Inductive circuit arrangements

Details Inductive circuit arrangements Inductive circuit arrangements

1986-12-11

1989-04-11

Levy, Stewart J.

Electricity: measuring and testing

Particle precession resonance

Spectrometer components

363 98, G01R 3320

Patent

active

048209864

ABSTRACT:
A switched coil arrangement is connected in a bridge configuration of four switches S.sub.1, S.sub.2, S.sub.3 and S.sub.4 which are each shunted by diodes D.sub.1, D.sub.2, D.sub.3 and D.sub.4 so that current can flow in either direction through a coil L depending on the setting of the switches. A capacitor C is connected across the bridge through a switch S.sub.5 to receive the inductive energy stored in coil L on breaking the current flow path through the coil. The electrostatic energy stored in capacitor C can then be used to supply current through the coil in the reverse direction either immediately or after a time delay. Coil L may be a superconductive coil. Losses in the circuit can be made up by a trickle charge of capacitor C from a separate supply V.sub.2.

REFERENCES:
patent: 3504204 (1970-03-01), Carrive
patent: 4165479 (1979-08-01), Mansfield
patent: 4208624 (1980-06-01), Miller
patent: 4437053 (1984-03-01), Bax
patent: 4628264 (1986-12-01), Reedzian
patent: 4628426 (1986-12-01), Steigerwald
patent: 4635181 (1987-01-01), Bourgeault
patent: 4709317 (1987-11-01), Iizuka et al.
Patent Abstracts of Japan, vol. 5, No. 38, (P--52) [710], 12th Mar. 1981; & JP--A--55 163 464, (FUJITSU), 19--12--1980.

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