Glass manufacturing – Processes – With measuring – sensing – inspecting – indicating – or testing
Patent
1980-11-14
1982-01-26
Kellogg, Arthur D.
Glass manufacturing
Processes
With measuring, sensing, inspecting, indicating, or testing
65136, 65160, 65162, 65335, C03B 300
Patent
active
043126570
ABSTRACT:
A method of and apparatus for detecting the level of molten glass in a glass melting furnace comprising: positioning two members in the molten glass in the furnace; supplying a source of alternating current to the members; detecting the impedance of a circuit comprising the two members and the electrical connection therebetween through the molten glass; and generating a signal responsive to the detected impedance as an indication of the level of molten glass in the furnace.
REFERENCES:
patent: 3573017 (1971-03-01), Griem, Jr.
patent: 3938976 (1976-02-01), Walker
patent: 4002448 (1977-01-01), Griffith et al.
Canfield Sheldon A.
Sanik Paul S.
Hudgens Ronald C.
Kashimba Paul T.
Kellogg Arthur D.
Owens-Corning Fiberglas Corporation
Pacella Patrick P.
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