Liquid-ring pump having an outlet means including a noise reduci

Details Liquid-ring pump having an outlet means including a noise reduci Liquid-ring pump having an outlet means including a noise reduci

1992-12-16

1994-04-05

Bertsch, Richard A.

Pumps

One fluid pumped by contact or entrainment with another

Contact or entrainment within rotary impeller

417312, F04B 3900

Patent

active

052999165

ABSTRACT:
The present invention relates to a liquid-ring pump which effectively dampens noise by providing a blocking element arranged in its compression space in the flow path between the mouth of its output port and the outlet opening of its discharge connection. The blocking element covers this outlet opening and has a flow-through opening. The cross-section of the flow-through opening automatically adapts to the quantity of medium delivered by the pump at any given time.

REFERENCES:
patent: 1180613 (1916-04-01), Siemen
patent: 3366314 (1968-01-01), Schroder
patent: 4537567 (1985-08-01), Kawaguchi et al.
patent: 4539879 (1986-03-01), Uetuji et al.
patent: 4992028 (1991-02-01), Schoenwald

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