发明名称 |
PISTON SEALING DEVICE |
摘要 |
FIELD: sealing technology; sealing pistons of machines and mechanisms. SUBSTANCE: device includes two rings concentrically located in piston groove and expander made in form of stack of spiral springs. Working piston ring has grooves on inner cylindrical surface; grooves have inclined surfaces receiving wedge-shaped projections of additional ring. Cylindrical springs located between surfaces of projections and grooves located in radial planes act on piston ring making it interact with additional ring over inclined surfaces of grooves and projections, move away from additional ring and get pressed against cylinder face, thus creating sealing effect of device. EFFECT: enhanced efficiency of sealing. 3 dwgi
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申请公布号 |
RU2103573(C1) |
申请公布日期 |
1998.01.27 |
申请号 |
RU19960108594 |
申请日期 |
1996.04.29 |
申请人 |
GORSHKOV VLADIMIR NIKOLAEVICH;KALINNIKOV NIKOLAJ JAKOVLEVICH;IVASHENTSEV GENNADIJ ALEKSEEVICH |
发明人 |
GORSHKOV VLADIMIR NIKOLAEVICH;KALINNIKOV NIKOLAJ JAKOVLEVICH;IVASHENTSEV GENNADIJ ALEKSEEVICH |
分类号 |
F16J9/00;(IPC1-7):F16J9/00 |
主分类号 |
F16J9/00 |
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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