US 12,241,538 B2
Bearing architecture for high-speed motor drive systems
Mason Verbridge, Canton, MI (US)
Assigned to Rivian IP Holdings, LLC, Irvine, CA (US)
Filed by Rivian IP Holdings, LLC, Irvine, CA (US)
Filed on Mar. 28, 2022, as Appl. No. 17/706,354.
Prior Publication US 2023/0304569 A1, Sep. 28, 2023
Int. Cl. F16H 57/00 (2012.01); F16H 57/021 (2012.01); H02K 7/08 (2006.01); H02K 7/10 (2006.01)
CPC F16H 57/0018 (2013.01) [F16H 57/021 (2013.01); H02K 7/08 (2013.01); H02K 7/1008 (2013.01)] 19 Claims
OG exemplary drawing
 
1. An apparatus comprising:
a central bearing comprising an inner race having a first race section and a second race section, wherein:
the first race section comprises splines configured to interface with a gear shaft, wherein the splines are crowned to allow misalignment compliance between the gear shaft and a rotor shaft;
the second race section is configured to interface with the rotor shaft.