公开(公告)号：US11326473B2

公开(公告)日：2022-05-10

申请号：US16719236

申请日：2019-12-18

Applicant: BorgWarner Inc.

Inventor： Erwin Perry Ellwood, III ,  Samuel Whitney Weldon ,  Donald Michael Kennedy

IPC: F01D25/16 ,  F01D25/04 ,  F16C19/18

Abstract: A turbocharger includes a shaft, a compressor wheel, a turbine wheel, and a bearing assembly. The bearing assembly includes an inner race coupled to the shaft, and first and second outer races spaced radially from the inner race. The bearing assembly also includes a first rolling element disposed between the first outer race and the inner race, and a second rolling element disposed between the second outer race and the inner race. The bearing assembly further includes a first biasing member coupled to the first outer race and configured to bias the first outer race toward the second outer race and against the first rolling element to preload the first rolling element, and a second biasing member coupled to the second outer race and configured to bias the second outer race toward the first outer race and against the second rolling element to preload the second rolling element.

公开(公告)号：US20220136399A1

公开(公告)日：2022-05-05

申请号：US17083446

申请日：2020-10-29

Applicant: BorgWarner Inc.

Inventor： Augustine Cavagnaro ,  Donald Michael Kennedy ,  Erwin Perry Ellwood, III

IPC: F01D11/00 ,  F01D25/16

Abstract: A turbocharger includes a shaft extending between first and second shaft ends. A turbine wheel is coupled to the first shaft end, and a bearing housing defines a bearing housing interior and is disposed about the shaft. A turbine housing defines a turbine housing interior and is disposed about the turbine wheel. A sealing assembly includes a case disposed about the shaft and extending between a first case end proximate to the turbine wheel and a second case end distal from the turbine wheel. The sealing assembly also includes a ring disposed between the shaft and the case such that the ring is unobstructed by the case radially between the shaft and the ring. The sealing assembly further includes a deformable component coupled to the second case end and to the ring, and is moveable with the ring to seal the bearing housing interior and the turbine housing interior.

公开(公告)号：US20210189907A1

公开(公告)日：2021-06-24

申请号：US16719236

申请日：2019-12-18

Applicant: BorgWarner Inc.

Inventor： Erwin Perry Ellwood, III ,  Samuel Whitney Weldon ,  Donald Michael Kennedy

IPC: F01D25/16 ,  F01D25/04 ,  F16C19/18

Abstract: A turbocharger includes a shaft, a compressor wheel, a turbine wheel, and a bearing assembly. The bearing assembly includes an inner race coupled to the shaft, and first and second outer races spaced radially from the inner race. The bearing assembly also includes a first rolling element disposed between the first outer race and the inner race, and a second rolling element disposed between the second outer race and the inner race. The bearing assembly further includes a first biasing member coupled to the first outer race and configured to bias the first outer race toward the second outer race and against the first rolling element to preload the first rolling element, and a second biasing member coupled to the second outer race and configured to bias the second outer race toward the first outer race and against the second rolling element to preload the second rolling element.