发明名称 |
BEARING ISOLATOR SEAL WITH ENHANCED ROTOR DRIVE COUPLING |
摘要 |
A bearing isolator seal provides enhanced coupling and stability of the rotor to the shaft, without undue seal enlargement, by including a plurality of drive O-rings in a common retention groove. In embodiments, the isolator seal accommodates axial rotor misalignment up to a maximum permitted axial misalignment, which can be at least 0.025". Embodiments include a labyrinth passage between the rotor and the stator configured to expel fluid by centrifugal force. Embodiments include a shut off feature that takes advantage of axial misalignment. Some embodiments include a unitization feature that holds the rotor and stator together during assembly. The unitization feature can include chamfers on rotor and stator extensions that facilitate assembly and disassembly when sufficient force is applied. |
申请公布号 |
WO2016100771(A1) |
申请公布日期 |
2016.06.23 |
申请号 |
WO2015US66578 |
申请日期 |
2015.12.18 |
申请人 |
FLOWSERVE MANAGEMENT COMPANY |
发明人 |
BENDER, ROBERT PAUL;FERRIS, JASON C.;MEYER, WILLIAM ERIC, JR;BARKER, JOSEPH CHARLES |
分类号 |
F16J15/16;F16C33/76;F16C33/80;F16J15/447 |
主分类号 |
F16J15/16 |
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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