Thermoelectric generator

Claim 1

IN A THERMOELECTRIC GENERATOR COMPRISING A FIRST ARM OF P-TYPE THERMOELECTRIC MATERIAL, A SECOND ARM OF N-TYPE THERMOELECTRIC MATERIAL, A HOT JUNCTION CONDUCTOR COUPLING ONE END OF EACH OF SAID ARMS TOGETHER, AN ELECTRIC TERMINAL AT THE OPPOSITE END OF EACH OF SAID ARMS, TWO FLUID FLOW PASSAGES EXTENDING THROUGH EACH OF SAID ARMS OF THERMOELECTRIC MATERIAL, FIRST MEANS FOR COUPLING ONE END OF EACH OF SAID FLUID FLOW PASSAGES IN COMMUNICATION WITH EACH OTHER, FLUID HEATING MEANS FOR HEATING FLUID FLOWING THROUGH SAID FIRST COUPLING MEANS, SECOND MEANS FOR COUPLING THE OTHER END OF EACH OF SAID LUID FLOW PASSAGES IN COMMUNICATIONS WITH EACH OTHER, FLUID COOLING MEANS FOR COOLING FLUID FLOWING THROUGH SAID SECOND COUPLING MEANS, SAID TWO PASSAGES BEING CLOSELY ADJACENT TO EACH OTHER THROUGHOUT THEIR LENGTHS, THE TERMINUS OF EACH OF SAID PASSAGES ADJACENT THE FIRST COUPLING MEANS DEFINING A HOT JUNCTION FOR SAID THERMOELECTRIC ENERATOR AND THE TERMINUS OF EACH OF SAID PASSAGES ADJACENT THE SECOND COUPLING MEANS DEFINING A COLD JUNCTION FOR SAID THERMOELECTRIC GENERATOR, AND MEANS FOR CIRCULATING FLUID FROM SAID FIRST COUPLING MEANS THROUGH ONE OF SAID PASSAGES TO SAID SECOND COUPLING MEANS AND FROM SAID SECOND COUPLING MEANS THROUGH THE OTHER OF SAID PASSAGES BACK TO SAID FIRST COUPLING MEANS, WHEREBY HEAT IS TRANSFERRED FROM FLUID FLOWING FROM SAID FIRST COUPLING MEANS TO SAID SECOND COUPLING MEANS THROUGH THE THERMOELECTRIC MATERIAL SEPARATING SAID PASSAGES TO FLUID FLOWING FROM SAID SECOND COUPLING MEANS TO SAID FIRST COUPLING MEANS.