High flux beam reactor

Claim 1

A HEAVY WATER MODERATED NEUTRONIC REACTOR FOR PRODUCING EXTERNAL BEAMS OF HIGH FLUX THERMAL NEUTRONS COMPRISING A VESSEL FOR CONTAINING HEAVY WATER, REMOVABLE INTERNALS SUBMERGED IN SAID WATER HAVING A CORE OF HIGHLY ENRICHED URANIUM FUEL ELEMENTS, INLET MEANS IN SADI VESSEL ABOVE SAID INTERNALS FOR SUPPLYING SAID HEAVY WATER, OUTLET MEANS IN SAID VESSEL BELOW THE TOP OF SAID INTERNALS FOR WITHDRAING SAID HEAVY WATER, MEANS WITHIN AND ATTACHED TO SAID VESSEL FOR SUPPORTING SAID INTERNALS AND SEPARATING INCOMING FROM OUTGOING HEAVY WATER, SAID MEANS INCLUDING PASSAGEWAYS FOR PASSING WATER FROM SAID INLET MEANS DOWN THROUGH SAID CORE TO FILL SAID VESSEL AND PASS OUT THROUGH SAID OUTLET MEANS, SAID PASSAGEWAYS CARRYING HEAVY WATER THROUGH AND AROUND SAID FUEL ELEMENTS IN AMOUNTS RESULTING IN THE UNDER-MODRATION OF SAID CORE, SAID PRESSURE VESSEL ENCLOSING A REFLECTOR CONSISTING OF A VOLUME FILLED BY FLOWING HEAVY WATER SURROUNDING SAID CORE TO FULLY MODERATE SAID CORE AND ESTABLISH MAXIMUM THERMAL FLUX OUTSIDE OF SAID CORE, A PLURALITY OF CONTROL RODS EXTENDING ALONG THE OUTER SURFACE OF SAID INTERNALS FOR MOVEMENT ALONG SAID OUTER SURFACE TOWARD AND AWAY FROM THE CORE OF SAID INTERNALS FOR EXERCISING NUCLEAR CONTROL OVER SAID REACTOR, AND MEANS FOR EXTRACTING FROM SAID REACTOR BEAMS OF THERMAL NEUTRONS.