Liquid ring pumps with rotating liners

Details Liquid ring pumps with rotating liners Liquid ring pumps with rotating liners

1993-01-14

1994-03-22

Bertsch, Richard A.

Pumps

One fluid pumped by contact or entrainment with another

Contact or entrainment within rotary impeller

4151731, 417 69, F04C 1900

Patent

active

052957942

ABSTRACT:
Liquid ring pumps with rotating liners supported by a bearing fluid (pressurized liquid or compressed gas) have a bearing fluid distribution system that compensates for the radially unsymmetric load on the rotating liner. If the liner bearing fluid is compressed gas, the axial ends of the liner may be either open and unsealed so that expended bearing gas escapes into the liquid ring in the pump, or the axial ends of the liner may be partly closed by radially inwardly extending end plates. Various mechanical and/or liquid seal structures may be used in conjunction with the end plates to seal the axial ends of the liner and/or to flush the clearances adjacent the axial ends of the liner.

REFERENCES:
patent: 2609139 (1952-09-01), Kollsman
patent: 5100300 (1992-03-01), Haavik
patent: 5197863 (1993-03-01), Dardis et al.
patent: 5217352 (1993-06-01), Haavik
V. D. Lubenets et al., "Results of Testing a Liquid Ring Pump With a Rotating Liner," Vacuum Physics and Technology, 1974, pp. 191-194.
V. D. Lubenets et al., "Effect of a Rotating Liner on the Characteristics of a Liquid Ring Machine," Khimicheskoe i Neftyanoe Mashinostroenie, No. 3, pp. 16-18, Mar. 1984.

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