Vehicle differential gear
US9366333B2 · kind B2 · utility
2Cited by
5References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 9, 2015 |
| Grant date | Jun 14, 2016 |
| Priority date | — |
| Expiry date | Apr 9, 2035 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16H2048/387
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A vehicle differential gear includes first and second pinion gears rotatably supported by a differential case; first and second side gears meshing with the first and second pinion gears and each coupled to corresponding one of a pair of output shafts; and a center washer, a first end washer and a second end washer each having a sliding surface that slides with an axial end face of at least one side gear of the first or second side gears, the sliding surface being lubricated by a lubricating oil; wherein a surface treatment for enhancing a solid lubricating property is performed on the washers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.