Plugging device

Details Plugging device Plugging device

1979-06-05

1981-11-03

Woodiel, Donald O.

Measuring and testing

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

Content or effect of a constituent of a liquid mixture

73 17R, G01N 1500

Patent

active

042978734

ABSTRACT:
Disclosed is a plugging device which comprises a plugging orifice having in a passage for a liquid metal a conical portion spreading out toward the upper-course side and a straight pipe portion extending from a small-diameter part of the conical portion at the lower-course end thereof to the lower-course side, whereby plenty of impurities in the liquid metal flowing supersaturated through the straight pipe portion are precipitated at the straight pipe portion, and a cooler so controlled as to stop a driving motor of a blower for cooling the liquid metal when the flow rate of the liquid metal is below a predetermined level and to rotate the motor in proportion to the deviation between the flow rate by actual measurement and the predetermined level of flow rate when the flow rate of the liquid metal is at the predetermined level or above.

REFERENCES:
patent: 3200637 (1965-08-01), Ballou et al.
patent: 3340725 (1967-09-01), Wilkinson
patent: 3343401 (1967-09-01), DeLisle
patent: 3462997 (1969-08-01), Roach et al.
patent: 3996790 (1976-12-01), Murase et al.

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