Fluidic flow meter with fiber optic sensor

Details Fluidic flow meter with fiber optic sensor Fluidic flow meter with fiber optic sensor

1995-06-12

1998-10-27

Chilcot, Richard

Measuring and testing

Volume or rate of flow

By measuring vibrations or acoustic energy

385 13, 25022714, G01F 120, G02B 610

Patent

active

058279768

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.

REFERENCES:
patent: 3889534 (1975-06-01), Grant
patent: 4107990 (1978-08-01), Ringwall
patent: 4151955 (1979-05-01), Stouffer
patent: 4339661 (1982-07-01), Pitt et al.
patent: 4880971 (1989-11-01), Danisch
patent: 5038620 (1991-08-01), Rogers, Jr. et al.
patent: 5097252 (1992-03-01), Harvill et al.
patent: 5099753 (1992-03-01), Stouffer
patent: 5127173 (1992-07-01), Thurston et al.
patent: 5321257 (1994-06-01), Danisch
patent: 5339695 (1994-08-01), Kang et al.
McGraw-Hill Encyclopedia of Science & Technology, 5th Edition. p. 1236. Oct. 1982.

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