Coupling turbochargers for passive pre-swirl counter-rotation
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United States of America Patent
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Mar 5, 2013
Grant Date -
Mar 11, 2010
app pub date -
Aug 31, 2009
filing date -
Sep 10, 2008
priority date (Note) -
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Abstract
A turbocharger with a high pressure (HP) and low pressure (LP) stage, designed such that swirl in a conduit providing fluid communication between the LP compressor outlet and the HP compressor inlet is received by the second stage compressor counter to the direction of rotation of the second stage compressor wheel. This is achieved without requiring vanes such as inlet guide vanes, and thus is highly efficient as well as free of blockage and excitation.
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