US 12,486,892 B2
Transmission
Tahei Toyoshima, Isehara (JP); Hyunhwan Lee, Bucheon (KR); Akira Tsuchida, Sagamihara (JP); and Masahiro Kouya, Hiratsuka (JP)
Assigned to JATCO Ltd, Fuji (JP); and NISSAN MOTOR CO., LTD., Yokohama (JP)
Appl. No. 18/846,395
Filed by JATCO Ltd, Fuji (JP); and NISSAN MOTOR CO., LTD., Yokohama (JP)
PCT Filed Oct. 24, 2022, PCT No. PCT/JP2022/039494
§ 371(c)(1), (2) Date Sep. 12, 2024,
PCT Pub. No. WO2023/181471, PCT Pub. Date Sep. 28, 2023.
Claims priority of application No. 2022-046422 (JP), filed on Mar. 23, 2022.
Prior Publication US 2025/0189032 A1, Jun. 12, 2025
Int. Cl. F16H 57/04 (2010.01); F16H 9/18 (2006.01); F16H 37/08 (2006.01); F16H 57/021 (2012.01); F16H 57/031 (2012.01); F16H 57/035 (2012.01); F16H 57/05 (2006.01); F16H 61/662 (2006.01)
CPC F16H 57/0424 (2013.01) [F16H 9/18 (2013.01); F16H 37/0813 (2013.01); F16H 57/021 (2013.01); F16H 57/031 (2013.01); F16H 57/035 (2013.01); F16H 57/0457 (2013.01); F16H 57/0489 (2013.01); F16H 57/0495 (2013.01); F16H 57/05 (2013.01); F16H 61/662 (2013.01)] 4 Claims
OG exemplary drawing
 
1. A transmission comprising:
a case configured to store oil;
a gear power transmission mechanism supported by the case and configured to operate in a state where a part of the gear power transmission mechanism is immersed in the oil stored in the case;
a chain power transmission mechanism supported by the case; and
a transmission mechanism supported by the case, wherein
the case includes a rib configured to cover the chain power transmission mechanism at an upper side of the chain power transmission mechanism in a vertical direction, and
the rib internally includes an oil passage for supplying oil to the transmission mechanism.