PLENUM-EXHAUST AIR-VENTILATION DEVICE Russian patent published in 2006 - IPC F24F12/00 F24F3/147 

FIELD: air conditioning and ventilation.

SUBSTANCE: device comprises housing, passages for forced and exhaust air ventilation, fan, chamber with the regenerative heat exchanger, chamber that is mounted on the roof of the building and made of parallelepiped-shaped housing whose walls are made of heat insulated panels interconnected by means of locks, metallic frame that is the base of the housing, and horizontal regenerative heat exchanger mounted at the top of the chamber. The heat exchanger is made of extensible frame divided into two spaces by the baffle that has the bearings of the drum core defined by belts made of corrugated aluminum foil and tightly wound on the core. The periphery of the drum made of a ring is rigidly connected with the core via tree radial spokes. The baffle of the frame with drum defines the passages for inflowing and outflowing air that receive filters for cleaning air.

EFFECT: enhanced efficiency.

2 cl, 4 dwg