US 12,294,279 B2
Motor
Hyung Kwan Jang, Uijeongbu-si (KR); Hoo Dam Lee, Seongnam-si (KR); Gyeong Sik Choe, Seoul (KR); Byung Ho Min, Suwon-si (KR); and Tae Gyu Lee, Seoul (KR)
Assigned to HYUNDAI MOTOR COMPANY, Seoul (KR); and KIA CORPORATION, Seoul (KR)
Filed by HYUNDAI MOTOR COMPANY, Seoul (KR); and KIA CORPORATION, Seoul (KR)
Filed on Dec. 5, 2022, as Appl. No. 18/075,235.
Claims priority of application No. 10-2022-0024740 (KR), filed on Feb. 25, 2022.
Prior Publication US 2023/0275501 A1, Aug. 31, 2023
Int. Cl. H02K 55/04 (2006.01)
CPC H02K 55/04 (2013.01) 13 Claims
OG exemplary drawing
 
1. A motor comprising:
a rotor; and
a stator,
wherein the rotor includes
a plurality of winding portions configured to have a preset cross-section for generating a uniform magnetically effective air gap length, wherein the winding portions are spaced from each other a predetermined distance apart along a circumferential direction of the rotor, and
a field coil wound around the plurality of winding portions,
wherein the motor is a wound field synchronous motor, and
wherein the motor is a coreless-type motor.