Optical flow measuring device and method of operation
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United States of America Patent
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Mar 27, 2018
Grant Date -
May 28, 2015
app pub date -
Nov 21, 2014
filing date -
Nov 22, 2013
priority date (Note) -
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Abstract
A flow measuring device, comprising a container for receiving a flow of liquid, a plurality of optical sensors associated with the container, each of the plurality of optical sensors producing an output signal dependent upon the presence of liquid reaching a level in the container associated with each optical sensor, means for modifying the output signal in accordance with at least one predetermined temperature compensation factor, and means for calculating a flow rate from the time at which the liquid traverses between two levels in the container.
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