| 摘要 |
electrohydraulic drives. SUBSTANCE: amplifies consists of housing, spool distributor, differential straight-like magnetostrictive actuating elements, two guide sleeves made of nonmagnetic material, two distributed control windings, two permanent magnets, two parts of control unit and terminals for connecting to pressure head and drain lines, and hydraulic motor. EFFECT: improved accuracy, quick response and reliability. 1 dwg
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