ventilation system for stables, in particular schweinestallbel u00fcftungsanlage,complete at least a bet u00e4tigungsmittel (2) between a closed and at least one movable offenstellung l u00fcftungselemente (5), in particular windows and / or l u00fcftungsklappen,a drive (3) for the bet u00e4tigungsmittel (2) and a druckluftspeicher (15), in an emergency, energy can be provided with a control system.on the drive (3) in the event of an emergency, can be charged with energy and with at least one control (27, 37)what emergency to establish a link between druckluftspeicher (15) and a drive (3) switches, and the control (27)37) and the druckluftspeicher (15) for normal operation is provided, characterizedthe drive (3) for the pneumatic exercise trained and a majority of mechanically in series connected, double acting cylinders in particular has different hubs.
