AIR SUPPLY DEVICE AND AIR FLOW VELOCITY CONTROL METHOD Russian patent published in 2011 - IPC F24F11/00 

FIELD: engines and pumps.

SUBSTANCE: air supply device (10) includes heat exchanger (11) by means of which circulation air flow (L₂) supplied from the room can be cooled or heated. Air supply device (10) also includes mixing chamber (12) into which nozzles (16a₁, 16a₂…16a_n) are opened or gap (16) for flow for supply of primary (L₁) air flow to mixing chamber (12) by means of which primary (L₁) air flow leaving nozzles (16a₁, 16a₂…16a_n) or passing via gap (16) for flow in the form of flow (Q_s) induces circulation (L₂) air flow from the room (H), passing through heat exchanger (11) to mixing chamber (12). Combined (L₁ + L₂) air flow is supplied to the room (H). Air supply device (10) also includes control (100) bypassing on bypass way nozzles (16a₁, 16a₂… 16a_n) or gap (16) for flow for control of air flow (Q₃) passing through control (100), by means of which, depending on use of the room, total (ΣQ) air flow of fresh primary air (Q₃ + Q_s) supplied from outside of air supply device can be controlled.

EFFECT: enlarging the range of air flow velocities.

11 cl, 13 dwg