发明名称 |
Axial thrust balancing system for a centrifugal compressor, having improved safety characteristics |
摘要 |
An axial thrust balancing system for a centrifugal compressor, having improved safety characteristics, the centrifugal compressor comprising a rotor having impellers adjacent to each other and connected by a shaft, the rotor rotating in a stator, the centrifugal compressor additionally including a balancing piston, a balancing line being provided between an intake of a first compression stage and an area downstream of the balancing piston; this system comprises an intake mechanical gas seal around the shaft upstream of the first compression stage and an outlet mechanical gas seal downstream of the balancing piston, the balancing line being closable by blocking elements.
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申请公布号 |
US7004719(B2) |
申请公布日期 |
2006.02.28 |
申请号 |
US20030691554 |
申请日期 |
2003.10.24 |
申请人 |
NUOVO PIGONE HOLDING S.P.A. |
发明人 |
BALDASSARRE LEONARDO;BETTI DAVIDE;FUSI LEONARDO |
分类号 |
F04D17/12;F04D29/056;F04D29/04;F04D29/12;F04D29/22;F16J15/34 |
主分类号 |
F04D17/12 |
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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