Patent · US Active

Wind turbine rotor blade and wind turbine

US11220994B2 · kind B2 · utility

1Cited by

3References

7Claims

0Family size

Assignee

Wobben Properties GmbH · DE

Inventors

Falko Bürkner · Bremen, DE
Alexander Hoffmann · Neckargemünd, DE

Key dates

Filing date	Apr 11, 2019
Grant date	Jan 11, 2022
Priority date	—
Expiry date	Apr 11, 2039

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02P70/50
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

There is provided a wind turbine rotor blade having a blade outer side, a wall with a laminate, a blade inner side and at least a first and a second rotor blade part. The at least one first and second rotor blade parts are fixed together by means of at least one connecting unit in a separation plane. The connecting unit has at least one cable with a first end with cable fibers which are fixed in or at the laminate of the wall. The connecting unit has at least one projection at the first and second rotor blade parts respectively. The projections are respectively fixedly connected to the wall of rotor blade. The at least one cable is connected at at least one projection. The connecting unit has at least one tensioning element, by means of which the projections on the first and second rotor blade parts can be braced with each other.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.