Conductive sensor for fluid level sensing

Conductive sensor for fluid level sensing

The invention relates to a device for sensing fluid level comprising a calibration sensor completely immersed in a fluid, and a measurement sensor at least partially immersed in the same fluid, wherein said calibration sensor is disposed in the fluid at a position lower than the lowest level of the...

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Hauptverfasser: STEPH JAMES C, HOOD CHARLES R
Format: Patent
Sprache:eng
Schlagworte:
MEASURING
MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUIDLEVEL
METERING BY VOLUME
PHYSICS
TESTING
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creator STEPH JAMES C
HOOD CHARLES R
description The invention relates to a device for sensing fluid level comprising a calibration sensor completely immersed in a fluid, and a measurement sensor at least partially immersed in the same fluid, wherein said calibration sensor is disposed in the fluid at a position lower than the lowest level of the measurement sensor. The calibration sensor and measurement sensors comprise elongated apertures in a printed circuit board with electrically conductive plating formed on each side of, and spanning the length of, the elongated apertures. Further, the invention relates to a method for determining a fluid level within a reservoir comprising: providing a calibration sensor completely immersed in the fluid and having a known length, providing a measurement sensor at least partially immersed in the fluid, sensing an electrical property of the fluid through the calibration sensor, sensing the same electrical property of the fluid through the measurement sensor, and determining the fluid level as it relates to the length of the measurement electrode exposed to the fluid.
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The calibration sensor and measurement sensors comprise elongated apertures in a printed circuit board with electrically conductive plating formed on each side of, and spanning the length of, the elongated apertures. Further, the invention relates to a method for determining a fluid level within a reservoir comprising: providing a calibration sensor completely immersed in the fluid and having a known length, providing a measurement sensor at least partially immersed in the fluid, sensing an electrical property of the fluid through the calibration sensor, sensing the same electrical property of the fluid through the measurement sensor, and determining the fluid level as it relates to the length of the measurement electrode exposed to the fluid.</description><edition>7</edition><language>eng</language><subject>MEASURING ; MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUIDLEVEL ; METERING BY VOLUME ; PHYSICS ; TESTING</subject><creationdate>2005</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&amp;date=20050512&amp;DB=EPODOC&amp;CC=US&amp;NR=2005097952A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76289</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&amp;date=20050512&amp;DB=EPODOC&amp;CC=US&amp;NR=2005097952A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>STEPH JAMES C</creatorcontrib><creatorcontrib>HOOD CHARLES R</creatorcontrib><title>Conductive sensor for fluid level sensing</title><description>The invention relates to a device for sensing fluid level comprising a calibration sensor completely immersed in a fluid, and a measurement sensor at least partially immersed in the same fluid, wherein said calibration sensor is disposed in the fluid at a position lower than the lowest level of the measurement sensor. 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subjects MEASURING
MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUIDLEVEL
METERING BY VOLUME
PHYSICS
TESTING
title Conductive sensor for fluid level sensing
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