Plate for holding section in a plate heat exchanger

Claim 1

A PLATE-TYPE HEAT EXCHANGER FOR HEAT EXCHANGE BETWEEN A FLUID TO BE TREATED AND A HEATING FLUID COMPRISING A HEATER SECTION, HOLDING SECTION AN REGENERATIVE SECTION DISPOSED IN END-TO END RELATION; EACH SECTION COMPRISING A PLURALITY OF PLATES PROVIDED WITH PORTS, SAID PLATES BEING ARRANGED IN FACE-TO-FACE SPACED RELATION WITH CERTAIN OF SAID PORTS IN ADJACENT PLATES IN SAID HEATER SECTION BEING ALIGNED WITH EACH OTHER TO PROVIDE PASSAGES FOR SAID HEATING FLUID AND SAID FLUID TO BE TREATED AND CERTAIN OF SAID PORTS IN ADJACENT PLATES IN SAID HOLDING SECTION AND SAID REGENERATIVE SECTION BEING ALIGNED WITH EACH OTHER TO PROVIDE PASSAGES FOR SAID FLUID TO BE TREATED, GASKET MEMBERS PERIPHERALLY SEALING ADJACENT PLATES TO DEFINE PASSAGES BETWEEN ADJACENT PAIRS OF PLATES IN SASID HEATER SECITON, SAID HOLDING SECTION AND SAID REGENERATIVE SECTION; SAID PASSAGES IN SAID HEATER SECTION AS DEFINED BY SAID GASKETS ALTERNATELY ARRANGED TO COMMUNICATE WITH THE PASSAGES AS DEFINED BY THE PORTS IN SAID HEATER PLATES TO PROVIDE INDIVIDUAL PASSAGES FROM ONE END OF THE PLATES TO THE OTHER END THEREOF FOR THE HEATING FLUID AND THE FLUID TO BE TREATED, THE PASSAGES OF SAID HEATING SECTION ADJACENT SAID HOLDING SECTION AS DEFINED BY SAID GASKET MEMBERS BEING PROVIDED FOR SAID HEATING FLUID; SAID PASSAGES IN SAID HOLDING SECTION AS DEFINED BY SAID GASKETS ARRANGED TO COMMUNICATE WITH THE PASSAGES AS DEFINED BY THE PORTS IN SAID HOLDING PLATES TO PROVIDE INDIVIDUAL PASSAGES FROM ONE END PORTION OF THE PLATES TO THE OTHER END PORTION THEREOF FOR SAID FLUID TO BE TREATED EGRESSING FROM SAID HEATER SECTION; SAID PASSAGES IN SAID REGENREATIVE SECTION AS DEFINED BY SAID GASKETS ALTERNATELY ARRANGED TO COMMUNICATE WITH THE PASSAGES AS DEFINED BY THE PORTS IN SAID REGENERATIVE PLATES TO PROVIDE INDIVIDUAL PASSAGES FROM ONE END OF THE PLATES TO THE OTHER END THEREOF FOR SAID FLUID TO BE TREATED PASSING TOWARD SAID HEATER SECTION AND FOR SAID FLUID TO BE TREATED EGRESSING FROM SAID HOLDING SECTION; SAID PLATES, PORTS AND GASKETS MEMBERS TOGETHER DEFINING TWO SEPARATE CONTINUOUS PASSAGEWAYS IN SAID HEAT EXCHANGER, SAID CONTINUOUS FLUID PASSAGEWAYS INCLUDING A PASSAGEWAY THROUGH THE PASSAGES IN SAID HEAT EXCHANGER FOR SAID HEATING FLUID AND A FURTHER PASSAGEWAY THROUGH THE PASSAGES IN SAI DREGENREATIVE SECTION, SAID HOLDING SECTION SAND SAID HEATING SECTION FOR THE FLUID TO BE TREATED; SAID FURTHER PASSAGEWAY HAVING AN INLET PORT AND AN OUTLET PORT IN THE LAST PLATE OF SAID REGENREATIVE SECTION REMOTE FROM SAID HOLDING SECTION AND LEADING FROM THE INLET PORT THROUGH THE REGENERATIVE SECTION, THE HOLDING SECTION, THE HEATING SECTION AND THEN BACK THROUGH THE HOLDING SECTION AND THE REGENREATIVE SECTION TO THE OUTLET PORT; THE CONTINUOUS PASSAGEWAY IN THE HEATING SECTION HAVING AN INLET AND OUTLET PORT IN ONE OF THE PLATES OF THE HEAT EXCHANGER FOR THE HEATING FLUID.