Process and devices of heat exchange and nuclear reactor embodying same

Claim 1

IN A PROCESS FOR HEAT EXCHANGE THROUGH CONVECTION BETWEEN A FLUID AND AT LEAST ONE EXCHANGE WALL PARALLEL TO GIVEN LINE BY RENEWING SAID FLUID WHEN IT COMES IN CONTACT WITH SAID WALLS, THE STEPS OF DIRECTING FLOW STREAMS OF SAID FLUID NORMALLY TO SAID WALL SUBSTANTIALLY TOWARD LINES OF SAID WALL BELONGING TO A FIRST GROUP OF LINES PARALLEL TO SAID GIVEN LINE AND SUBSTANTIALLY EQUIDISTANT AND REMOVING SAID FLUID NORMALLY FROM SAID WALL SUBSTANTIALLY AWAY FROM LINES OF SAID WALL BELONGING TO A SECOND GROUP OF LINES PARALLEL TO SAID GIVEN LINE AND LOCATED ON THE SURFACE OF SAID WALL MIDWAY BETWEEN THE LINES OF THE FIRST GROUP, A PART OF SAID FLUID REMOVED ADJACENT A WALL FROM ANY LINE OF THE SECOND GROUP BEING HELICALLY DEFLECTED AND RETURNED TO SAI WALL, FOR CONSTITUTING A PART OF THE FLUID DIRECTED TOWARD AT LEAST ONE LINE OF THE FIRST GROUP ADJACENT SAID LINE OF THE SECOND GROUP OF LINES, A PART OF SAID FLUID WHICH IS DIRECTED INTO THE VICINITY OF SAID WALL TOWARDS SAID LINE OF HTE FIRST GROUP OF LINES AND DEFLECTED ALONG SAID WALL TOWARDS SAID LINE OF THE SECOND GROUP OF LINES COMPRISING A PART OF SAID FLUID REMOVED FROM SAID LINE OF THE SECOND GROUP OF LINES, WHEREBY THE FLUID FLOW IS SPLIT INTO SAPARATE VEINS EACH BORDERED BY PARTS OF SAID WALL AND PARTS OF THE PERIPHERY OF AN ADJACENT VEIN HAVING AN OPPOSITE DIRECTION OF ROTATION.