Bearing housing shroud
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United States of America Patent
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Oct 7, 2014
Grant Date -
Sep 19, 2013
app pub date -
Apr 24, 2013
filing date -
Apr 19, 2010
priority date (Note) -
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Abstract
A turbocharger including a turbine wheel having a hub-to-tip ratio of no more than 60% and blades with a high turning angle, a turbine housing forming an inwardly spiraling primary-scroll passageway that significantly converges to produce highly accelerated airflow into the turbine at high circumferential angles, and a two-sided parallel compressor. The compressor and turbine each produce substantially no axial force, allowing the use of minimal axial thrust bearings. The bearing housing forms a shroud for the internal side of the compressor wheel.
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