Rotor with forward-swept struts for pressure screen cylinders
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United States of America Patent
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Aug 27, 2024
Grant Date -
Oct 26, 2023
app pub date -
Apr 20, 2023
filing date -
Apr 21, 2022
priority date (Note) -
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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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