Heat exchanger

Claim 1

A PLATE TYPE HEAT EXCHANGER APPARATUS COMPRISING A PLURALITY OF ELONGATED METALLIC PLATES DISPOSED IN SUPERPOSED SPACED RELATIONSHIP DEFINING A PLURALITY OF ELONGATED PLAT-LIKE PASSAGES IN THE SPACES THEREBETWEEN; SAID PLURALITY OF PASSAGES INCLUDING A FIRST GROUP OF PASSAGES AND A SECOND GROUP OF PASSAGES, THE PASSAGED OF SAID FIRST GROUP BEING DISPOSED IN HEAT EXCHANGE RELATIONSHIP WITH THE PASSAGES OF SAID SECOND GROUP; SEALING MEANS SEALINGLY EXTENDING BETWEEN SAID PLATES ALONG THE PERIPHERY THEREOF DEFINING THE WIDTH AND LENGTH OF SAID PASSAGES; HEADER MEANS FOR CONDUCTING A FIRST HEAT EXCHANGE FLUID THROUGH SAID FIRST GROUP OF SAID PASSAGES FOR HEAT EXCHANGE WITH FLUID IN SAID SECOND GROUP OF SAID PASSAGES; EACH PASSAGE OF SAID SECOND GROUP OF PASSAGES INCLUDING AN INLET ADJACENT ONE END OF SAID HEAT EXCHANGER AND AN OUTLET ADJACENT THE OTHER END OF SAID HEAT EXCHANGER FOR INGRESS AND EGRESS OF HEAT EXCHANGE FLUID; A HEATER OVERLYING SAID INLETS FOR CONDUCTING A GASEOUS HEAT EXCHANGE FLUID THERETO; A SPARGE PIPE MOUNTED WITHIN SAID HEADER EXTERNALLY OF SAID INLETS; MEANS F OR SUPPLYING A GASEOUS HEAT EXCHANGE FLUID TO SAID HEADER AND A LIQUID HEAT EXCHANGE FLUID TO SAID SPARGE PIPE; A PLURALITY OF LIQUID FLUID OUTLETS SPACED LONGITUDINALLY ALONG SAID SPARGE PIPE EACH IN ALIGNMENT WITH ONE OF SAID INLETS FOR DIRECTING A LIQUID HEAT EXCHANGE FLUID UNIFORMLY INTO SAID INLETS; AND DISTRIBUTOR MEANS WITHIN EACH OF SAID PASSAGES OF SAID SECOND GROUP ADJACENT THE INLET THEREOF FOR SUBSTANTIALLY UNIFORMLY DISTRIBUTING ACROSS THE WIDTH OF EACH PASSAGE BOTH GASEOUS AND LIQUID HEAT EXCHANGE FLUIDS SIMULTANEOUSLY INTRODUCED INTO SAID INLETS FROM SAID HEADER AND SAID SPARGE PIPE RESPECTIVELY.