Planetary gear unit and wind turbine generator
US8790213B1 · kind B1 · utility
13Cited by
9References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 25, 2013 |
| Grant date | Jul 29, 2014 |
| Priority date | — |
| Expiry date | Mar 25, 2033 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E10/72
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A planetary gear unit including a ring gear, a sun gear provided on an inner circumferential side of the ring gear, at least one planetary gear arranged between the ring gear and the sun gear to mesh with the ring gear and the sun gear, a planetary pin fixed to a carrier and inserted in a shaft hole of the planetary gear, and a slide bearing arranged between the planetary gear and the planetary pin, wherein the slide bearing is formed of a resin material and is provided on an outer periphery of the planetary pin at least in a region where the planetary pin slides relative to the planetary gear.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.