LIQUID LEVEL SENSING SYSTEMS

A liquid level sensing system includes a vessel (102) and an electrode (104). The vessel includes a vessel wall (106) separating a vessel interior (108) from a vessel exterior (110). The electrode is mounted to an exterior side (112) of the vessel wall spanning a distance (D) corresponding to a desi...

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Bibliographische Detailangaben
Hauptverfasser:	Mackulin, Bryan J, Lei, Martin, Periyathamby, Sabeshan S, Harr, John A, Shearer, Jon
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	MEASURING MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUIDLEVEL METERING BY VOLUME PHYSICS TESTING
Online-Zugang:	Volltext bestellen
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Beschreibung
Zusammenfassung:	A liquid level sensing system includes a vessel (102) and an electrode (104). The vessel includes a vessel wall (106) separating a vessel interior (108) from a vessel exterior (110). The electrode is mounted to an exterior side (112) of the vessel wall spanning a distance (D) corresponding to a desired-level-determining range. The vessel wall is a dielectric gap between the electrode and the vessel interior. The electrode is configured to collect a charge corresponding to a liquid level (L). A method for determining a liquid level in a vessel (102) includes collecting a charge (304) on an electrode (104), sensing the collected charge (306) on the electrode with a capacitance sensor (114) through an electrical line (118), and determining a liquid level (308) in a vessel based on the collected charge sensed by the capacitance sensor.