FAN-POWERED UNITS CALIBRATED BY TYPE OR SIZE
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United States of America Patent
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Issued Date -
Aug 1, 2024
app pub date -
Feb 6, 2024
filing date -
Jul 12, 2013
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Abstract
A fluid flow device that can accurately and inexpensively measure a flow of a fluid can be implemented in a fan-powered unit, comprising a fan or other fluid-moving device. By accurately measuring the flow of the fluid to the fan, insights or efficiencies can be determined regarding operation of a larger system such as a heating, ventilation, and air conditioning (HVAC) system or other system. For instance, various procedures, including measuring, controlling, balancing, maintenance, prediction, or calibration procedures can leverage differential pressure measurement and/or the determined flow to the fan. As an example, current settings of the fan can be compared to historical fan settings to identify changes in fan load for a given fluid flow demand. Such can indicate changes in downstream or upstream devices, which can be used to indicate a device requires maintenance or another indicator.
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