Convertible welding generator

Claim 1

IN A SEPARATELY EXCITED DIRECT CURRENT DIFFERENTIALCOMPOUND GENERATOR HAVING FOUR FLUX-PRODUCING PRIMARY POLES AND FOUR FLUX-PRODUCING INTERPOLES, SAID PRIMARY POLES AND INTERPOLES BEING POSITIONED ALTERNATELY ABOUT THE GENERATOR ARMATURE, SAID FOUR PRIMARY POLES BEING OF LIKE POLARITY, TWO OF SAID PRIMARY POLES BEING SEPARATELYEXCITED THROUGH SHUNT WINDINGS AND THE REMAINING TWO OF SAID PRIMARY POLES HAVING WINDINGS CONNECTED IN SERIES BETWEEN ONE TERMINAL OF AN EXTERNAL LOAD AND A FIRST GENERATOR BRUSH HAVING A GIVEN ELECTRICAL POTENTIAL, EACH OF SAID INTERPOLES HAVING WINDINGS CONNECTED IN SERIES BETWEEN A SECOND TERMINAL OF THE EXTERNAL LOAD AND A SECOND GENERATOR BRUSH HAVING A POTENTIAL OPPOSITE TO SAID FIRST GENERATOR BRUSH, A CAPACITOR BEING PLACED ACROSS THE TERMINALS OF SAID EXTERNAL LOAD, SAID FIRST AND SECOND GENERATOR BRUSHES BEING REVOLVABLY DISPOSED ABOUT SAID ARMATURE, A DOUBLE-THROW KNIFE SWITCH BEING TIED INTO THE GENERATOR CIRCUIT BETWEEN THE EXTERNAL LOAD AND THE INTERPOLES SERIES WINDINGS, BETWEEN THE INTERPOLES SERIES WINDINGS AND THE SECOND GENERATOR BRUSH, BETWEEN THE FIRST GENERATOR BRUSH AND SAID TWO PRIMARY POLES SERIES WINDINGS AND THE EXTERNAL SAID TWO PRIMARY POLES SERIES WINDINGS AND THE EXTERNAL LOAD, WHEREBY WHEN THE DOUBLE-THROW KNIFE SWITCH IS CHANGED FROM THE ONE CLOSED POSITION TO THE OTHER, THERE IS A REVERSAL IN CURRENT IN ALL SAID SERIES WINDINGS WHEREBY THE TWO PRIMARY SERIES WOUND PRIMARY POLES BECOME OF REVERSE POLARITY TO THE TWO SHUNT WOUND PRIMARY POLES, AND WHEREBY THE RESPECTIVE INTERPOLES REVERSE THEIR POLARITY, THEREBY RESULTING IN A CUMULATIVE-COMPOUND GENERATOR HAVING A CONSTANT POTENTIAL AND HIGH AMPERAGE DIRECT CURRENT OUTPUT THAT IS OPERABLE FOR AUTOMATIC CONTINUOUSLY-FED WELDING PROCESSES.