Temperature controlling fluid storage system

Claim 1

A WATER HEATING AND STORAGE DEVICE COMPRISING THE COMBINATION OF A SINGLE CONTAINER IN WHICH WATER IS TO BE HEATED AND STORED, A COLD WATER INLET ADJACENT THE BOTTOM OF SAID CONTAINER, A HEATED WATER OUTLET ADJACENT THE TOP OF SAID CONTAINER, A WATER HEATING DEVICE DISPOSED WITHIN THE LOWER PORTION OF SAID CONTAINER AND COMPRISING AN ELONGATE HOUSING OF GENERALLY TUBULAR FORM ARRANGED IN COMMUNICATION AT ONE END WITH SAID COLD WATER INLET AND HAVING A HEATED WATER DISCHARGE OPENING AT ITS OTHER END, A WATER HEATER DISPOSED WITHIN SAID HOUSING IN HEAT EXCHANGE RELATION WITH WATER THEREWITHIN, WATER PASSAGE BAFFLING MEANS DISPOSED WITHIN SAID HOUSING TO RETARD PASSAGE OF WATER THROUGH SAID HOUSING, A WATER TEMPERATURE SENSOR DISPOSED WITHIN THE UPPER PORTION OF SAID CONTAINER, A HEATER ENERGIZING CONTROL DEVICE CONNECTED TO SAID HEATING DEVICE FOR CONTROL OF THE LATTER, MEANS OPERATIVELY INTERCONNECTING SAID SENSOR AND SAID HEATER CONTROL TO REGULATE THE OPERATION OF SAID HEATER IN ACCORD WITH WATER TEMPERATURE VARIATIONS IN THE REGION OF SAID SENSOR, A BY-PASS CONDUIT CONNECTED AT ONE END TO SAID HOUSING ADJACENT SAID ONE END THEREOF AND HAVING A DISCHARGE END LOCATED IN THE REGION OF SAID SENSOR, AND CHECK VALVE MEANS IN SAID BY-PASS CONDUIT RESPONSIVE ONLY TO A PRESSURE DIFFERENTIAL OF PREDETERMINED VALUE EXISTING BETWEEN SAID ONE END OF SAID HOUSING AND THE REGION OF SAID SENSOR.