Water ring vacuum pump

Details Water ring vacuum pump Water ring vacuum pump

1989-07-19

1990-08-07

Smith, Leonard E.

Pumps

One fluid pumped by contact or entrainment with another

Contact or entrainment within rotary impeller

417 69, 4171992, 417201, 417205, 415 89, 4151691, F04C 1900, F04B 2308, F04B 2314

Patent

active

049463497

ABSTRACT:
A pumping system comprising a liquid ring vacuum pump including a casing and a rotatable runner. A Pitot pump including a casing, a Pitot tube, an impeller and a drum, the impeller and the drum being rotatably mounted in the casing, and the Pitot tube being mounted within the casing adjacent the outer periphery thereof. A gas passage leads into the vacuum pump, from the vacuum pump into the Pitot pump, and out of said Pitot pump, and a liquid passage leads from the Pitot tube to the vacuum pump. The system further includes a cooler connected to the liquid passage for cooling liquid therein, and a drive motor coupled to rotate the runner, the impeller and the drum.

REFERENCES:
patent: 2940657 (1960-06-01), Adams
patent: 4257749 (1981-03-01), Ramm
patent: 4283005 (1981-08-01), Erickson

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