Liquid level measuring system
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United States of America Patent
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-
Dec 6, 1983
Issued Date -
N/A
app pub date -
Dec 18, 1981
filing date -
Aug 22, 1980
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A liquid level measuring device has an outer capacitance tube, an imperforate glass tube coaxially within the outer tube defining a capacitor annulus between them, and an inner capacitor sleeve coaxially within the glass tube and having separate longitudinally extending sleeve sections. The separate sleeve sections cooperate with the outer capacitance tube to form a plurality of capacitor sections each having a separately measurable value which varies between dry minimum and submerged maximum.
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