FLUID HEATER CONTROL APPARATUS AND METHOD WITH OVERTEMPERATURE PROTECTION

A fluid heater apparatus has fluid discharge temperature control to prevent temperature overshoot. A plurality of heater elements are employed and at least certain of the heater elements are independently controllable. At least one of the heater elements is employed as a "finishing" heater...

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Bibliographische Detailangaben
Hauptverfasser:	KUEBLER, KARL-HEINZ, HARRIS, DARYL, G
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BLASTING CONTROLLING FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEATGENERATING MEANS, IN GENERAL HEATING LIGHTING MECHANICAL ENGINEERING PERFORMING OPERATIONS PHYSICS RANGES REGULATING SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, ORMANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES TRANSPORTING VEHICLES IN GENERAL VENTILATING WEAPONS
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Beschreibung
Zusammenfassung:	A fluid heater apparatus has fluid discharge temperature control to prevent temperature overshoot. A plurality of heater elements are employed and at least certain of the heater elements are independently controllable. At least one of the heater elements is employed as a "finishing" heater element, with the other heating elements deactivated to enable the "finishing" heater element to more slowly elevate the temperature of the fluid in the body from a first temperature reached by activation all or most of the heater elements to the predetermined discharge temperature. One of more of the heater elements may have a different power output than the other heater elements.