Drive device
US11578798B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 3, 2022 |
| Grant date | Feb 14, 2023 |
| Priority date | — |
| Expiry date | Mar 3, 2042 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16H2057/02052
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.