Surfactant concentration detector
AssigneeColgate-Palmolive Company
InventorClifton F. Slaton
Life of this patent
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Abstract
An apparatus for detecting the concentration of a surfactant in a liquid solution comprising a wheel rotatably mounted in a tank and having a portion which extends outwardly thereof. A series of progressively larger holes arranged on a circle concentric with the axis of rotation of the wheel are formed therein as are notches in the periphery of the wheel. Photoelectric cells are used to count the films formed across the holes and the notches in the wheel to provide an indication of the concentration of a surfactant.
Claims6
An apparatus for detecting the concentration of a surfactant liquid solution comprising a tank, means for delivering the liquid solution to said tank, a wheel rotatable in said tank, said wheel having a series of progressively larger holes therethrough, said holes being centered on a circle concentric with the axis of rotation of said wheel, said wheel having notches in the periphery thereof corresponding to each of said holes, a portion of said wheel rising out of said tank, first photocell means directed at said wheel for detecting films formed across any of said holes, second photocell means for counting said notches to time said wheel, and means for slowly rotating said wheel.
An apparatus for detecting the concentration of a liquid solution comprising a tank, a wheel rotatably mounted in said tank so that portions thereof rise out of said tank, a series of progressively larger holes in said wheel, notches in said wheel corresponding to said holes, first photocell means for counting the holes having films thereacross when said wheel rises above said tank, and second photocell means for counting said notches to time the speed of said wheel.
Dependencies are inferred from the claim text.