Electromagnetic delay line incorporated in a position detector f

Details Electromagnetic delay line incorporated in a position detector f Electromagnetic delay line incorporated in a position detector f

1983-03-10

1986-08-05

Karlsen, Ernest F.

Electricity: measuring and testing

Magnetic

Displacement

376258, G01B 714, G21C 700

Patent

active

046045767

ABSTRACT:
The invention concerns a position detector without mechanical contact. A permanent magnet attached to a mobile component co-operate with a sensor governed by the local action of the magnet. The sensor is constituted by an electromagnetic delay line having a saturable ferrite core onto which a winding propagating high frequency pulses is coiled. A reflectometer delivers the position indicator signal. The detector may be used to detect the position of a nuclear reactor control rod.

REFERENCES:
patent: 3296862 (1967-11-01), Ziniuk
patent: 3575616 (1971-04-01), Jordan
patent: 4006637 (1977-02-01), Kinosite
patent: 4071818 (1978-01-01), Krisst
IEEE Transactions on Nuclear Science, vol. NS-25, No. 1, Feb. 1978, New York, pp. 93-97.

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