Fluidic flow meter with fiber optic sensor
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United States of America Patent
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Oct 27, 1998
Grant Date -
N/A
app pub date -
Jun 12, 1995
filing date -
Jun 12, 1995
priority date (Note) -
Expired
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Abstract
A fluidic flow meter comprising a fluidic oscillator having an oscillation chamber, a power nozzle for issuing a jet of fluid into the oscillation chamber, an outlet for issuing fluid from the oscillation chamber. A bendable fiber optic wave guide loop has a section adapted to lose light as a result of flexing or bending is mounted in a flow path in the oscillation chamber and subjected to oscillatory flow of the fluid. Light is injected into one end of the fiber optic wave guide and a detector senses the oscillatory loss of light in the fiber optic wave guide as a measure of fluid flow through the fluidic oscillator.
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