FIELD: electrical engineering.
SUBSTANCE: proposed electromagnet has magnetizing coil and magnetic system with working air gap incorporating permanent magnet, as well as case, core, armature, supporting and through flanges, all made of magnetically soft material; permanent magnet encloses part of core or armature; it is magnetized along magnetic system axis; two magnetic shunts abutting against butt-end surfaces of permanent magnet are secured on core or armature , respectively, and are made of magnetically soft material; magnetic flux built up by permanent magnet within working air gap is unidirectional with that created by coil.
EFFECT: enhanced speed of direct-current electromagnet.
1 cl, 2 dwg
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SU1001198A2 |
