Means for mounting pressure power tubes in a nuclear reactor

Claim 1

IN A NUCLEAR POWER REACTOR HAVING A PILE BODY DEFINING A REACTION TANK WITH A TOP WALL AND A BOTTOM WALL, AT LEAST ONE PRESSURE TUBE PROJECTING THROUGH SAID WALLS, A MOUNTING COMBINATION FOR SAID PRESSURE TUBE ON SAID TANK COMPRISING: (A) AN UPPER CONNECTOR FORMED OF AN UPPER SLEEVE SECURED TO THE TOP WALL OF SAID TANK AND SURROUNDING THE UPPER END OF THE PRESSURE TUBE IN SPACED RELATION; MEANS SECURING THE UPPER END OF THE PRESSURE TUBE TO SAID SLEEVE IN FLUID-TIGHT ENGAGEMENT; AN UPWARD EXTENSION ON SAID SLEEVE BEYOND THE OPEN UPPER END OF SAID PRESSURE TUBE; A FUEL ASSEMBLY; SAID EXTENSION HAVING AN ORIFICE SHAPED TO RECEIVE SAID FUEL ASSEMBLY; MEANS SECURING SAID ASSEMBLY ON SAID EXTENSION TO BE SUSPENDED THEREFROM WHEREBY SAID ASSEMBLY IS LOADED INTO SAID PRESSURE TUBE; MEANS FOR CIRCULATING COOLANT FLUID BETWEEN SAID SLEEVE AND SAID PRESSURE TUBE; MEANS THROUGH SAID SLEEVE FOR THE PASSAGE OF COOLANT FLUID BETWEEN SAID PRESSURE TUBE AND FUEL ELELMENT THEREIN;