Air-conditioning installations

Claim 1

AN AIR-CONDITIONING INSTALLATION, COMPRISING AN INLET PASSAGE FOR OUTSIDE AIR, A COOLING DEVICE THROUGH WHICH THE OUTSIDE AIR PASSES, REGULATING MEANS CONTROLLING THE INFLOW OF COOLED OUTSIDE AIR, A MIXING CHAMBER RECEIVING THE COOLED OUTSIDE AIR THROUGH THE OUTSIDE AIR INFLOW REGULATING MEANS, TWO REGULATING VALVES CONTROLLING THE INFLOW OF INSIDE AIR INTO THE MIXING CHAMBER, AN INSIDE AIR TRANSIT CHAMBER CONNECTED TO THE MIXING CHAMBER THROUGH SAID TWO REGULATING VALVES, AN AIR HEATER WITHIN THE TRANSIT CHAMBER CONNECTED TO ONE OF SAID TWO REGULATING VALVES, AN INSIDE AIR INLET PASSAGE CONNECTING THE ROOM TO BE CONDITIONED WITH THE TRANSIT CHAMBER, A WHIRLING DEVICE CONNECTED TO THE MIXING CHAMBER THROUGH WHICH THE AIR PASSES, A PLURALITY OF VANES MOUNTED ON THE WHIRLING DEVICE AND IMPARTING A WHIRLING MOTION TO THE AIR, A CENTRIFUGAL VENTILATOR CONNECTED TO THE WHIRLING DEVICE WHICH SUCKS IN THE AIR AND IMPARTS A VELOCITY THERETO, A BLADE WHEEL ROTATING IN A DIRECTION CORRESPONDING WITH THE WHIRLING AIR AND PROVIDED WITH A PLURALITY OF SHORT BLADES, WATER SPRAYING MEANS IN THE INLET SPACE OF THE BLADE WHEEL, A WATER SUPPLY FEEDING THE WATER SPRAYING MEANS, TWO DISCS EACH PLACED AT RIGHT ANGLES TO THE AXIS OF ROTATION AT ONE SIDE OF THE BLADE WHEEL, SAID DISCS HAVING A GREATER DIAMETER THAN THE OUTSIDE DIAMETER OF THE BLADES AND PROVIDED WITH A SHARP OUTSIDE EDGE, A PLURALITY