Induction heating coils
First Claim
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1. A FLAT COUPLING COIL SUITABLE FOR INDUCING EDDY CURRENTS IN A FLAT SURFACE SUCH AS THE METAL BOTTOM OF A POT TO HEAT IT, IN WHICH THE COIL IS WOUND WITH CONDUCTORS SO THAT IN ANY SECTION THROUGH THE AXIS OF THE COIL THE CONDUCTORS ARE ARRANGED AT DIFFERNET DISTANCE FROM THE SURFACE BEING HEATED, AND INCLUDING A NUMBER OF SEPARATE CURRENT PATH ELECTRICALLY CONNECTED IN PARALLEL, EACH PATH HAVING PARTS OF ITS LENGTH NEAREST TO THE SURFACE BEING HEATED AND PARTS FARTHER FROM IT, AND SAID COIL COMPRISING A PLURALITY OF AXIALLY SUPERPOSED LAYERS EACH LAYER INCLUDING A PLURALITY OF CONDUCTOR SECTIONS ONE WITHIN THE OTHER AND EACH CURRENT PATH INCLUDING A SECTION OF EACH LAYER.
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1 Claim
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1. A FLAT COUPLING COIL SUITABLE FOR INDUCING EDDY CURRENTS IN A FLAT SURFACE SUCH AS THE METAL BOTTOM OF A POT TO HEAT IT, IN WHICH THE COIL IS WOUND WITH CONDUCTORS SO THAT IN ANY SECTION THROUGH THE AXIS OF THE COIL THE CONDUCTORS ARE ARRANGED AT DIFFERNET DISTANCE FROM THE SURFACE BEING HEATED, AND INCLUDING A NUMBER OF SEPARATE CURRENT PATH ELECTRICALLY CONNECTED IN PARALLEL, EACH PATH HAVING PARTS OF ITS LENGTH NEAREST TO THE SURFACE BEING HEATED AND PARTS FARTHER FROM IT, AND SAID COIL COMPRISING A PLURALITY OF AXIALLY SUPERPOSED LAYERS EACH LAYER INCLUDING A PLURALITY OF CONDUCTOR SECTIONS ONE WITHIN THE OTHER AND EACH CURRENT PATH INCLUDING A SECTION OF EACH LAYER.
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Current AssigneeJohn Merrett
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Original AssigneeJohn Merrett
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InventorsMerrett, John
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Application NumberUS04/294,470Time in Patent Office1,068 DaysField of SearchUS Class Current219/675CPC Class CodesH01F 5/00 Coils superconducting coils...H05B 6/1272 with more than one coil or ...Y02B 40/00 Technologies aiming at impr...
