Access system for a hub of a wind turbine
US10125543B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jul 21, 2014 |
| Grant date | Nov 13, 2018 |
| Priority date | — |
| Expiry date | Jul 10, 2037 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E10/72
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
An access system for a hub of a wind turbine, wherein the hub comprises a first flange for mounting a first rotor blade, a second flange for mounting a second rotor blade and a third flange for mounting a third rotor blade is provided. The hub comprises a first opening, a second opening and at least a third opening, each of the openings being suitable for accessing an interior of the hub from outside of the hub. The access system comprises a first ladder with a plurality of first rungs, the first ladder extending inward from the first opening, a second ladder with a plurality of second rungs, the second ladder extending inward from the second opening, and a third ladder with a plurality of third rungs, the third ladder extending inward from the third opening.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.