Electricity: electrical systems and devices – Control circuits for electromagnetic devices – Systems for magnetizing – demagnetizing – or controlling the...
Patent
1988-03-09
1989-05-09
Gellner, Michael L.
Electricity: electrical systems and devices
Control circuits for electromagnetic devices
Systems for magnetizing, demagnetizing, or controlling the...
361267, H01F 1300
Patent
active
048293970
ABSTRACT:
An apparatus for demagnetizing parts after they have been subjected to the action of a magnetic field having coils (1,2) connected to an a-c power supply source and disposed one inside the other at one and the same angle with respect to a trough (3) extending through the inner coil. The coils (1,2) are mounted in such a manner that the angle (.alpha.) therebetween can be adjusted.
REFERENCES:
patent: 3110282 (1963-11-01), Foerster
patent: 3506884 (1970-04-01), McKinley
patent: 3583052 (1971-06-01), Herbenar et al.
Bower, W. F., "Demagnetizing Parts of Anti-Friction Bearings" In: Elec. Wd (Feb. 2, 1946), pp. 86-87.
Barab-Tarle Matus E.
Gamarnik Iosif I.
Khinkus Alexandr S.
Rashkovich Mikhail P.
Trostanovsky Boris A.
Gellner Michael L.
Gray David
Odesskoe Spetsialnoe Konstruktorskoe Bjuro Spetsialnykh Stankov
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