Multistage axial flow pumps and compressors

Details Multistage axial flow pumps and compressors Multistage axial flow pumps and compressors

1995-03-09

1996-10-08

Look, Edward K.

Rotary kinetic fluid motors or pumps

Runner has spirally arranged blade or fluid passage

Extending along runner axis

4151993, 415221, F04D 3100

Patent

active

055624057

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.

REFERENCES:
patent: 1554591 (1925-09-01), Oliver
patent: 2749027 (1956-06-01), Stalker
patent: 3442220 (1969-05-01), Mottram et al.
patent: 3910728 (1975-10-01), Sloan
patent: 4029438 (1977-06-01), Sloan
patent: 4080096 (1978-03-01), Dawson
patent: 4830584 (1989-05-01), Mohn
patent: 5222863 (1993-06-01), Jones
patent: 5425617 (1995-06-01), Teran
"Poseidon Multiphase Technology", World Pumps, No. 319, pp. 16-17, Oxford.

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