Air flow hour meter
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Jul 14, 2020
Grant Date -
Feb 14, 2019
app pub date -
Aug 11, 2017
filing date -
Aug 11, 2017
priority date (Note) -
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Abstract
An air flow hour meter is provided. The air flow hour meter includes a passage configured to receive a pressurized fluid flow therethrough. An obstruction in the passage can be positioned in the fluid flow. A sensor in communication with the fluid flow can be configured to measure a pressure differential of the fluid flow between a first point and a second point of the passage. A microprocessor can be configured to calculate the signal-to-noise ratio of the sensor, and a timer can be configured to activate when the signal-to-noise ratio falls below a predetermined limit and otherwise deactivate.
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