US 12,188,549 B2
Reduction gear unit
Masahiro Kosaka, Ebina (JP); Hiroki Uehara, Hadano (JP); Yoonseok Choi, Seoul-shi (KR); and Doohee Yoon, Bucheon-shi (KR)
Assigned to JATCO LTD, Fuji (JP)
Appl. No. 18/558,575
Filed by JATCO Ltd, Fuji (JP)
PCT Filed Mar. 18, 2022, PCT No. PCT/JP2022/012848
§ 371(c)(1), (2) Date Nov. 2, 2023,
PCT Pub. No. WO2022/270061, PCT Pub. Date Dec. 29, 2022.
Claims priority of application No. 2021-106198 (JP), filed on Jun. 26, 2021.
Prior Publication US 2024/0229921 A1, Jul. 11, 2024
Int. Cl. F16H 57/04 (2010.01); H02K 7/116 (2006.01)
CPC F16H 57/0424 (2013.01) [F16H 57/0423 (2013.01); H02K 7/116 (2013.01)] 5 Claims
OG exemplary drawing
 
1. A unit comprising:
a motor case configured to accommodate a motor;
a gear case configured to accommodate a gear connected to the motor; and
a cover having a portion sandwiched between the gear and the motor, wherein
the motor case communicates with the gear case via an opening of the cover, and
a lower end of the opening is positioned below an oil level when a vehicle is not traveling.