Reduction of aeration interference in an ultrasonic fluid sensing system
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United States of America Patent
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Jan 3, 2017
Grant Date -
Jan 21, 2016
app pub date -
Sep 29, 2015
filing date -
Oct 2, 2013
priority date (Note) -
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Abstract
A sensor operable to sense a characteristic of a fluid. The sensor includes a sensing area, a filter, and a transducer. The sensing area is configured to contain the fluid. The filter covers the sensing area. The filter is configured to allow a liquid portion of the fluid to enter the sensing area and substantially prohibit a gas portion of the fluid to enter the sensing area. The transducer is operable to output a pulse of sound through the liquid portion of the fluid contained within the sensing area, receive the reflected pulse of sound, and output a characteristic of the fluid based on the received pulse of sound.
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