Liquid driven pump or propulsive apparatus
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United States of America Patent
Stats
-
Oct 27, 1987
Issued Date -
N/A
app pub date -
Oct 11, 1985
filing date -
Oct 15, 1984
priority date (Note) -
Expired
status (Latency Note)
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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.
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