IP Library Granted Patent US 9,273,667
Granted Patent B2
US 9,273,667 · App. 13/670,723 · Granted Mar 1, 2016

Wind turbine blade

View Patent ↗
Loading inventors, assignments & file history…
Monitor This Case
Get email alerts when status or documents change.
Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 9,273,667
App. No.
13/670,723
Granted
Mar 1, 2016
Kind
B2
Abstract

A wind turbine blade is provided. The wind turbine blade has multiple vortex generators, each projecting from a surface of the blade and having a predetermined length. The vortex generators are arranged on a strip. The width of the strip is several times larger than the length of a vortex generator.

Claims (4)

1. A wind turbine blade, comprising: a strip; and a plurality of vortex generators arranged on the strip, wherein each of the vortex generators projects from a surface of the blade and comprises a predetermined length, wherein a width of the strip is 2 to 10 times larger than the length of each of the vortex generators, wherein an adhesive is applied on a lower surface of the strip, and wherein the lower surface of the strip is provided with a countersink groove along a longitudinal direction of the strip.

2. The wind turbine blade according to claim 1 , wherein a double-sided adhesive tape is applied on the countersink groove.

3. The wind turbine blade according to claim 1 , wherein a first end of the strip is provided with a predetermined shape and a second end of the strip is provided with a mating shape.

4. The wind turbine blade according to claim 3 , wherein the first end and the second end of the strip are shaped as tongue and groove.

Assignments (3)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jan 3, 2019
From: SIEMENS AKTIENGESELLSCHAFT
To: SIEMENS GAMESA RENEWABLE ENERGY A/S
Reel/Frame 048003/0631 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jan 3, 2013
From: ENEVOLDSEN, PEDER BAY; THRUE, CARSTEN
To: SIEMENS WIND POWER A/S
Reel/Frame 029560/0119 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jan 3, 2013
From: SIEMENS WIND POWER A/S
To: SIEMENS AKTIENGESELLSCHAFT
Reel/Frame 029560/0152 →