AIR DELIVERING DEVICE Russian patent published in 1994 - IPC

FIELD: ventilation and air-conditioning technology. SUBSTANCE: outlet nozzles are fastened in a cover of a case with an inflow branch pipe. Converging, annular flow and diverging sections are located in each nozzle down the air flow. A panel is mounted on the cover in a spaced relation and for movement towards the nozzle axes. A heat exchanger is located in the case. The panel has extensions located concentrically to the nozzles. An air wave generator has an air medium control source which communicates with annular boxes by pipelines. The boxes are positioned around the annular flow section of each nozzle and are connected to them by a circumferential row of flow holes. A control valve is mounted on each pipeline. EFFECT: improved structure. 3 dwg