Electricity: measuring and testing – Magnetic – Displacement
Patent
1993-01-29
1995-02-28
Strecker, Gerard R.
Electricity: measuring and testing
Magnetic
Displacement
32420715, 32420719, G01B 714
Patent
active
053940822
ABSTRACT:
A device for determining the position of an axially movable body wherein the position of the body is deduced from the inductance of a coil arrangement. A layer which has a layer structure containing less than 8% by weight of P, preferably up to 3% by weight of phosphorus, up to 2% by weight of an element of main group IV or V, in particular antimony, and up to 5% by weight of a transition metal element, in particular cobalt, is deposited on the body. The percentages by weight resulting from the sum are increased up to 100% with nickel. An axial movement of the body to which the layer is joined, modifies the magnetic flux in a coil arrangement comprising at least one coil. The changes in inductance resulting therefrom are measured and the position of the body is deduced therefrom.
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Alasafi Khaldoun
Gutohrlein Ralf
Schiessle Edmund
Edmonds Warren S.
Mercedes-Benz AG
Strecker Gerard R.
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