发明名称 |
SEAL OF BLADE OF IMPELLER OF PROPELLER HYDRAULIC TURBINE |
摘要 |
FIELD: hydraulic machine building. SUBSTANCE: seal of blade of impeller of propeller hydraulic turbine has outer and inner pressure rings, elastic cups with circular sections bent in opposite directions, embracing sealed surface of flange of blade and separated one from another by rigid separating ring set immobile on body of bushing of impeller. Separating ring is fitted with guiding bushings and is biconvex in zone of cup contact with surfaces of pressure rings beveled to different sides. EFFECT: enhanced operational reliability of seal thanks to considerable reduction of probability of leaks of oil and water, prolonged overhaul period. 4 cl, 2 dwg
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申请公布号 |
RU2211388(C2) |
申请公布日期 |
2003.08.27 |
申请号 |
RU20010103080 |
申请日期 |
2001.02.02 |
申请人 |
OBSHCHESTVO S OGRANICHENNOJ OTVETSTVENNOST'JU "GID;RORESURS |
发明人 |
MOROZOV V.N.;KRASNOSHCHEKOV I.L.;ROMANOV A.A.;IGNATUSHIN A.V. |
分类号 |
F16J15/00;F03B3/00;(IPC1-7):F16J15/00 |
主分类号 |
F16J15/00 |
代理机构 |
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代理人 |
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地址 |
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