Smoothly accelerating channel inlet for centrifugal separator
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United States of America Patent
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Oct 25, 2016
Grant Date -
Nov 5, 2015
app pub date -
Feb 11, 2014
filing date -
Feb 15, 2013
priority date (Note) -
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Abstract
An inlet device for a centrifugal separator for directing the liquid mixture that is to be separated from an inlet pipe to a separation chamber is rotatable around a central rotational axis. The inlet device includes a central conical receiving structure arranged around the axis and including a central receiving zone for receiving the liquid mixture from the inlet pipe and wherein the zone surrounds the apex of the conical receiving structure. The inlet device further includes at least one inlet channel for directing the liquid from the receiving zone to the separation chamber, wherein the channel extends from the periphery of the receiving zone and spirals down the outer surface of the conical receiving structure. Further, the at least one inlet channel extends from the receiving zone in a direction that forms an angle α with the tangent of the periphery of the receiving zone and α is less than 90°. Further, the at least one inlet channel extends in a straight radial direction from central rotational axis from the bottom of the central conical receiving structure to an inlet channel outlet, wherein said outlet is configured to be in contact with the separation chamber of said centrifugal separator.
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