Fluid pressurizer

Claim 1

IN COMBINATION WITH A PRESSURIZED CLOSED LIQUID SYSTEM, A PRESSURIZER COMPRISING WALLS FORMING A VERTICALLY ELONGATED CYLINDRICAL PRESSURE VESSEL WITH A CIRCUMFERENTIAL WALL OF UNIFORM THICKNESS, A COMBINED SURGE INLET AND OUTLET LINE TERMINATING IN THE LOWERMOST PORTION OF SAID VESSEL AND COMMUNICATING WITH SAID PRESSURIZED LIQUID SYSTEM, SAID PRESSURE VESSEL CONTAINING A PORTION OF SAID LIQUID IN SAID SYSTEM, SAID LIQUID IN SAID PRESSURE VESSEL BEING VAPORIZABLE AND HAVING A LIQUID LEVEL SEPARATING A LOWER LIQUID SPACE FROM AN UPPER VAPOR SPACE, A SPRAY NOZZLE IN SAID UPPER VAPOR SPACE, MEANS FOR VARIABLY SUPPLYING LIQUID FROM SAID SYSTEM TO SAID NOZZLE TO CONDENSE SAID VAPOR IN SAID PRESSURE VESSEL, A PLURALITY OF CIRCULAR OPENINGS IN THE CIRCUMFERENTIAL WALL OF SAID VESSEL BELOW SAID LIQUID LEVEL, A CIRCULAR METAL DIAPHRAGM REMOVABLY ENGAGING SAID PRESSURE VESSEL ONE AT EACH OF SAID OPENINGS TO CLOSE AND SEAL SAID OPENINGS, A PLURALITY OF HEATER BUNDLES REMOVABLY SUPPORTED IN SAID LIQUID SPACE, EACH OF SAID HEATER BUNDLES COMPRISING A PLURALITY OF ELECTRIC HEATERS EACH COMPRISING AN INTEGRAL SHEATH AND ELECTRIC HEATING MEANS DISPOSED THEREWITHIN AND HELICALLY COILED AROUND A COMMON IMAGINARY AXIS AND INTEGRALLY ATTACHED THROUGH SAID DIAPHRAGMS AND SUPPORTED THEREBY THROUGH EACH OF SAID CIRCULAR OPENINGS AND IMMERSED DIRECTLY IN SAID VAPORIZABLE LIQUID, MEANS FOR SEPARATELY SEALING THE ENDS OF EACH OF SAID SHEATHS TO THE INNER SIDE OF SAID DIAPHRAGM, AND A PLURALITY OF PRESSURE RETAINING FLANGES REMOVABLY ENGAGING SAID DIAPHRAGMS AND REMOVABLY ATTACHED TO SAID PRESSURE VESSEL WALL TO MAINTAIN SAID DIAPHRAGMS IN SEALING ENGAGEMENT AT SAID OPENINGS, THE AXIS OF SAID HEATER BUNDLES LYING ALONG HORIZONTAL CHORDS OF SAID PRESSURE VESSEL AND IN A PLURALITY OF HORIZONTAL PLANES.