System for controlling density of liquids

Details System for controlling density of liquids System for controlling density of liquids

1974-03-25

1976-04-27

Cohan, Alan

Fluid handling

Self-proportioning or correlating systems

Mixture condition maintaining or sensing

73445, 73452, 73453, G01N 918

Patent

active

039527611

ABSTRACT:
A system for accurately controlling the density of liquids in a processing system employing a chamber having a finned hydrometer with control activation mechanism floating in a reservoir of continuous sample solution, and having a plurality of chambers so constructed so as to create a liquid stream feeding the zone containing the hydrometer and imparting rotational motion thereto. The height of the hydrometer is sensed as measuring the density of the liquid sample. Appropriate corrections are made to the processing system.

REFERENCES:
patent: 1067073 (1913-07-01), Steiger
patent: 1688811 (1928-10-01), Henny
patent: 1838845 (1931-12-01), Lanaux
patent: 1957941 (1934-05-01), Coe
patent: 2362661 (1944-11-01), Peters
patent: 3089502 (1963-05-01), Davidson

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