Two-stage liquid ring pumps having separate gas and liquid inlet

Details Two-stage liquid ring pumps having separate gas and liquid inlet Two-stage liquid ring pumps having separate gas and liquid inlet

1997-01-30

1999-05-04

Thorpe, Timothy

Pumps

One fluid pumped by contact or entrainment with another

Contact or entrainment within rotary impeller

417 69, F04C 1900

Patent

active

058996680

ABSTRACT:
A two-stage liquid ring pump has an interstage structure which promotes separation of the gas and liquid discharged from the first stage. The second stage has separate gas and liquid inlets for respectively admitting the separated gas and liquid to the second stage. This avoids any possible choking of the second stage gas inlet by liquid, thereby improving the performance of the pump.

REFERENCES:
patent: 2178994 (1939-11-01), Inglis
patent: 3108738 (1963-10-01), Luhmann
patent: 3642384 (1972-02-01), Huse
patent: 3884596 (1975-05-01), Hoffmeister
patent: 4132504 (1979-01-01), Fitch
patent: 4273515 (1981-06-01), Fitch
patent: 4323334 (1982-04-01), Haavik
patent: 4521161 (1985-06-01), Olsen et al.
patent: 4685865 (1987-08-01), Auschrat
patent: 5131817 (1992-07-01), Pastore, Jr.

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