameter more than that of round opening and it is provided with radially arranged slit-like openings and in center it has coaxially mounted threaded coupling. Number of discharge openings formed between edges of housing bottom, round plate and ribs secured radially to edges of bottom strictly corresponds to number and arrangement of radial slit-like openings of round plate. Upper edges of ribs are freely passed through slit-like openings of round late. Threaded rod passes through threaded coupling; thread of rod corresponds to that of coupling. Said rod has smooth upper end and it is mounted with possibility of free rotation in dead opening of coupling body. Lower end of rod is provided with handle. EFFECT: possibility for controlling in desired range volume of air supplied from air distributor. 2 dwg