Check valve structures for liquid ring pumps

Details Check valve structures for liquid ring pumps Check valve structures for liquid ring pumps

1993-09-29

1994-10-18

Bertsch, Richard A.

Pumps

One fluid pumped by contact or entrainment with another

Contact or entrainment within rotary impeller

F04C 1900

Patent

active

053562682

ABSTRACT:
In a liquid ring pump having a port member with at least one auxiliary gas discharge port in addition to the main gas discharge port, an auxiliary gas discharge conduit is provided to extend the auxiliary gas discharge port so that a relatively large check valve can be more easily provided for the auxiliary port. The auxiliary discharge conduit is preferably provided in the head member of the pump, and it preferably extends away from the auxiliary port in a generally radial direction. This allows the check valve to be placed at a less congested location in the pump, which facilitates provision of a larger check valve and also access to the check valve for such purposes as maintenance of the check valve.

REFERENCES:
patent: 1180613 (1913-03-01), Siemen
patent: 1278700 (1918-09-01), McFarlane
patent: 2344396 (1944-03-01), Dardalet
patent: 2453373 (1948-11-01), Kollsman
patent: 3366314 (1968-01-01), Schroder
patent: 3721508 (1973-03-01), Mugele
patent: 3884596 (1975-05-01), Hoffmeister
patent: 4498844 (1985-02-01), Bissell et al.
patent: 5073089 (1991-12-01), Trimborn

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