US 12,259,021 B1
Universal driving device
Woo Hyun Lim, Incheon (KR); Ki Seok Kim, Seongnam-si (KR); Kyoung Chul Min, Hwaseong-si (KR); Jong Sool Park, Hwaseong-si (KR); Dae In Lee, Anyang-si (KR); and Yeo Hae Lee, Gunpo-si (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 May 1, 2024, as Appl. No. 18/652,369.
Claims priority of application No. 10-2023-0181910 (KR), filed on Dec. 14, 2023.
Int. Cl. F16H 1/36 (2006.01); F16H 1/28 (2006.01); F16H 1/46 (2006.01); F16H 1/00 (2006.01); F16H 57/02 (2012.01)
CPC F16H 1/2827 (2013.01) [F16H 1/46 (2013.01); B60G 2204/4191 (2013.01); F16H 1/006 (2013.01); F16H 1/2836 (2013.01); F16H 1/36 (2013.01); F16H 2057/02043 (2013.01)] 11 Claims
OG exemplary drawing
 
1. A universal driving device comprising:
a ring gear;
a sun gear having a sun gear axis is moveable relative to a ring gear axis of the ring gear;
a gear train comprising a series of gears configured to connect the sun gear and the ring gear;
a plurality of link mechanisms configured to accommodate a change in an inter-axis distance between the sun gear and the ring gear, and rotatably connected with respect to each other to continuously maintain a power transmission state between the sun gear and the ring gear, thereby supporting rotation shafts of gears constituting the gear train;
a carrier configured to support a rotation shaft of a final gear engaged with the ring gear, among the gears constituting the gear train;
a sun gear bearing positioned between the rotation shaft of the sun gear and each of the plurality of link mechanisms; and
a sleeve positioned between the sun gear bearing and each of the plurality of link mechanisms.