EDGE CURRENT RETARDER FOR EMERGENCY ESCAPE, FOR EXAMPLE OF THE HIGHEST FLOORS OF A BUILDING

摘要

P EDGE CURRENT RETARDER FOR EMERGENCY EXHAUST, CHARACTERIZED IN THAT A UNWINDING ROLLER 12 IS MOUNTED ON A CHASSIS 10 TO UNWIND AN ELONGATED FLEXIBLE ELEMENT 14, IN THAT THE ROTATION OF ROLLER 12 IS TRANSMITTED TO A ROTOR 16 ELECTRICALLY CONDUCTIVE ROTARY MOUNTING ON THE CHASSIS 10, BY MEANS OF DEMULTIPLICATORS 20 WHICH MAKE THE ROTOR ROTATE AT AN INCREASED SPEED IN RESPONSE TO THE ROTATION OF THE ROLLER UNWINDER, AND IN THAT PERMANENT MAGNETS 22 ARE MOUNTED ON THE CHASS IMMEDIATE NEIGHBORHOOD OF ROTOR 16 TO INDUCE EDDY CURRENTS IN THE LATEST WHEN IT TURNS, SO THAT THE ENERGY OF THE ROLLER ROLLER 12 THAT TURNS IS CONVERTED INTO HEAT BY THE EDWARD CURRENTS. /P