Liquid ring vacuum pump for gaseous media

Details Liquid ring vacuum pump for gaseous media Liquid ring vacuum pump for gaseous media

1984-07-09

1985-10-08

Gluck, Richard E.

Pumps

One fluid pumped by contact or entrainment with another

Contact or entrainment within rotary impeller

F04C 1900

Patent

active

045457301

ABSTRACT:
For improved operation of a liquid ring vacuum pump at lower suction pressures and avoiding erosion damage while eliminating pressure booster pumps or scooping tubes in circular operation as well as for simplified external control of the working liquid, an inflow channel is milled into the control disc behind the suction slot on the side facing the impeller, which channel is in communication with a pressurized liquid passage for gap sealing pressurized liquid. The pressurized liquid feed line is connected to a separator or to the machine sump. For improving the efficiency or the liquid output at higher suction pressures, a relief passage is also provided in the control disc above the pressure slot.

REFERENCES:
patent: Re29747 (1978-08-01), Roe et al.
patent: 1180613 (1916-04-01), Siemen
patent: 1662250 (1928-03-01), Jennings
patent: 3721508 (1973-03-01), Mugele
patent: 3884596 (1975-05-01), Hoffmeister
patent: 4273515 (1981-06-01), Fitch
patent: 4323334 (1982-04-01), Haavik
patent: 4392783 (1983-07-01), Jozepaitis
Vacuum Pumps and Compressors, Siemens-System ELMO-F, No. E 727/1013.101, (May 1979).

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