Fiber optic velocity sensor/flow meter

Details Fiber optic velocity sensor/flow meter Fiber optic velocity sensor/flow meter

1987-10-19

1989-05-02

Goldstein, Herbert

Measuring and testing

Volume or rate of flow

Using rotating member with particular electrical output or...

7386187, G01F 106

Patent

active

048257087

ABSTRACT:
An optical fiber/paddle wheel fluid velocity sensor is provided which has application as a boat speed sensor and a fluid flow meter as well as other applications. The paddle wheel may be of integral construction and incorporates a plurality of T-shaped paddle blades which are disposed in some substantially parallel, spaced relation with an axial shaft portion thereof. Each of the blades is inclined and offset with respect to the axis of rotation. Each of the paddle blade elements includes a signal interrupter projection capable of passing between closely spaced aligned optical fibers to thus interrupt the light signal therebetween and provide for multiple direct digital signal pulses that may be electronically processed to represent the velocity of fluid flow.

REFERENCES:
patent: 2723562 (1955-11-01), Lutz et al.
patent: 3706224 (1972-11-01), Overs
patent: 4172381 (1979-10-01), Aigner
patent: 4206637 (1980-06-01), Pankonien
patent: 4433583 (1984-02-01), Kirk

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