Pumps – One fluid pumped by contact or entrainment with another – Contact or entrainment within rotary impeller
Patent
1990-03-22
1992-07-21
Bertsch, Richard A.
Pumps
One fluid pumped by contact or entrainment with another
Contact or entrainment within rotary impeller
417205, 417243, 418 1, 418 97, F04C 1900
Patent
active
051318172
ABSTRACT:
In a gas pumping system including a first stage rotary lobe pump for pumping gas to a second stage liquid ring pump, cooling liquid is injected into the compression zone of the rotary lobe pump so that the liquid mixes intimately with the gas being compressed in that zone and reduces the temperature rise of the gas in that zone in order to reduce heat transfer from that gas to the lobes of the rotary lobe pump.
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Bertsch Richard A.
Jackson Robert R.
Kocharov Michael I.
The Nash Engineering Company
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