公开(公告)号：US11578798B2

公开(公告)日：2023-02-14

申请号：US17685381

申请日：2022-03-03

Applicant: NIDEC CORPORATION

Inventor： Keisuke Nakata ,  Yuki Ishikawa ,  Sota Doi

IPC: F16H57/04 ,  B60K1/00 ,  F16H57/021 ,  F16H57/02

Abstract: A transmission mechanism device of an aspect of the present invention includes a motor, a transmission mechanism including a plurality of gears, a first shaft and a bearing supporting the first shaft and transmitting power of the motor, a housing that accommodates the transmission mechanism and holds the bearing on an inner face, oil that collects in a lower region inside the housing, a catch tank that is disposed inside the housing and opens upward, an oil passage through which the oil passes, and an oil pump provided in the oil passage. The oil passage has a first path connecting the oil pump and the catch tank and a scooping path for scooping the oil by rotation of the gear to guide the scooped oil to the catch tank. The catch tank includes a feed portion for supplying the oil to the gear or the bearing.