发明名称 |
A SHAFT SEAL |
摘要 |
The present invention relates to a shaft seal (1) comprising a sealing element (14) mounted co-axially to a rotary sealing ring (10) to form a primary seal between opposed faces thereof to substantially prevent fluid flow across the primary seal. The sealing element (14) is urged axially towards the rotary ring (10) by a springs (15) acting between a pusher sleeve (15) connected to the sealing element (14) and a seal housing (19). A secondary seal formed between the pusher sleeve (15) and the housing (19) by a sealing member (20) located in a channel (21) in the pusher sleeve (15).
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申请公布号 |
CA2218538(A1) |
申请公布日期 |
1996.10.24 |
申请号 |
CA19962218538 |
申请日期 |
1996.04.22 |
申请人 |
DRESSER-RAND COMPANY;HOLDCROFT, JAMES GERALD |
发明人 |
AUBER, PHILIPPE JACQUES |
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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