Compositions: ceramic – Ceramic compositions
Patent
1988-06-23
1991-11-19
Strecker, Gerard R.
Compositions: ceramic
Ceramic compositions
73504, 74 5R, 324160, 324163, 324248, 505842, 505872, G01P 900, G01P 344, G01C 1900, G01R 33035
Patent
active
050666371
ABSTRACT:
A cryogenic gyroscope for detecting the angular velocity of a rigid system without reference to an external inertial system comprises a closed rigid casing made of a sueprconducting material and kept below its critical superconducting temperature, for example, by immersion in a bath of liquid helium. A rotation-detector device is situated within the superconductor casing. This device, which is rigidly supported by the wall of the casing, includes at least one component of ferromagnetic material, constituted by a plurality of ferromagnetic strips intercalated with layers of electrically-insulating material.
REFERENCES:
patent: 3220262 (1965-11-01), Thompson
patent: 3297948 (1967-01-01), Kohler
patent: 3673872 (1972-07-01), Ensley
"Dizlonario D'Ingegnelia", pp. 934-938, Federico Filippi, X RIP-5, Unione Tipografico-Editrice Torinese.
"Encyclopedia of Chemical Technology", 3rd Ed, vol. 22, Ed, vol. 22, Kirk-Othmer, pp. 298, 331.
Brady, R. M., A Superconducting Gyroscope with no Moving Parts, IEEE Transactions on Magnetics, vol. MAG-17, No. 1, Jan. 1981, pp. 861, 862.
Cerdonio Massimo
Vitale Stefano
AERITALIA -Societa Aerospaziale Italiana S.p.A.
Strecker Gerard R.
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