Heterogeneous nuclear reactor liquid moderated and cooled

Claim 1

IN A LIQUID MODERATID AND COOLED HETEROGENEOUS NUCLEAR REACTOR, THE COMBINATION COMPRISING: (A) A TANK; (B) A HEAT INSULATING SHIELD IN SAID TANK DIVIDING THE SAID TANK INTO AN UPPER HEAVY WATER COMPARTMENT AND A LOWER COLLECTOR COMPARTMENT FOR A HEAT CARRY ING FLUID; (C) A HOLLOW COMPLETELY CLOSED HEAT INSULATED COLLECTOR MOUNTED IN SAID COLLECTOR COMPARTMENT IN SPACED RELATIONSHIP THEREWITH; SAID COLLECTOR BEING PATIALLY FILLED WITH A HEAT CARRYING FLUID; (D) A PLURALITY OF REACTOR CHANNELS, VERTICALLY MOUNTED IN SAID TANK; EACH CHANNEL HAVING AN INNER POWER TUBE AND AN OUTER CALENDER TUBE COAXIAL WITH AND SPACED FROM THE POWER TUBE; BOTH SAID TUBES EXTENDING THROUGH SAID HEAT INSULATING SHIELD AND THE WALL OF SAID COLLECTOR AND HAVING THEIR ENDS IMMERSED IN SAID HEAT-CARRYING FLUID; (E) MEANS TO DELIVER GAS UNDER PRESSURE IN THE SPACE BETWEEN SAID TANK AND SAID COLLECTOR AND MAINTAIN THE PRESSURE IN SAID SPACE BETWEEN THAT OF THE HEATCARRYING FLUID AT THE OUTLET OF SAID TUBES AND THAT OF SAID FLUID IN THE COLLECTOR, AND (F) INLET AND OUTLET MEANS FOR SAID GAS ON SAID TUBES INTERCONNECTING THE SPACE BETWEEN THE TANK AND THE COLLECTOR AND THE SPACE ABOVE THE LIQUID IN THE COLLECTOR.