Pressure gauge and flow meter

Details Pressure gauge and flow meter Pressure gauge and flow meter

1975-10-22

1977-03-22

Woodiel, Donald O.

Measuring and testing

Gas analysis

Moisture content or vapor pressure

73194EM, G01L 910, G01F 158

Patent

active

040129594

ABSTRACT:
Devices relying on the Inverse Wiedman Effect. Devices include a current conductive, magnetically anisotropic rod, through which an AC current flows. Wound about the rod is a conductive coil having output terminals. By varying the AC current, the anisotropy, or both, variations in the output across coil terminals can be obtained. Devices may be for current sensing, pressure sensing, fluid flow sensing or an electric push button.

REFERENCES:
patent: 3530719 (1970-09-01), Altfillisch
patent: 3940992 (1976-03-01), Jost et al.

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