Liquid ring pump having a sheet metal valve plate

Details Liquid ring pump having a sheet metal valve plate Liquid ring pump having a sheet metal valve plate

1994-09-21

1996-02-06

Bertsch, Richard A.

Pumps

One fluid pumped by contact or entrainment with another

Contact or entrainment within rotary impeller

417DIG1, 29890132, F04C 1900, F04B 5316

Patent

active

054891957

ABSTRACT:
Liquid-ring gas pump with a working chamber in which an impeller (6) rotates and which is bounded axially by a control plate (7) past which the impeller (6) moves with a small clearance and which has at least one intake and/or discharge opening (21, 22, 23) and is composed of rolled sheet. According to the invention, the edges (26) of the intake and discharge openings are at least in part bent over towards the side facing away from the impeller (6) and are rounded on the side facing the impeller and raised on the side facing away from it.

REFERENCES:
patent: 4443158 (1984-04-01), Bentele et al.
patent: 4817265 (1989-04-01), Trimborn
patent: 4854024 (1989-08-01), Grieb et al.

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