System or a method for measuring flow of fluid or gas
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United States of America Patent
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May 10, 2016
Grant Date -
Mar 19, 2015
app pub date -
Sep 16, 2013
filing date -
Sep 16, 2013
priority date (Note) -
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Abstract
A system or a method for measuring flow in a flow duct has at least two ultra sound transducers. The flow of air in a duct is measured by one or more transducers transmitting beams of ultra sound controlled by a microcontroller based electronic system in which the microcontroller stores a vector of data samples for each direction of transmission, which vector includes an appropriate number of N samples forming a frame, the microcontroller multiplying each value of the frame which a complex number. Based on the result, the microcontroller calculates the flow in the duct. As a result, an efficient flow measurement of air flowing in a duct can be achieved.
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