VENTILATING UNIT Russian patent published in 2001 - IPC

FIELD: construction engineering; erection of civil and residential buildings using box units of sanitary purpose. SUBSTANCE: ventilating unit has air ducts and composite air duct separated by vertical diaphragms; holes are made in vertical diaphragms between air ducts of rooms and composite air duct. Unit is assembled of two symmetrical semi-units abutting against each other through open sides to form common air riser provided with common collecting duct for two adjacent flats. Air ducts of rooms are separated by diaphragms between flats; inclined diaphragms are installed in upper parts of air ducts of rooms. EFFECT: enlarged usable area; reduced material input. 4 dwg