Microwave sensor for checking the level of the molten metal in c

Details Microwave sensor for checking the level of the molten metal in c Microwave sensor for checking the level of the molten metal in c

1982-03-03

1984-07-10

Goldberg, Gerald

Measuring and testing

Liquid level or depth gauge

343 177, G01F 2300

Patent

active

044585306

ABSTRACT:
A device capable of measuring the position of the level surface of a molten metal bath by exploiting a microwave signal emerging from a waveguide which impinges perpendicularly onto the molten metal so as to originate a standing wave, the position of which is determined by the position of the level surface. The parameters of the standing wave are detected so as to obtain an indication as to the level.

REFERENCES:
patent: 3836846 (1974-09-01), Overall et al.
patent: 4030027 (1977-06-01), Yamada et al.
patent: 4044353 (1977-08-01), Levy
patent: 4044354 (1977-08-01), Bosher et al.
patent: 4054255 (1977-10-01), Magenheim
patent: 4183007 (1980-01-01), Baird
patent: 4210023 (1980-07-01), Sakamoto et al.
Cronson, Wide-Band Directional Coupler, 3-1976.

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