Wind turbine rotor with pitch brake
US9562514B2 · kind B2 · utility
2Cited by
4References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 20, 2011 |
| Grant date | Feb 7, 2017 |
| Priority date | — |
| Expiry date | Apr 5, 2034 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E10/72
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
Wind turbine rotor comprising a hub, a plurality of blades, and at least one pitch system for rotating a blade substantially along its longitudinal axis and comprising one or more pitch brakes, wherein a pitch brake comprises at least a brake disc element and a first brake pad, and wherein one of the hub and a blade comprises said brake disc element and the other of the hub and blade comprises said first brake pad, the brake disc element and brake pad being arranged such that when the blade is substantially in or near the below rated pitch position the brake disc element and pad are in frictional contact with each other.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.