Centrifugal separator having a forcing device to create a radial leak flow
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United States of America Patent
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Apr 3, 2018
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app pub date -
Aug 31, 2012
filing date -
Sep 8, 2011
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Abstract
A centrifugal separator includes a frame and a rotating part including a spindle and a centrifuge rotor enclosing a separation space. An inlet channel provides fluid communication into the separation space and includes a rotary channel part, a frame channel part, and a first seal at the interface between the rotary and frame channel parts. An outlet channel provides fluid communication out from the separation space and includes a rotary channel part, a frame channel part, and a second seal at the interface between the rotary and frame channel parts. The inlet and outlet channels are arranged concentrically with each other. A forcing device is provided to generate a leak flow through one of the first and second seals in a first direction from the outlet channel to the inlet channel and to counteract leakage in the opposite direction.
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