Method and apparatus for sensing fuel levels in tanks

Method and apparatus for sensing fuel levels in tanks

An apparatus and method are described that utilize longitudinal guided waves propagated along a rod placed in a vehicle fuel tank, or the like, to identify the level of the fuel contained within the tank. The system includes a magnetostrictive sensor (MsS) positioned adjacent to one end of the rod t...

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Hauptverfasser: KWUN HEGEON, PETERSON RONALD H
Format: Patent
Sprache:eng
Schlagworte:
MEASURING
MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUIDLEVEL
METERING BY VOLUME
PHYSICS
TESTING
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creator KWUN HEGEON
PETERSON RONALD H
description An apparatus and method are described that utilize longitudinal guided waves propagated along a rod placed in a vehicle fuel tank, or the like, to identify the level of the fuel contained within the tank. The system includes a magnetostrictive sensor (MsS) positioned adjacent to one end of the rod that extends out from the tank. The MsS both generates the guided waves in the rod and detects the reverberating reflected waves within the rod. A permanent magnet may be positioned adjacent the MsS to establish a bias magnetic field in association with the MsS. The system and method detect the waves reverberating in the rod and from the detected signals, measure a degree of wave attenuation. A correlation is made between the measured attenuation change and the actual fuel level within the tank.
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subjects MEASURING
MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUIDLEVEL
METERING BY VOLUME
PHYSICS
TESTING
title Method and apparatus for sensing fuel levels in tanks
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