Encased magnetic core impregnated

Claim 1

IN AN ENCASED MAGNETIC CORE SUITABLE FOR EFFECTIVE USE AT TEMPERATURE OF FROM ABOVE 100*C. TO -65* C., IN COMBINATION, A SEALED NON-MAGNETIC ENCLOSURE CONSISTING OF AN ELECTRICALLY INSULATING MATERIAL, HAVING WALLS FORMING A TOROIDAL CHAMBER, A TOTOIDALLY WOUND MAGNETIC CORE COMPRISING A MAGNETIC MATERIAL HIGHLY SENSITIVE TO STRAINS, INCLUDING STRAINS INDUCED BY VIBERATION, DISPOSED WITHIN THE TOROIDAL CHAMBER IN THE SEALED ENCLOSURE, THE TURNS OF THE CORE BEING FREE AND NOT BONDED TO ONE ANOTHER, THE MAGNETIC CORE BEING FREELY DISPOSED WITH A CLEARENCE BETWEEN THE WALLS OF THE ENCLOSURE AND THE MAGNETIC CORE, AND A SILICONE OIL FILLING THE SEALED ENCLOSURE, THE SILICONE OIL HAVING A VISCOSITY O FROM 50 TO 40,000 CENTISTOKES AT 25* C. AND SERVING TO DAMPEN THE MAGNETIC CORE, THEREBY ELIMINATING STRAINS THEREFROM, THE SILICONE OIL COMPOSED OF A PHENYL METHYL SILICONE WHERIN THE PHENYL GROUPS COMPRISE FROM 1 TO 20 MOL PERCENT OF THE TOTAL PHENYL AND METHYL GROUPS, THE OIL OF A VISOCITY OF FROM 50 TO 1,000 CENTISTOKES BEING ADMIXED WITH FROM 15% TO 1%, BASED ON THE WEIGHT OF THE OIL OF A FINELY DIVIDED FILLER OF AN AVERAGE PARTICLE SIZE OF LESS THAN ONE MICRON, THE LARGEST AMOUNT OF FILLER BEING ADMIXED WITH THE LOWEST VISOCOSITY OILS.