Vortex valves
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United States of America Patent
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-
Aug 16, 1994
Grant Date -
N/A
app pub date -
Apr 28, 1993
filing date -
Oct 29, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A vortex valve includes a housing having a cylindrical side wall and opposite ends to define a vortex chamber. The sidewall of the housing has a primary tangential inlet through which liquid may enter the vortex chamber in a manner to promote swirl within the vortex chamber and an outlet at one axial end of the vortex chamber. The outlet represents at least 50% of the area of the end of the vortex chamber in which it is situated and in the vortex chamber has a length which is at least one and a half times the diameter of the outlet. The vortex valve requires only a low head to initiate vortex flow.
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