Energy retrieval system

Claim 1

ENERGY CONVERSION APPARATUS COMPRISING: CLOSED FLUID FLOW CIRCUITRY HAVING A FLUID LOAD AND DISTRIBUTION SYSTEM, A RECEPTACLE FOR SUPPLYING SAID SYSTEM WITH FLUID AT AN ELEVATED TEMPERATURE, AND A NUMBER OF HEAT TRANSFER UNITS DISPOSED FOR HEATING THE FLUID BEFORE IT ENTERS THE RECEPTACLE; A TURBINE-GENERATOR ASSEMBLY FOR EACH HEAT TRANSFER UNIT RESPECTIVELY, EACH ASSEMBLY HAVING A FLUID OUTLET FOR THE EXHAUST OF HEATED GASES THEREFROM AND AN ELECTRICAL POWER OUTPUT; AN ELECTRICAL LOAD AND DISTRIBUTION CIRCUIT COUPLED WITH THE POWER OUTPUTS OF SAID ASSEMBLIES; MEANS DEFINING A FLUID PASSAGE BETWEEN THE FLUID OUTLET OF EACH ASSEMBLY AND ITS CORRESPONDING HEAT TRANSFER UNIT, WHEREBY HEATED GASES FROM THE ASSEMBLY MAY BE DIRECTED INTO HEAT EXCHANGE RELATIONSHIP WITH ITS HEAT TRANSFER UNIT TO THEREBY HEAT THE FLUID FLOWING THERETHROUGH; AND ELECTRICAL HEATING MEANS COUPLED WITH SAID ELECTRICAL CIRCUIT AND DISPOSED WITHIN SAID RECEPTACLE IN HEAT EXCHANGE RELATIONSHIP TO THE FLUID THEREWITHIN FOR HEATING SAID FLUID IN RESPONSE TO A PREDETERMINED CONDITION OF THE FLUID AS TO FLOWS TO SAID STRUCTURE FROM SAID RECEPTACLE.