VENTILATION AIR RELEASE DEVICE (VARD) Russian patent published in 2020 - IPC F24F13/00 

FIELD: ventilation and air conditioning.

SUBSTANCE: invention relates to ventilation and air conditioning equipment and can be used to supply inlet air to rooms and objects for various purposes. In a ventilation air outlet device having a box-edging rectangular mounting frame, an air duct element with a pair of opposed inlet openings and a curved surface facing the window with its concave side, and by convex side - to ventilation flow and installed with opening of window on side of ventilation flow and possibility of air outlet, wherein element is made in the form of hollow cylinder (1) with open ends for passage of opposite air flows, installed in rectangular window (2) with overlapping of the latter on the side of ventilation flow and formation on the outside of concave screen (4) frame (3) with the pair of opposed outlet openings (5), each of which is limited by edge of opening (2) and end edge of screen (4), and on opposite side and, in fact, from inner side of frame (3) - pair of opposite inlet holes (6).

EFFECT: design of a design version of an air distributor, having higher uniformity of air distribution while providing higher intensity of attenuation of supply jets speed and higher convenience of installation.

6 cl, 3 dwg