Liquid purification or separation – Processes – Separating
Patent
1979-02-05
1980-10-21
Adee, John
Liquid purification or separation
Processes
Separating
210 86, 210 961, 210100, 210746, 210789, B01D 3300
Patent
active
042292980
ABSTRACT:
A method for determining the thickness of a charge wall being formed against the side wall of a rotating centrifugal basket by flow of charge material into the basket comprises the steps of establishing a capacitance across the charge space of the basket and sensing any change of capacitance which results as the charge wall thickness is increased by the flow. An apparatus for determining the thickness of the charge wall formed against the side wall of the centrifugal basket includes an electrically conductive plate disposed in the basket inwardly of the charge space and a source of voltage for establishing an electric field between the plate and the side wall. A capacitance sensor senses any change in the established capacitance resulting from the formation of a charge wall in the basket.
REFERENCES:
patent: 2727630 (1955-12-01), Hertaich
patent: 3011641 (1961-12-01), Huser
patent: 3079046 (1963-02-01), Goodwin
patent: 3141848 (1964-07-01), Laven
patent: 3189268 (1965-06-01), Nilsson
patent: 3420374 (1969-01-01), Umeda
patent: 3559808 (1971-02-01), O'Connor
Adee John
Clayton Ronald A.
Johnston Albert C.
The Western States Machine Company
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