Sensing device for liquids

Details Sensing device for liquids Sensing device for liquids

1977-10-25

1979-03-06

Kreitman, Stephen A.

Measuring and testing

Specific gravity or density of liquid or solid

Multiple floats of graduated density

73447, 73453, G01N 912

Patent

active

041424190

ABSTRACT:
A device for indicating changes in the specific gravity of a liquid comprises first and second floats adapted to float on the surface of the liquid, the float having different shapes and/or densities so that the depth of the floats in the liquid varies in accordance with the specific gravity of the liquid and means for producing an electrical signal dependent upon the depth to which the floats are immersed relative to one another.

REFERENCES:
patent: 2333406 (1943-11-01), Ballard
patent: 2416808 (1947-03-01), Weiss
patent: 2767580 (1956-10-01), Bevins et al.
patent: 3333469 (1967-08-01), Godfrey
patent: 3952761 (1976-04-01), Friedland

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