Electricity: measuring and testing – Magnetic – Displacement
Patent
1984-09-07
1987-03-03
Strecker, Gerard R.
Electricity: measuring and testing
Magnetic
Displacement
73290R, 164449, 324225, G01F 2326, G01B 714, B22D 1116
Patent
active
046478540
ABSTRACT:
An apparatus for measuring the level of molten metal in the oscillating mold of a continuous casting machine in operation by an eddy-current type distance measuring device. The oscillation signal component due to the oscillation of the mold is extracted from the output signal of the distance measuring device and the detection sensitivity of the distance measuring device is compensated and controlled so as to maintain the amplitude value of the oscillation signal component at a constant value thereby linearizing the molten metal surface level versus output characteristic.
REFERENCES:
patent: 4186792 (1980-02-01), Yamada et al.
Ando Seigo
Kawase Yoshihiro
Yamada Takeo
Nippon Kokan Kabushiki Kaisha
Strecker Gerard R.
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