Merchant marine ship reactor

Claim 1

A NUCLEAR REACTOR COMPRISING A SEALED PRESSURE VESSEL, AN ACTIVE CORE OF A PLURALITY OF VERTICALLY EXTENDED FUEL ASSEMBLIES SPACED FROM AND PARALLEL TO EACH OTHER CONTAINING THERMAL-NUETRON-FISSIONABLE MATERIAL, EACH OF SAID ASSEMBLIES HAVING LONGITUDINAL PASSAGES THERETHROUGH FOR PERMITTING FLOW OF MODERATOR FLUID, FIRST AND SECOND BAFFLE ASSEMBLIES ARRANGED OPPOSITE THE TOP AND BOTTOM ENDS, RESPECTIVELY, OF SAID ACTIVE CORE, SAID FIRST BAFFLE ASSEMBLY INCLUDING MEANS FOR DIRECTING MODERATING FLUIDS INTO THE LONGITUDINAL PASSAGES OF THE OUTER PORTION OF SAID FUEL ASSEMBLIES FORMING A DOWNWARD SECOND PASS OF SAID FLUID THROUGH SAID REACTOR, SAID SECOND BAFFLE ASSEMBLY INCLUDING MEANS FOR DIRECTING EGRESSING MODERATING FLUID FROM SAID OUTER PORTION OF SAID FUEL ASSEMBLIES AND THE REMAINING INNER PORTION OF SAID FUEL ASSEMBLIES AND THE SPACES THEREBETWEEN FORMING AN UPWARD THIRD PASS OF SAID FLUID THROUGH SAID REACTOR, AN INLET TO SAID PRESSURE VESSEL ADJACENT SAID SECOND BAFFLE ASSEMBLY, MEANS FOR DIRECTING MODERATING FLUID ENTERING SAID PRESSURE VESSEL ALONG THE OUTSIDE OF SAID CORE INTO SAID PRESURE VESSEL ALONG THE AN UPWARD FIRST PASS OF SAID FLUID THROUGH SAID REACTOR, AN OUTLET FROM SAID PRESSURE VESSEL ADJACENT SAID FIRST BAFFLE ASSEMBLY FOR DIRECTING EGRESSING THIRD PASS MODERATING FLUID FLOW TO THE OUTSIDE OF SAID PRESSURE VESSEL, AND SUPPORTING MEANS CONNECTED TO THE INSIDE WALL OF SAID VESSEL FOR SUSPENDING SAID CORE FROM AN ANNULAR FLANGE ON SAID FIRST BAFFLE ASSEMBLY, SAID SUPPORTING MEANS ALSO SEPARATING SAID FIRST PASS FLUID FROM SAID THIRD PASS FLUID.