RECIRCULATING AIR CONTROL VALVE Russian patent published in 2017 - IPC F24F13/00 F24F7/00 

FIELD: ventilation.

SUBSTANCE: invention relates to air ventilation and conditioning systems and can be used for creation of optimum microclimate parameters in rooms of administrative and office buildings. Recirculating air distributor includes static pressure chamber with outlet holes, external air branch pipe, recirculation air branch pipe with fan, wherein circuits of ambient air and recirculation air are separated in static pressure chamber, static pressure chamber additionally comprises filter, recirculation air outlet is equipped with swirler cells, and ambient air outlet is equipped with diffuser.

EFFECT: technical task of disclosed invention is formation of plenum jet, adhering onto ceiling, with optimum parameters and uniform temperature distribution along its cross-section while ensuring constant aerodynamic resistance in external air circuit at change of recirculation air flow rate.

1 cl, 2 dwg