| 摘要 |
sealing technology; sealing revolving shafts in inner cavities of gas- and steam-turbine plants, compressors, rotary machines and other units. SUBSTANCE: circular seal includes movable interconnected parallel disks forming cavity communicated with low-pressure zone. Thrust bush with sealing units is fitted between disks. Sealing units form cavity communicated with high-pressure zone. EFFECT: enhanced reliability of sealing. 6 cl, 4 dwg
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