Recirculating system having partial bypass around the center wall

Claim 1

A FORCED FLOW ONECE THROUGH SUPERCRITICAL VAPOR GENERATOR HAVING A VARIABLE VAPOR DEMAND RATE AND A THROUGH FLOW LINE INCLUDING SEPARATE SECTIKONS CONNECTED IN SERIES FOR SERIES THROUGH FLOW AND REQUIRING A MINIMUM SAFE VELOCITY OF WORKING FLUID THERETHROUGH, ONE SECITON HAVING A SMALLER FLOW AREA AND A HIGHER THROUGH FLOW FLUID VELOCITY THAN THE OTHER, MEANS CONNECTED WITH THE INLET OF SAID SECTIONS SUPPLYING THROUGH FLOW FLUID AT SUPERCRITICAL PRESSURE TO SAID INLET, A PUMP CONNECTED ACROSS BOTH SECTIONS AND RECIRCULATING WORKING FLUID THROUGH BOTH SECTIONS AND HAVING AN INLET AND AN OUTLET CONNECTED WITH SAID THROUGH-FLOW LINE AND COMBINING SAID RECIRCULATING FLUID WITH SAID THROUGH FLOW FLUID AND MEANS INCLUDING SAID PUMP RESPONSIVE TO PRESSURE DIFFERENCES BETWEEN THE OUTLET OF THE SECOND SECTION AND THE ENTRANCE TO EACH SECTION DECREASING RECIRCULATING FLUID THROUGH EACH SECTION WITH INCREASE IN THROUGH FLOW, AND MEANS DIRECTING A PORTION OF SAID RECIRCULATING FLUID THROUGH SAID SECOND SECTION ONLY AND BYPASSING SAID ONE SECTION TO RESTRICT THE VELOCITY OF COMBINED FLUID THROUGH AND THE PRESSURE DROP ACROSS SAID ONE SECTION.