Measuring and testing – Liquid level or depth gauge – Immersible electrode type
Patent
1992-06-19
1994-08-02
Chilcot, Jr., Richard E.
Measuring and testing
Liquid level or depth gauge
Immersible electrode type
73198, G01F 2300
Patent
active
053334981
ABSTRACT:
Apparatus and method are disclosed for measuring the quantity of a liquid, such as crude oil, transferred to or from a storage tank with all measurements being taken through an opening near the bottom of the tank. A water detecting probe is extendable through the opening a selected distance below the opening in order to detect the presence of water at a selected level below the opening and generate a detection signal. A sampling device is connectable to the opening for taking samples of the liquid transferred to or from the tank. A pressure sensor is connected to the opening for generating a pressure signal indicative of the pressure of the liquid in the tank. A computer is provided for using the pressure signal to generate a level signal indicative of the level of the liquid in the tank. Communication circuitry may be provided for receiving an enabling signal from a remote location and enabling the initiation, measurement, and termination of a liquid transfer and for transmitting the detection signal and the measurements and indications of the liquid transfer to the remote location.
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CTI Manufacturing, Inc. Accu-Gage.TM. sales brochure.
Digi-Con Corporation LevelBest System sales brochure.
Brackett Anne W.
Durham Marcus O.
Perkins Lynn K.
Thoman Gregory E.
Chilcot Jr. Richard E.
Oen William L.
W. L. Walker Co., Inc.
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