Liquid ring pump with a control disk arranged between the impell

Details Liquid ring pump with a control disk arranged between the impell Liquid ring pump with a control disk arranged between the impell

1982-03-10

1984-04-17

Look, Edward K.

Pumps

One fluid pumped by contact or entrainment with another

Contact or entrainment within rotary impeller

277183, 277212C, F04C 1900

Patent

active

044431589

ABSTRACT:
A liquid ring pump having a control disk interposed between the impeller housing and a cover provided with connecting stubs is disclosed. A seal is interposed between the cover and the control disk and pressed against the control disk by a supporting edge of the cover. The seal further has a central web separating the pressure and the suction spaces formed in the cover. The interior of the impeller housing is sealed from the exterior thereof at the edge resting against the control disk. Sealing at two spaced locations, i.e. at the edge of the housing and between the cover and the control disk, is accomplished with a one-piece seal in accordance with the invention by providing a cup-shaped seal which has at the free end of its circumferential wall a radially outward-extending bead which is pressed against the rim of the impeller housing by an edge of the cover which axially extends beyond the circumferential wall.

REFERENCES:
patent: 2197288 (1940-04-01), Baker
patent: 3367682 (1968-02-01), Meriano

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