AIR DISTRIBUTOR Russian patent published in 2013 - IPC F24F13/06 

FIELD: ventilation.

SUBSTANCE: air distributor includes a housing, at the inlet of which an axial fan is arranged and at the outlet of which adjustable guide vanes are arranged. A hollow cylinder, the side surface of which is perforated, is located coaxially to the housing and inside it with a gap. A hole equipped with a branch pipe to be connected to a supply air duct is made in the side surface. Air distributor is equipped with a frequency control connected to a fan electric motor and with a comparison device, to which temperature sensors of the air in the room and at the outlet of guide vanes are connected. Comparison device supplies signals to the frequency control that supplies commands to the fan motor to change the number of revolutions, i.e. to change the flow rate of the room air supplied to the air distributor.

EFFECT: automatic control of temperature difference between plenum air and room air by changing the amount of the air from the room, which is supplied to the air distributor, until the specified value of temperature difference is achieved between plenum air and room air; required direction of air jets from the air distributor outlet is provided.

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