Electromagnetic coil array having three orthogonally related coi

Details Electromagnetic coil array having three orthogonally related coi Electromagnetic coil array having three orthogonally related coi

1991-01-10

1991-07-16

Strecker, Gerard R.

Electricity: measuring and testing

Magnetic

With means to create magnetic field to test material

324232, 324262, 361146, 361149, G01R 3312, H01F 1300, G01N 2772

Patent

active

050327925

ABSTRACT:
An array of nested sets of electromagnetic coils. Each set of two coils is useable both as Helmholtz coils and as deGaussing coils. In each set, the two coils are wound in the same direction and the two coils are on a common axis. The common axes of the three sets are mutually orthogonal. For each set of two coils, the outer two ends of the two coils are connected to two single terminals, while the inner two ends of the two coils are connected to one common terminal. By connecting one side of a DC power supply to one single terminal, and by connecting the other side of the DC power supply to the other single terminal, each set of two coils will operate as Helmholtz coils. By connecting one side of a DC power supply to parallel variable resistors, each resistor in turn being connected to a single terminal, and by connecting the other side of the DC power supply to the common terminal, each set of two coils will operate as deGaussing coils.

REFERENCES:
patent: 2105650 (1938-01-01), Hering et al.
patent: 3375438 (1968-03-01), Auer
patent: 3389333 (1968-06-01), Wolff et al.
patent: 4290016 (1981-09-01), Lorenzi
patent: 4575695 (1986-03-01), Schloemann

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