FIELD: hydraulic machines. SUBSTANCE: wicket-gate mechanism has case with top and bottom rings and guide vanes with end seals placed between them. End seals are formed by solid ridges provided on surface of at least one ring of case and bevels at ends of vanes through which they come in tight contact with ridges of case ring to provide reliable form sealing. EFFECT: improved reliability of vane sealing and facilitated manufacture of sealing means. 3 dwg
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|---|---|---|---|
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RU2181442C2 |
| GUIDE VANE ASSEMBLY OF VERTICAL HYDROMACHINE | 1990 |
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| GAS TURBINE WHEEL COOLING DEVICE | 2000 |
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RU2174606C2 |
