Method and apparatus for producing high vacuum

Pumps – One fluid pumped by contact or entrainment with another – Jet pump with motive fluid generating pump

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Details

417158, F04B 2314

Patent

active

048803570

ABSTRACT:
A method and apparatus for obtaining sub-atmospheric pressures including a venturi tube having a first end and a second end, a nozzle located in the first end of the venturi tube for spraying fluids, a collection chamber connected to the second end of the venturi tube for receiving fluids sprayed from the nozzle, a vacuum chamber connected to the first end of the venturi tube, an outlet connected to the collection chamber for removing fluids from the collection chamber, and a pump connected to the outlet for pumping fluids from the outlet to the nozzle.

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