Fluid level sensor system and method
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United States of America Patent
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Jul 28, 2015
Grant Date -
May 22, 2014
app pub date -
Nov 16, 2012
filing date -
Nov 16, 2012
priority date (Note) -
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Abstract
A fluid level sensor system includes a thermal path component disposed at least partially within a fluid containing volume, the thermal path component including a heat source operably coupled thereto and a control temperature sensor for sensing a control temperature of the thermal path component. Also included is a reference temperature sensor for sensing a reference ambient temperature. Further included is a controller in operable communication with the control temperature sensor, the heat source and the reference temperature sensor, wherein the controller maintains a predetermined temperature difference between the control temperature and the reference ambient temperature by controlling the heat source, wherein an energy level required to maintain the predetermined temperature difference is converted to a fluid level within the fluid containing volume.
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