Eductor pump and process

Details Eductor pump and process Eductor pump and process

1982-11-15

1985-03-19

Look, Edward K.

Pumps

One fluid pumped by contact or entrainment with another

Jet

417178, F04F 500

Patent

active

045056463

ABSTRACT:
An eductor pump for withdrawing a feed liquid from a container, comprising a tubular body having a venturi element mounted inside and near the lower end of the tubular body; a conduit for feeding a drive liquid to the venturi element so that the drive liquid can flow through the venturi element and be directed upwardly in the tubular body; a feed liquid access opening in the closed lower end of the tubular body and a passageway from said access opening to the upstream side of the venturi element whereby feed liquid can be inspirated into upward flow, and admixture with, a stream of drive liquid flowing out of the venturi element; an outlet to remove a mixed stream of feed liquid and drive liquid from the upper part of the tubular body; and a one way valve mounted in the feed liquid access opening.

REFERENCES:
patent: 1693101 (1928-11-01), Worthington
patent: 2029457 (1936-02-01), Beardmore
patent: 2178898 (1939-11-01), Schellin et al.
patent: 2489636 (1949-11-01), Gurley
patent: 3062149 (1962-11-01), Jacuzzi
patent: 3799299 (1974-03-01), Cohen
patent: 3955901 (1976-05-01), Hamilton

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