Low liquid level monitoring and warning apparatus and method

A sensor is coupled to a reservoir for generating a first signal responsive to the liquid level therein falling below a first level spaced above an output port and indicative of a reserve level of liquid remaining. A pump is coupled to the reservoir for pumping the liquid therefrom in metered volume...

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Bibliographische Detailangaben
Hauptverfasser:	BOWMAN, TIM J
Format:	Patent
Sprache:	eng
Schlagworte:	ALARM SYSTEMS BLASTING CRANKCASE VENTILATING ENGINE PLANTS IN GENERAL HEATING LIGHTING LUBRICATING INTERNAL COMBUSTION ENGINES LUBRICATING OF MACHINES OR ENGINES IN GENERAL MACHINES OR ENGINES IN GENERAL MEASURING MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUIDLEVEL MECHANICAL ENGINEERING METERING BY VOLUME ORDER TELEGRAPHS PHYSICS SIGNALLING SIGNALLING OR CALLING SYSTEMS STEAM ENGINES TESTING WEAPONS
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Beschreibung
Zusammenfassung:	A sensor is coupled to a reservoir for generating a first signal responsive to the liquid level therein falling below a first level spaced above an output port and indicative of a reserve level of liquid remaining. A pump is coupled to the reservoir for pumping the liquid therefrom in metered volumes and responsive thereto transmitting a volume pumping signal. An integrator receives and integrates the volume pumping signal, and then generates, after receiving the first signal, an output signal indicative of the volume of the liquid remaining in the reservoir. An indicator is coupled to the integrator for displaying the output signal.