Thermionic power supply

Claim 1

A THERMIONIC GENERATOR COMPRISING: (A) A SOURCE OF HOT GASES UNDER PRESSURE, (B) A THERMIONIC CONVERTER ATTACHED TO SAID SOURCE OF HOT GASES AND ADAPTED TO CONVERT THE HEAT ENERGY CONTAINED IN THE HOT GASES INTO ELECTRICAL ENERGY COMPRISING: (1) AN ANNULAR CHAMBER HAVING A PASSAGE THERETHROUGH COINCIDENT WITH THE AXIS OF THE CHAMBER, (2) MEANS CONNECTING THE PASSAGE OF SAID CHAMBER TO SAID SOURCE OF HOT GASES, (3) A FIRST ELECTRODE POSITIONED WITHIN AND ADJACENT THE INNER WALL OF SAID CHAMBER AND ADAPTED TO BE HEATED BY THE HOT GASES FLOWING THROUGH THE PASSAGE OF SAID CHAMBER, (4) A SECOND ELECTRODE POSITIONED WITHIN AND ADJACENT THE EXTERIOR WALL OF SAID CHAMBER, (5) MEANS FOR CONNECTING AN ELECTRIC LOAD BETWEEN SAID FIRST AND SAID SECOND ELECTRODES, (6) A RESERVOIR CONTAINING AN IONIZABLE GAS COMMUNICATING WITH SAID CHAMBER, (7) MEANS CONTAINING A FIRST MATERIAL SURROUNDING SAID RESERVOIR HAVING A MELTING POINT AND HEAT OF FUSION SO AS TO MAINTAIN THE RESERVOIR AT A DESIRED TEMPERATURE DURING THE PERIOD OF OPERATION OF SAID POWER SUPPLY, AND (8) MEANS CONTAINING A SECOND MATERIAL SURROUNDING THE EXTERIOR WALL OF SAID CHAMBER HAVING A MELTING POINT AND HEAT FUSION SO AS TO MAINTAIN SAID SECOND ELECTRODE AT A DESIRED TEMPERATURE DURING THE PERIOD OF OPERATION OF SAID POWER SUPPLY.