Transformer apparatus

Claim 1

A TRANSFORMER SYSTEM FOR SUPPLYING POWER TO A LOAD FROM A CONSTANT VOLTAGE A.C. INPUT COMPRISING A CORE OF A SINGLE TYPE OF FERROMAGNETIC MATERIAL HAVING TWO OUTER LEGS AND A CENTER LEG, SAID LEGS BEING OF SUCH CONFIGURATION AND SO ALIGNED WITH EACH OTHER THAT SUBSTANTIALLY CLOSED HIGH PERMEABILITY PATHS ARE FORMED BETWEEN THE OUTER LEGS AND THE CENTER LEG, SAID CENTER LEG BEING SEPARATED BY NON-MAGNETIC MATERIAL INTO TWO PARALLEL PORTIONS ALSO PARALLEL TO SAID PORTIONS OF THE OUTER LEGS, SO THAT THE RELUCTANCE OF THE PATH BETWEEN SAID PARALLEL PORTIONS OF THE CENTER LEG IS EXTREMELY HIGH IN COMPARISON WITH THE RELUCTANCE OF SAID SUBSTANTIALLY CLOSED PATHS; AT LEAST THREE COILS WOUND ON SAID CORE, A FIRST AND A SECOND OF SAID COILS BEING WHOLLY WOUND ON DIFFERENT ONES OF SAID OUTER LEGS AND CONNECTED IN SERIES, THE THIRD COIL BEING WOUND WITH EACH TURN SURROUNDING BOTH OF AND ONLY SAID PARALLEL PORTIONS OF THE CENTER LEG; AN INPUT, AN OUTPUT, AND A CONTROL ELECTRICAL CIRCUIT, ALL PASSING CURRENT, THE INPUT CIRCUIT INCLUDING ONE OF (A) SAID THIRD COIL AND (B) THE SERIES COMBINATION OF SAID FIRST AND SECOND COILS, THE INPUT CIRCUIT BEING CONNECTED ACROSS SAID CONSTANT VOLTAGE A.C. INPUT, THE OUTPUT CIRCUIT INCLUDING THE OTHER ONE OF (A) SAID THIRD COIL AND (B) THE SERIES COMBINATION OF SAID FIRST AND SECOND COILS, THE OUTPUT CIRCUIT BEING CONNECTED ACROSS SAID LOAD; SAID