FIELD: vibrating machinery used in civil engineering, mining and other industries. SUBSTANCE: in unbalanced vibrator with electromagnetic device for relieving bearings of unbalanced weight shaft from centrifugal force, including circular electromagnets installed in vibrator body, each electromagnet is made with pair of explicit poles and located between them is bias winding. Each pair of electromagnet poles forms closed magnetic circuit with pair of explicit poles located on rotor at side which is opposite to unbalanced weight. Electromagnets are installed in body coaxially with shaft. Poles of electromagnet can be made of electrical sheet steel laminations. Due to passing of magnetic flow along shortest way bypassing unbalanced weight and body, ensured is possibility of manufacturing unbalanced weight from common structural materials and reduction of loss in magnetic circuit. EFFECT: high efficiency. 1 cl, 3 dwg
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