Liquid driven pump or propulsive apparatus

Details Liquid driven pump or propulsive apparatus Liquid driven pump or propulsive apparatus

1985-10-11

1987-10-27

Look, Edward K.

Pumps

One fluid pumped by contact or entrainment with another

Diverse pumps

43 45, 43 65, 417 90, 417179, 417181, 417197, 417198, F04F 522

Patent

active

047026766

ABSTRACT:
The apparatus relates to a jet pump or apparatus which displaces a main fluid by a pressurized driving liquid. The apparatus has a duct to receive the main fluid, and a driving liquid manifold cooperating with the duct to receive the pressurized driving liquid. First and second sets of inwardly facing jet nozzles are disposed adjacent a transverse plane of the duct and penetrate the duct side walll to pass the driving liquid into the duct at a mixing portion of the duct having a constant cross-sectional area. The first and second sets of jet nozzles are inclined at angles to the duct axis so that the first nozzles are inclined at a greater angle than the second nozzles. Efficiency of the pump is improved by admitting pressurized gas into the duct and providing the pump with a diverging outlet portion to act as diffuser.

REFERENCES:
patent: 284962 (1883-09-01), Huston
patent: 631007 (1899-08-01), Farrar
patent: 3655298 (1972-04-01), Baker
patent: 3857651 (1974-12-01), Bruno
patent: 4028009 (1977-06-01), Gudzenko et al.
patent: 4155682 (1979-05-01), Hillis
patent: 4379679 (1983-04-01), Guile
patent: 4558990 (1985-12-01), Roach

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