Dual-function impeller for a rotary injector
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United States of America Patent
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Nov 5, 2019
Grant Date -
Aug 18, 2016
app pub date -
Sep 26, 2014
filing date -
Sep 27, 2013
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Abstract
The dual-function impeller can be rotated in molten metal in a direction of rotation, as part of a rotary injector. The impeller can have a body having an axis, a plurality of blades circumferentially interspaced around an axis, and an aperture coinciding with the axis. The blades having both a radially extending portion facing the direction of rotation and collectively generating a radial flow component upon said rotation, and a slanted portion also facing the direction of rotation, inclined relative to a radial plane, and collectively generating an axial flow component directed away from the rotary injector upon said rotation.
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