Method and apparatus for measuring and controlling the volume of

Details Method and apparatus for measuring and controlling the volume of Method and apparatus for measuring and controlling the volume of

1996-03-29

1998-03-03

Evans, F. L.

Optics: measuring and testing

By polarized light examination

With light attenuation

250577, G01B 1128

Patent

active

057241422

ABSTRACT:
A method for measuring or controlling the volume of a liquid segment confined within a tube and having a leading edge and a trailing edge. The tube is exposed to radiation at an angle and radiation refracted from the inner surface of the tube is measured at the leading and trailing edges of the segment while the liquid segment is moving through the tube.

REFERENCES:
patent: 3636360 (1972-01-01), Oishi et al.
patent: 4210809 (1980-07-01), Pelavin
patent: 4989452 (1991-02-01), Toon et al.
patent: 5074658 (1991-12-01), Tavlarides et al.

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