Plugging meter

Details Plugging meter Plugging meter

1977-09-08

1979-12-18

Queisser, Richard C.

Measuring and testing

Liquid analysis or analysis of the suspension of solids in a...

Content or effect of a constituent of a liquid mixture

G01N 1100

Patent

active

041787951

ABSTRACT:
A plugging meter for automatically measuring the impurity concentration in a liquid metal is designed to have parallel passages including a cooling passage provided with a plugging orifice and with a flow meter, and a by-pass passage connected in series to a main passage having another flow meter, so that the plugging points may be obtained from the outputs of both flow meters. The plugging meter has a program signal generator, a flow-rate ratio setter and a comparator, and is adapted to change the temperature of the plugging orifice in accordance with a predetermined pattern or gradient, by means of a signal representative of the temperature of plugging orifice and a flow-rate ratio signal obtained from the outputs of both flow meters. This plugging meter affords an automatic and accurate measurement of a multi-plugging phenomenon taking place at the plugging orifice.

REFERENCES:
patent: 2782369 (1957-02-01), Werner et al.
patent: 2997874 (1961-08-01), Billuris et al.
patent: 3200637 (1965-08-01), Ballou et al.
patent: 3390571 (1968-07-01), Roach et al.
patent: 3672209 (1972-06-01), Roach et al.

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