US 11,746,883 B2
Power transmission device
Kenjiro Yasui, Shizuoka (JP); Takayoshi Urushibata, Shizuoka (JP); and Yusuke Suzuki, Shizuoka (JP)
Assigned to Jatco Ltd, Fuji (JP)
Appl. No. 17/789,322
Filed by JATCO LTD, Fuij (JP)
PCT Filed Dec. 7, 2020, PCT No. PCT/JP2020/045423
§ 371(c)(1), (2) Date Jun. 27, 2022,
PCT Pub. No. WO2021/137281, PCT Pub. Date Jul. 8, 2021.
Claims priority of application No. 2019-240044 (JP), filed on Dec. 30, 2019.
Prior Publication US 2023/0038311 A1, Feb. 9, 2023
Int. Cl. F16H 57/04 (2010.01); F16H 57/037 (2012.01); B60K 1/00 (2006.01)
CPC F16H 57/0421 (2013.01) [F16H 57/037 (2013.01); B60K 2001/001 (2013.01)] 15 Claims
OG exemplary drawing
 
1. A power transmission device comprising:
a box;
a case disposed in the box;
a differential mechanism housed in the case; and
a planetary gear mechanism disposed in the box and supported by the case, the planetary gear mechanism including a sun gear and a pinion gear that engages with the sun gear, wherein
the box has a shelf part above a horizontal line that passes through a revolution center of the pinion gear, and
the shelf part is arranged at a position that does not overlap the sun gear when viewed from radially above.