Yaw assembly for a wind turbine
US10767702B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 18, 2018 |
| Grant date | Sep 8, 2020 |
| Priority date | — |
| Expiry date | Jun 16, 2038 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E10/72
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A yaw assembly for a wind turbine may include a bushing configured for securement within a yaw cylinder containing a yaw piston and a yaw pad having a first side configured for engagement with a slew ring of the wind turbine and a second side configured for engagement with the yaw piston, a thrust stem engaged with the bushing and configured to apply force to the yaw pad against the slew ring, the thrust stem biased away from the yaw pad by one or more springs residing within the yaw piston, and an anti-rotation collar disposed at an interface between the thrust stem and the yaw piston, the anti-rotation collar including a flange extending from a bottom-center portion thereof, the flange disposed between the one or more springs and a bottom end of the yaw piston.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.