Circulating liquid bath with reservoir dual level switch

A circulating bath (10) including a heater (18) configured to heat a fluid (34) in a reservoir (22). The heater (18) is configured to be operatively connected to a source of power (50) by a control circuit (39) operatively coupled to the heater (18). First and second fluid level sensors (14) (16) ar...

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Bibliographische Detailangaben
Hauptverfasser:	ENOS, DON A, PARKER, JOHN LORING, WILEY, ROBERT L
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	APPARATUS FOR MAKING BEVERAGES BLASTING CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE COFFEE MILLS DOMESTIC ARTICLES OR APPLIANCES FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEATGENERATING MEANS, IN GENERAL FURNITURE HEATING HUMAN NECESSITIES KITCHEN EQUIPMENT LIGHTING MECHANICAL ENGINEERING PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL RANGES SPICE MILLS SUCTION CLEANERS IN GENERAL TRANSPORTING VENTILATING WEAPONS
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Beschreibung
Zusammenfassung:	A circulating bath (10) including a heater (18) configured to heat a fluid (34) in a reservoir (22). The heater (18) is configured to be operatively connected to a source of power (50) by a control circuit (39) operatively coupled to the heater (18). First and second fluid level sensors (14) (16) are operatively coupled to the control circuit (39), and provide signals indicative of a low fluid condition in the reservoir (22). The control circuit (39) is configured to receive the signals from the fluid level sensors (14) (16), and disconnect the heater (18) from the source of power (50) in response to receiving a signal from either of the first and second fluid level sensors (14), (16) indicative of a low fluid condition.