US 12,203,435 B2
Electrical machines with separately integrated starter ring gear and transmission coupler
Prashanth Visweswara Sastry, Greenwood, IN (US)
Assigned to Cummins Inc., Columbus, IN (US)
Appl. No. 18/285,364
Filed by Cummins Inc., Columbus, IN (US)
PCT Filed Apr. 13, 2021, PCT No. PCT/US2021/027010
§ 371(c)(1), (2) Date Oct. 2, 2023,
PCT Pub. No. WO2022/220796, PCT Pub. Date Oct. 20, 2022.
Prior Publication US 2024/0175418 A1, May 30, 2024
Int. Cl. F02N 15/02 (2006.01); H02K 5/10 (2006.01); H02K 7/02 (2006.01); H02K 7/116 (2006.01); H02K 9/19 (2006.01); H02K 11/215 (2016.01); F02N 11/04 (2006.01)
CPC F02N 15/02 (2013.01) [H02K 5/10 (2013.01); H02K 7/02 (2013.01); H02K 7/116 (2013.01); H02K 9/19 (2013.01); H02K 11/215 (2016.01); F02N 11/04 (2013.01)] 17 Claims
OG exemplary drawing
 
1. An electric machine assembly comprising:
a stator;
a rotor movably coupled with the stator;
a starter ring gear component fixedly coupled with the rotor on a first side of the stator;
a transmission coupler fixedly coupled with the rotor on a second side of the stator opposite from the first side;
a first dynamic seal disposed between the starter ring gear component and the stator on the first side of the stator; and
a second dynamic seal disposed between the transmission coupler and the stator on the second side of the stator, wherein each of the first dynamic seal and the second dynamic seal comprises:
a first seal housing component attached to the rotor;
a second seal housing component movably coupled with the first seal housing component; and
a sealant disposed between the first seal housing component and the second seal housing component.