Vehicle power transmission device
US8261883B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Dec 23, 2008 |
| Grant date | Sep 11, 2012 |
| Priority date | — |
| Expiry date | Feb 25, 2030 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T74/2188
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A vehicle power transmission device mounted on a vehicle for transmitting power from a power generating source to an axle through a gear train accommodated in a case, including: a lubricating pump that is driven by the power generating source and is capable of supplying a lubricating medium to an element to be lubricated; a lubricating medium storage portion that stores the lubricating medium; a lowermost gear that is located at a lowest position in the case; a topmost gear that is located at a highest position in the case; a lubrication flow path that guides the lubricating medium scooped up by the lowermost gear and carried by the gear train to a predetermined element to be lubricated; and a guide portion that guides the lubricating medium scooped up by the lowermost gear and carried by the gear train to an inlet of the lubrication flow path.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.