Stack type heat exchanger

摘要: A stack type heat exchanger which comprises a plurality of tubular elements including tank section at least one end, the being adapted to allow exchange medium pass through; air paths interposed between element and next, each provided with fin member; wherein pair metal tray members jointed their peripheries an inner plate therebetween; is projections on its top surfaces undersurface so that flows are blocked by as enlarge effective area for transfer element.