Air conditioner damper control

Claim 1

IN A HEATING-COOLING AIR CONDITIONER HAVING A HEAT EXCHANGE COIL, A BYPASS AROUND SAID COIL, AND A DAMPER OPERATED BY PRESSURE DEVELOPED WITHIN A BLEEDABLE AIR LINE FOR APPORTIONING FLOW THROUGH THE HEAT EXCHANGE COIL AND BYPASS, THE IMPROVEMENT COMPRISING A SINGLE UNITARY CONTROL DEVICE FOR DELIVERING A CONTROLLED FLOW OF HIGH PRESSURE AIR THROUGHT THE BLEEDABLE AIR LINE TO OPERATE THE DAMPER; SAID UNITARY CONTROL DEVICE COMPRISING A VALVE ELEMENT AND CONNECTED TEMPERATURE RESPONSIVE POWER MECHANISM OPERATED BY ROOM TEMPERATURE RESPONSIVE POWER AND CLOSE THE BLEED IN THE AIR LINE, AND AN ADJUSTABLE VALVE SEAT AND TEMPERATURE RESPONSIVE POWER MEANS RESPONDING TO THE TEMPERATURE OF THE FLUID IN THE HEAT EXCHANGE COIL FOR MODIFYING THE ACTION OF THE TEMPERATURE RESPONSIVE POWER MECHANISM SO THAT DURING ONE SEASON AN INCREASING ROOM TEMPERATURE IS EFFECTIVE TO MOVE THE DAMPER TOWARD A POSITION OPENING THE BYPASS AND DURING THE OTHER SEASON AN INCREASING ROOM TEMPERATURE IS EFFECTIVE TO MOVE THE DAMPER TOWARD A POSITION CLOSING IS BYPASS; SAID VALVE ELEMENT COMPRISING A MOVABLE STEAM HAVING TWO FACING SHOULDERS CONSTITUTING VALVE ELEMENT SURFACES, AND SAID VALVE SEAT COMPRISING AN ANNULAR DISC LOCATED BETWEEN THE TWO FACING SHOULDERS AND MOVABLE BY TEMPERATURE CHANGE IN THE COIL FLUID SO THAT ONE FACE OF THE DISC COOPERATES WITH ONE VALVE ELEMENT SURFACE TO OPEN ANUD CLOSE THE AIR LINE DURING THE HEATING SEASON, AND THE OTHER FACE OF THE DISC COOPERATES WITH THE OTHER VALVE ELEMENT SURFACE TO OPEN AND CLOSE THE AIR LINE DURING THE COOLING SEASON.