Multi-segment turbocharger bearing housing and methods therefor
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United States of America Patent
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Jun 2, 2020
Grant Date -
Jan 25, 2018
app pub date -
Aug 31, 2017
filing date -
Feb 17, 2012
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Abstract
A method for enclosing a rotating assembly of a turbocharger including providing at least two bearing housing segments which together form a bearing housing including a bearing bore and an insert bore. The method can include machining complementary mating faces of the segments, machining features as required for alignment and fastening of the segments to each other, machining the bearing bore and the insert bore, and machining oil feed passages and oil drain features into at least one segment. The at least one oil feed bore is drilled from the radially inner surface of the corresponding bearing housing segment. The method can further include balancing a rotating assembly, installing the rotating assembly into one of the bearing housing segments, and joining the segments together to enclose the rotating assembly.
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