Turbocharger and method of manufacturing floating bush
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United States of America Patent
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Aug 8, 2017
Grant Date -
Jan 9, 2014
app pub date -
Feb 13, 2012
filing date -
Mar 29, 2011
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Abstract
A turbocharger and a method of manufacturing a floating bush with which noise can be reduced, and the rotation speed can be increased. In a turbocharger in which a rotating shaft having a circular cross-section and connecting a turbine rotor and a compressor rotor is supported in a freely rotatable manner, at two axially separated positions via floating bushes, by an inner circumferential surface disposed so as to surround the rotating shaft in a bearing housing, an inner circumferential surface of each of the floating bushes has a non-circular shape in which the curvature of the cross-sectional shape varies in the circumferential direction.
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