RADAR LEVEL GAUGE SYSTEM HAVING AN ANTENNA ASSEMBLY WITH A NON-PLASTIC DIELECTRIC ANTENNA BODY

A radar level gauge system comprising: a transceiver; an antenna assembly for arrangement at an opening in a tank wall for radiating a transmit signal vertically towards the product in the tank, and to return a reflection signal resulting from reflection of the transmit signal at a surface of the pr...

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Bibliographische Detailangaben
Hauptverfasser:	OHLSSON, Magnus, FREDRIKSSON, Håkan
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ANALOGOUS ARRANGEMENTS USING OTHER WAVES ANTENNAS, i.e. RADIO AERIALS BASIC ELECTRIC ELEMENTS DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES ELECTRICITY LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES MEASURING MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUIDLEVEL METERING BY VOLUME PHYSICS RADIO DIRECTION-FINDING RADIO NAVIGATION TESTING
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Beschreibung
Zusammenfassung:	A radar level gauge system comprising: a transceiver; an antenna assembly for arrangement at an opening in a tank wall for radiating a transmit signal vertically towards the product in the tank, and to return a reflection signal resulting from reflection of the transmit signal at a surface of the product; and processing circuitry for determining the filling level based on the transmit signal and the reflection signal. The antenna assembly comprises: a non-plastic dielectric antenna body having a convex surface facing away from an interior of the tank and a planar surface facing the interior of the tank, when the antenna assembly is arranged at the opening in the tank wall; and a feed arranged to direct the transmit signal towards the convex surface of the non-plastic dielectric antenna body.