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Institut Francais Du Pe'trole

Denis Buffenoir

Pierre Gonzalez

Danny James Khoi

A level gauge for a tank of a driven sensor type includes a drum around which is wound a thread on the end of which is suspended a driven level sensor. A reversible servomotor drives the drum with the drum being driveable in reverse directions. The rotation of the drum is recorded and a variation in the force of the thread is detected. The force is directly related to the relative position of the sensor with respect to the level being measured. The detector for detecting the variation in the force in the thread includes an element rotatably mounted about a horizontal axis, with an oscillation of the element being limited by a damping arrangement, with movement of the element enabling the force exerted on the thread to be measured.

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Chatou, France

Denis Buffenoir