Anisotropic bearing supports for turbochargers
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United States of America Patent
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Feb 21, 2012
Grant Date -
Apr 30, 2009
app pub date -
Oct 31, 2007
filing date -
Oct 31, 2007
priority date (Note) -
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status (Latency Note)
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Abstract
An exemplary anisotropic member (625, 1200, 1600, 1700, 1800, 1950) supports a bearing in a bore and can reduce non-synchronous vibration (NSV) of the bearing in the bore. An exemplary anisotropic member includes an annular body configured to receive a bearing and to space the bearing a distance from a bore surface and is configured to impart anisotropic stiffness and damping terms to the bearing when positioned in the bore. Such a member is suitable for use in a rotating assembly for a turbocharger where the bearing may be a floating bearing, a semi-floating bearing or a ball bearing. Various exemplary members, bearings, housings, assemblies, etc., are disclosed.
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