ROTOR WITH FORWARD-SWEPT STRUTS FOR PRESSURE SCREEN CYLINDERS
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United States of America
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Issued Date -
Oct 31, 2024
app pub date -
Jul 12, 2024
filing date -
Jul 12, 2024
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Abstract
The present disclosure is directed to rotors for pressure screens with cylinders for screening solid contaminants from a solid slurry. The rotor includes a cylindrical hub, a plurality of foils spaced radially outward from the hub, and a plurality of struts coupling the plurality of foils to the hub. The struts include a forward edge having a forward-swept shape that creates streamlines that move contaminants and fibers from the general local flow field and those dislodged from the inner surface of the pressure screen cylinder radially inboard towards the hub. The streamlines produced by the forward-swept struts can reduce or prevent deposition of solid contaminants on the forward edge of the strut and on the leading edge of the foil. The struts can also include a release region proximate the inboard end of the strut.
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