Demagnetizing device especially for naval vessels

Details Demagnetizing device especially for naval vessels Demagnetizing device especially for naval vessels

B - Operations, Transporting

63

G

317/29

B63G 9/06 (2006.01) H01F 13/00 (2006.01)

Patent

CA 1283163

A B S T R A C T The invention concerns demagnetization devices used in particular for demagnetizing vessels or submarines in fixed stations, wherein one embodi- ment comprises:three sets of conductors for demagnetizing a vessel accord- ing to three directions; a direct current generator; an array of capaci- tors, a bridge switching device; an inductance coil; a switch allowing to select one of the three assemblies of conductors; a servo device for controlling the charge voltage of the array of capacitors; magnetometers; and a screen and keyboard allowing especially to supply a microprocessor with a reference value fixing the value of the desired residual magnetization; the demagnetization consisting of sending into each set of conductors a sequence of discharges, of smaller and smaller intensity and servo-controlled to the value of the remaining magnetization, in order to cause the magnetization to converge towards the desired value.

519190

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