Non-symmetrical inductive sensors having ferrite coil geometries with different top and base geometries
Virginia Tech Intellectual Properties, Inc.
Anim-Appiah, Kofi D.
Riad, Sedki M.
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New core geometries to increase the sensing range of proximity transducers in general, and eddy current killed oscillator mode sensors, in particular. A theoretical analysis yields electromagnetic parameters that facilitate prediction of the sensing capability of any ferrite core geometry. The results of this analysis is applied to a multitude of Finite Element Analysis models to study changes in maximum sensing distance due to ferrite core geometry modifications. This yielded preferred embodiments for shielded and unshielded sensors.
- Virginia Tech Patents