FUEL GAUGE
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United States of America Patent
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app pub date -
Aug 31, 2015
filing date -
Sep 1, 2014
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Abstract
A fuel gauge comprises two cylinders, internal and external respectively, each made of composite material based on electrically conducting fibers, and fixedly placed one inside the other without direct electrical contact between the cylinders, so that a capacity value for a capacitor formed by the cylinders is representative of a fuel level between the cylinders. The external cylinder includes an electrically insulating coating arranged on an external surface of said external cylinder, turned opposite the internal cylinder. The insulating coating of the external cylinder may be of a composite material based on glass fibers.
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