DIFFUSION GAS EXCHANGER Russian patent published in 2001 - IPC

FIELD: ventilation and air conditioning, at the same time protection against aerosol contaminations (dust, microorganisms, etc) of air of dustless or pure working zones. SUBSTANCE: diffusion gas exchanger has upper and lower covers, and a pack of track diaphragms with spacers located between them, forming through slotted ducts between them for passage of indoor and outdoor air, it is additionally provided with distributors made, for example, in the form of arched guide partitions positioned in two ducts for passage of internal air for formation of parallel flows of indoor and outdoor air in the same direction, the slotted ducts for passage of internal air are sealed at all ends, except for the inlet and outlet ones. EFFECT: enhanced efficiency of gas exchange, and prolonged service life of the diaphragm due to enhanced rates of air flows running in parallel without creation of pressure differential in diaphragms. 2 dwg