OPTICAL LEVEL GAUGE APPARATUS AND METHOD, LIQUID TANK ASSEMBLY AND VEHICLE EMPLOYING THE SAME

OPTICAL LEVEL GAUGE APPARATUS AND METHOD, LIQUID TANK ASSEMBLY AND VEHICLE EMPLOYING THE SAME

In order to improve liquid level gauging inside liquid tanks (22), especially cryogenic liquid tanks, the invention provides an apparatus and method for determining the liquid level, L. A light source emits outgoing light rays (34) that are back reflected or scattered by the tank wall (24) of the li...

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Hauptverfasser: Barrios, Ricardo, Tepper, Jan
Format: Patent
Sprache:eng ; fre ; ger
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MEASURING
MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUIDLEVEL
METERING BY VOLUME
PHYSICS
TESTING
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creator Barrios, Ricardo
Tepper, Jan
description In order to improve liquid level gauging inside liquid tanks (22), especially cryogenic liquid tanks, the invention provides an apparatus and method for determining the liquid level, L. A light source emits outgoing light rays (34) that are back reflected or scattered by the tank wall (24) of the liquid tank (22). The back reflected or scattered incoming light rays (48) are received by a light conducting device (36), which conducts the incoming light rays (48) towards a sensor device (54). The sensor device (54) has optical sensors (56) that are coupled to the light conducting device (36) in such a manner that there is a one-two-one relationship between each optical sensor (56) and a specific tank wall portion (58). Due to the change in the amount of light that is received by the optical sensor (56) after the outgoing light rays (34) were refracted by the liquid surface (46), the liquid level determining device (60) is capable of determining the liquid level L.
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subjects MEASURING
MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUIDLEVEL
METERING BY VOLUME
PHYSICS
TESTING
title OPTICAL LEVEL GAUGE APPARATUS AND METHOD, LIQUID TANK ASSEMBLY AND VEHICLE EMPLOYING THE SAME
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