Magnetohydrodynamic generating duct

Claim 1

AN ELONGATED GENERATING DUCT FOR A MAGNETOHYDRODYNAMIC GENERATING SYSTEM, SAID DUCT COMPRISING SPACED ELONGATED ELECTRODE BEARING WALLS AND AT LEAST ONE ELONGATED WALL DISPOSED BETWEEN SAID ELECTRODE BEARING WALLS ALONG THE LENGTH THEREOF; SAID WALLS COOPERATIVELY ENCLOSING AT LEAST ONE ELONGATED CHANNEL FOR FLOW OF CONDUCTIVE FLUID THERETHROUGH, ELONGATED CURRENT BARRIER MEANS SUPPORTED ON SAID ONE WALL AND INCLUDING A PLURALITY OF ELONGATED MEMBERS SPACED FROM EACH OTHER AND DISPOSED IN A REFERENCE PLANE INCLUDING THE INTERELECTRODE DIRECTION AND THE DUCT LONGITUDINAL DIRECTION, SAID ELONGATED MEMBERS EXTENDING IN ONE OF SAID DIRECTIONS AND PROJECTING LATEALLY INWARDLY OF SAID ONE WALL INTO THE SPACE BETWEEN SAID ELECTRODE BEARING WALLS, AND THERMALLY INSULATIVE MEANS DISPOSED ADJACENT SAID ONE WALL FOR FORMING A MAJOR INNER REFRACTORY SURFACE ADJACENT THE ELONGATED CHANNEL AND CONDUCTIVE FLUID AND DIVIDED INTO A PLURALITY OF ELECTRICALLY SEPARATE LAYERS RESPECTIVELY SEPARATE BY SAID ELONGATED CURRENT BARRIER MEMBERS SO THAT CURRENT THERETHROUGH IS SUBSTANTIALLY IMPEDED AT ELEVATED OPERATING TEMPERATURES.