Ultrasonic electrolyte sensor
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United States of America Patent
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Jan 17, 2017
Grant Date -
Nov 14, 2013
app pub date -
May 8, 2013
filing date -
May 11, 2012
priority date (Note) -
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status (Latency Note)
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Abstract
A system is disclosed for monitoring an electrolyte level in a battery cell and generating an indication of a fault condition when the electrolyte level drops below a predetermined acceptable level. The system may make use of a controller, an ultrasonic transmit circuit for transmitting an ultrasonic signal into an interior area of the battery cell, and an ultrasonic receive circuit for receiving the ultrasonic signal after it has been reflected from the interior area of the battery cell. The controller may use the reflected ultrasonic signal and a predetermined calibration signal representing the predetermined acceptable level of the electrolyte to determine when the electrolyte level has dropped below the predetermined acceptable level.
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