Fluid Sensing Device
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United States of America Patent
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Issued Date -
Jul 22, 2021
app pub date -
Jan 20, 2021
filing date -
Jan 21, 2020
priority date (Note) -
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Abstract
The fluid sensing device including a sensitive part, at least one obstacle, and a sensor. The sensitive part includes a flexible portion extending in a second direction substantially orthogonal to a first direction or fluid flow direction. The at least one obstacle extends in the second direction and is located in spaced relation to, and upstream of, the flexible portion. A collision of the fluid with the at least one obstacle generates vortexes in the fluid alternately on opposite sides in a third direction relative to the at least one obstacle, so that one or more of the vortexes collide with the flexible portion so as to distort at least part of the flexible portion. The third direction is substantially orthogonal to the first and second directions. The sensor includes at least one sensing part to detect the distortion of the flexible portion as a flow of the fluid.
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