Pumps – One fluid pumped by contact or entrainment with another – Contact or entrainment within rotary impeller
Patent
1984-12-21
1985-11-05
Freeh, William L.
Pumps
One fluid pumped by contact or entrainment with another
Contact or entrainment within rotary impeller
F04C 1900
Patent
active
045510709
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.
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Bilik Charles W.
Johnson Herbert H.
Jozepaitis Charles M.
Olsen Ole B.
Freeh William L.
Jackson Robert R.
Neils Paul F.
Plant David W.
The Nash Engineering Company
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