High-sensitivity capacitive oil deterioration and level sensor
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United States of America Patent
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Jul 27, 1999
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N/A
app pub date -
Dec 3, 1997
filing date -
Dec 3, 1997
priority date (Note) -
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Abstract
A high-sensitivity capacitive oil deterioration and level sensor includes a conductive housing member with an inner surface defining a ground electrode and conductive inner member with an outer surface defining a measuring electrode. The housing member is adapted to provide a fluidic connection between an oil container and a gap between the ground electrode and the measuring electrode. The sensor also includes electronics adapted to employ this capacitor geometry to generate signals indicative of a degree of deterioration and a level of the oil within the gap.
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