WINDOW WITH FORCED VENTILATION Russian patent published in 2002 - IPC

FIELD: civil engineering, in particular, constructions of building windows and doors. SUBSTANCE: door with forced ventilation has hollow sections with a sealing between the built-up frame, device for control of the supplied outdoor air depending on the wind pressure. At least one swirler is installed in the front chamber of the built-up window-frame outside in the flow of outdoor air. The built-up frame is made at least with a single opening facing outside and at least with a single opening facing inside. EFFECT: provided sufficient ventilation of room even at operation of open furnace units and at operation of air exhausters. 10 cl, 3 dwg