Multistage axial flow pumps and compressors
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United States of America Patent
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-
Oct 8, 1996
Grant Date -
N/A
app pub date -
Mar 9, 1995
filing date -
Mar 10, 1994
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A multistage axial flow pump or compressor comprises at least one stage (10) including a rotor (16) and a stator (20). The rotor (16) is arranged to impart whirl in one direction, while the stator (20) is arranged to impart whirl in the opposite direction. This arrangement is useful in providing comparatively high stage pressures for a given rotor tip velocity with relatively low rotor vane hydraulic loadings. The arrangement is also useful in pumping multiphase fluids.
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