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公开(公告)号：US20190112927A1
公开(公告)日：2019-04-18
申请号：US15782453
申请日：2017-10-12
Applicant: BORGWARNER INC.
Inventor： Laskhmi Srikar Yellapragada , David George Grabowska
Abstract: A turbine wheel includes a hub, a plurality of blades extending from the hub, and a backwall extending from the hub and having an outer diameter. The backwall includes a first backwall surface and an opposing second backwall surface. The first backwall surface includes a datum ring having a diameter between approximately 50% and approximately 85% of the outer diameter.
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