AIR DISTRIBUTOR Russian patent published in 1994 - IPC

FIELD: ventilation systems. SUBSTANCE: air distributor has inlet branch pipe, outlet diffuser connected to inlet branch pipe and coaxial flow resonator installed in diffuser. Flow resonator is made in form of cylinder with central recess made in cylinder at branch pipe side. Needle is installed in central recess with its sharp tip projecting from recess. Resonator can be made also in form of central part with spherical segment connected by its holder to central part and pointed with its convex surface to branch pipe forming together with part a stepped surface, or in form of conical part with circular recess pointed with its apex to branch pipe. EFFECT: increased degree of reduction of outflow velocity. 3 dwg