Venturi pumping device

Details Venturi pumping device Venturi pumping device

1999-12-29

2000-11-14

Freay, Charles G.

Pumps

One fluid pumped by contact or entrainment with another

Jet

417181, 417151, F04F 536

Patent

active

061461059

ABSTRACT:
A venturi type pumping device including a body having a tubular through bore between a bore inlet end and a bore outlet end, a restriction in the bore acting to produce a reduction in pressure downstream from the restriction, a delivery device for the delivery from a delivery outlet of a pressurized stream of liquid substantially axially aligned with the bore and upstream from the bore inlet end, a bore extension member which terminates upstream from and encloses the delivery outlet, and a mounting device provided on the body for sealing engagement of the bore extension member to the body.

REFERENCES:
patent: 1643025 (1927-09-01), Meggenhofen
patent: 1842043 (1932-01-01), Modra
patent: 2044088 (1936-06-01), Lord
patent: 3323468 (1967-06-01), Thompson
patent: 4963073 (1990-10-01), Tash et al.
patent: 4988389 (1991-01-01), Adamache et al.
patent: 5797421 (1998-08-01), Merrett

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