FIELD: electricity.
SUBSTANCE: invention relates to electrical engineering and can be used for making devices with a uniform field, the range of which is comparable or exceeds its transverse size. The uniform solenoid consists of an exciting coil (1) with a rectangular cross-section and an external magnetic core. The external magnetic core consists of a cylindrical cover (2) and two frontal flanges (3), the inner surfaces (5) of which are magnetic poles. Thickness of the external magnetic core is equal to the inner radius of the exciting coil. The external magnetic core reduces magnetic resistance of the external magnetic circuit and increases uniformity of magnetic field between poles.
EFFECT: increased uniformity of magnetic field.
4 dwg
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