Inverter

Claim 1

AN APPARATUS FOR ENERGIZATION FROM A SOURCE OF D.C. ENERGY, A PAIR OF INPUT TERMINALS ADAPTED TO BE ENERGIZED FROM SAID SOURCE, A SECOND PAIR OF TERMINALS, A PLURALITY OF SEMICONDUCTOR CONTROL ELEMENTS OF THE CONTINUOUS CONTROL TYPE, EACH SAID ELEMENT HAVING A MAIN CURRENT PATH AND A CONTROL CIRCUIT, A FIRST PATH CONNECTING SAID INPUT TERMINALS TO SAID SECOND TERMINALS FOR ENERGIZATION OF SAID SECOND TERMINALS IN A FIRST POLARITY AND INCLUDING SAID MAIN CURRENT PATH OF A FIRST OF SAID CONTROL ELEMENTS, A SECOND PATH CONNECTING SAID INPUT TERMINALS TO SAID SECOND TERMINALS FOR ENERGIZATION OF SAID SECOND TERMINALS IN A POLARITY OPPOSITE TO SAID FIRST POLARITY AND INCLUDING SAID MAIN CURRENT PATH OF A SECOND OF SAID CONTROL ELEMENTS, FIRST AND SECOND RECTIFIERS, FIRST AND SECOND CAPACITORS, FIRST AND SECOND IMPEDANCE ELEMENTS, MEANS SERIALLY CONNECTING TOGETHER SAID FIRST RECTIFIER AND SAID FIRST CAPACITOR AND CONNECTING SAID FIRST IMPEDANCE ELEMENT IN PARALLEL WITH SAID FIRST RECTIFIER TO PROVIDE A FIRST SHUNTING CIRCUIT, MEANS SERIALLY CONNECTING TOGETHER SAID SECOND RECTIFIER AND SAID SECOND CAPACITOR AND CONNECTING SAID SECOND IMPEDANCE ELEMENT IN PARALLEL WITH SAID SECOND RECTIFIER TO PROVIDE A SECOND SHUNTING CIRCUIT, MEANS CONNECTING SAID FIRST SHUNTING CIRCUIT IN PARALLEL WITH SAID MAIN PATH OF SAID FIRST CONTROL ELEMENT AND SAID SECOND SHUNTING CIRCUIT IN PARALLEL WITH SAID MAIN PATH OF SAID SECOND CONTROL ELEMENT, THIRD AND FOURTH RECTIFIERS, MEANS CONNECTING SAID THIRD RECTIFIER IN SAID FIRST PATH IN ANTIPARALLEL WITH SAID MAIN PATH OF SAID FIRST CONTROL ELEMENT, MEANS CONNECTING SAID FOURTH RECTIFIER IN SAID SECOND PATH IN ANTI-PARALLEL WITH SAID MAIN PATH OF SAID SECOND CONTROL ELEMENT, CONTROL MEANS CONNECTED TO SAID CONTROL CIRCUITS TO ALTERNATTELY RENDER SAID MAIN CIRCUIT OF ONE OF SAID CONTROL ELEMENTS CONDUCTIVE AND NON-CONDUCTIVE AND SAID MAIN CIRCUIT OF THE OTHER OF SAID CONTROL ELEMENTS NON-CONDUCTIVE AND CONDUCTIVE, FIRST AND SECOND SATURABLE REACTORS EACH HAVING A CONTROL WINDING AND A POWER WINDING, AN INDUCTOR, A RESISTIVE LOAD, MEANS CONNECTING SAID POWER WINDINGS AND SAID LOAD IN SERIES ACROSS SAID SECOND TERMINALS, AND MEANS CONNECTING SAID INDUCTOR AND SAID CONTROL WINDINGS IN SERIES CIRCUIT BETWEEN A PAIR OF CONTROL TERMINALS ADAPTED TO BE ENERGIZED FROM A SOURCE OF D.C. POTENTIAL.