发明名称 |
END FACE SEAL |
摘要 |
FIELD: chemical, oil producing and other industries; sealing devices for rotating shafts of pumps, machines and apparatuses. SUBSTANCE: end face of stationary ring has ring projection which gets into ring groove of rotating ring. Delivery blades are made on end face surface of projection with pitch Pt. Sealed medium getting into ring groove is returned into sealed space along longitudinal channels and radial spaces under action of delivery blades building additional pressure. All this provides decrease in sealed medium leaks outside through end face seal. EFFECT: enhanced reliability of end face seal. 4 dwg
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申请公布号 |
RU2146023(C1) |
申请公布日期 |
2000.02.27 |
申请号 |
RU19980115030 |
申请日期 |
1998.07.31 |
申请人 |
ROVODOV "DRUZHBA";ROVODOV DRUZHBA |
发明人 |
STRELETS VLADIMIR NIKOLAEVICH;SMAL'KO MIKHAIL ANATOLIEVICH;ZAVGORODNIJ PETR FEDOROVICH;BUNJAK LJUBOMIR KONSTANTINOVICH;POKHIL'CHUK IGOR' ALEKSANDROVICH |
分类号 |
F16J15/34;(IPC1-7):F16J15/34 |
主分类号 |
F16J15/34 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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