Liquid ring pump with conical or cylindrical port member

Details Liquid ring pump with conical or cylindrical port member Liquid ring pump with conical or cylindrical port member

1983-08-08

1985-02-12

Look, Edward K.

Pumps

One fluid pumped by contact or entrainment with another

Contact or entrainment within rotary impeller

F04C 1900

Patent

active

044988443

ABSTRACT:
A liquid ring pump with a conical or cylindrical port member has a vent-recirculation port in the port member in addition to the conventional intake and discharge ports. The vent-recirculation port communicates with the compression zone of the pump and is connected to a reservoir of pumping liquid maintained in the discharge portion of the pump head. When the pump is operating at relatively low compression ratios, the vent-recirculation port acts as a vent to prevent overcompression of the gas in the pump. At relatively high compression ratios, the vent-recirculation port recirculates pumping liquid from the reservoir, thereby increasing the maximum attainable compression ratio.

REFERENCES:
patent: 1180613 (1916-04-01), Siemen
patent: 2344396 (1944-03-01), Dardelet
patent: 2453373 (1948-11-01), Kollsman
patent: 3154240 (1964-10-01), Jennings
patent: 3217975 (1965-11-01), Jennings
patent: 3348766 (1967-10-01), Mugele
patent: 3366314 (1968-01-01), Schroder
patent: 3707337 (1972-12-01), Segebrecht
patent: 3721508 (1973-03-01), Mugele
patent: 3884596 (1975-05-01), Hoffmeister
patent: 4392783 (1983-07-01), Jozepaitis

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