Magnetostrictive position sensing probe with waveguide reference

Details Magnetostrictive position sensing probe with waveguide reference Magnetostrictive position sensing probe with waveguide reference

1995-11-30

1998-12-15

Dombroske, George M.

Measuring and testing

Liquid level or depth gauge

Float

73311, 73313, 73314, 32420713, G01F 2356

Patent

active

058485490

ABSTRACT:
A magnetostrictive position sensing device is disclosed where a probe assembly surrounding a waveguide is anchored at one end to the bottom of a tank and terminates in a transducer assembly attached to the top of the tank. The probe assembly compensates for differential coupling between two sections of the probe assembly. The sensing device also includes one or more fluid level floats movably surrounding a portion of the probe.

REFERENCES:
patent: 4939457 (1990-07-01), Tellerman
patent: 5050430 (1991-09-01), Begin et al.
patent: 5545984 (1996-08-01), Gloden et al.

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