Noise control for conically ported liquid ring pumps

Pumps – One fluid pumped by contact or entrainment with another – Contact or entrainment within rotary impeller

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Details

F04C 1900

Patent

active

045211612

ABSTRACT:
In liquid ring pumps having conical port members, cavitation and associated operating noise are reduced by providing a second subsidiary discharge port beyond the closing edge of the main discharge port in the direction of rotor rotation.

REFERENCES:
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patent: 3352483 (1967-11-01), Allen
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patent: 3721508 (1973-03-01), Mugele
patent: 3743443 (1973-07-01), Jennings
patent: 3884596 (1975-05-01), Hoffmeister
patent: 4251190 (1981-02-01), Brown et al.
patent: 4273515 (1981-06-01), Fitch
patent: 4392783 (1983-07-01), Jozepaitis

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