US 11,745,789 B2
Handwheel actuator for steer by wire system
Haiquan Li, Rochester Hills, MI (US)
Assigned to Steering Solutions IP Holding Corporation, Saginaw, MI (US)
Filed by Steering Solutions IP Holding Corporation, Saginaw, MI (US)
Filed on Oct. 2, 2020, as Appl. No. 17/61,757.
Claims priority of provisional application 62/928,921, filed on Oct. 31, 2019.
Prior Publication US 2021/0129899 A1, May 6, 2021
Int. Cl. B62D 5/00 (2006.01); B62D 1/04 (2006.01); F16H 1/28 (2006.01); B62D 5/04 (2006.01); H02K 7/116 (2006.01)
CPC B62D 5/006 (2013.01) [B62D 1/04 (2013.01); B62D 5/0406 (2013.01); F16H 1/28 (2013.01); H02K 7/116 (2013.01)] 12 Claims
OG exemplary drawing
 
1. A handwheel actuator assembly comprising:
a handwheel shaft configured for connection to a handwheel, the handwheel shaft extending longitudinally about an axis;
a motor operatively coupled to the handwheel shaft;
a planetary gear assembly disposed within the motor, wherein the motor comprises a stator and a rotor, wherein the rotor is operatively coupled to the planetary gear assembly at a radially outward location of the planetary gear assembly, wherein the stator is radially outward of the rotor;
an electronic control unit (ECU) in operative communication with the motor; and
a ring gear fixed to a radially inner surface of the rotor.