AIR-DISTRIBUTION MEANS Russian patent published in 2006 - IPC F24F1/00 

FIELD: air conditioning equipment, particularly outlets for directing or distributing air into rooms or spaces.

SUBSTANCE: air distribution device comprises diffuser body with outlet orifices arranged at outlet thereof and cylindrical inlet pipe connected to air duct. The inlet pipe has injection openings arranged at outlet thereof. The cylindrical inlet pipe is provided with elastic sleeve surrounding it and rigidly connected to inlet pipe in front of injection openings by the first end thereof. The first elastic sleeve end is connected to the inlet pipe so that the elastic sleeve may move relative the injection openings to close and open thereof. Contraction insert is installed in the inlet pipe. Diffusion body is connected to the inlet pipe through the second elastic sleeve attached to inlet pipe by upper end and to the body by the lower end thereof. Body bottom is made as plate with outlet orifices. The second plate with orifices is installed above the bottom. Orifices of the second plate are displaced relative outlet bottom orifices and when the second plate touches the bottom orifices of the second plate closes outlet orifices. The second plate has elastic pad connected to bottom surface thereof and connected to the plate. The elastic pad also has orifices superposed with the second plate orifices. The second plate is rigidly connected with vibration means through shaft. The vibration means are arranged in the body and secured to the inlet pipe by rods. The vibration means is electrically linked with vibration frequency and amplitude regulator.

EFFECT: increased efficiency of incoming air velocity reduction inside room, reduced temperature drop between incoming air jets and room air due to incoming air mixing with room air through injection openings.

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