Patents – Nabrawind

Our Patents

The most innovative aspects of our solutions are protected by means of international patents.

US 2020/0157759 A1

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FOUNDATION FOR A TOWER OF A WIND-TURBINE

Foundation for a tower of a wind turbine with at least three columns.

Entered into national/regional phase in USA, Germany, Sweden, Spain, China, India, Brazil

Captura de pantalla 2020-09-28 a las 13.04.51

WO2019/129894 A1

Captura de pantalla 2020-02-10 a las 16.57.33

SYSTEM FOR CONTROLLING BOLT PRETENSIONING

Patent of the system for controlling bolt pretensioning, a technology used in the XPACER.

Entered into national/regional phase in EP, US, CN, IN & BR

WO2017/174828 A1

DEVICE FOR JOINING A MODULAR BLADE

Patent of the expandable spacer that allows the tightening of the bolts of the modular blade connection, with low application force and high precision.

Entered into national/regional phase in EP, US, CN, IN & BR

WO2017/140918 A1

TEST BENCH AND METHOD OF USE

Patent of a test bench and test method to validate blade segments including modular blade connections

Entered into regional phase in ES, DE, DK

WO2017/203065 A1

TOWER SECTION FOR RAISING A WIND TURBINE

Patent of the Self-Erecting Tower Stucture, designed to be connected under a standard tubular tower and be able to be erected without large cranes.

Entered into national/regional phase in EP, US, CN, IN & BR

WO2017/140919 A1

TEST DEVICE FOR TOWERS AND FOUNDATIONS

Patent of a connection for connecting a tubular tower to lattice work, the connection joining a tubular tower of an onshore or offshore wind turbine to lattice work that comprises a plurality of columns.

Entered into regional phase in ES

WO2015/150594 A1

Captura de pantalla 2020-02-10 a las 17.36.58

WIND TURBINE ASSEMBLY SYSTEM AND RELATED METHOD

Patent of a system for assembling wind turbine without using cranes which has lifting systems

Entered into national/regional phase in EP, US, CN, IN & BR

WO2019043272 A1

Captura de pantalla 2019-03-26 a las 17.11.13

CONNECTION FOR CONNECTING A TUBULAR TOWER TO LATTICE WORK

Connection for conecting a tubular tower to lattice work.

Entered into national/regional phase in EP, US, CN, IN & BR

WO2021084143

TRANSITION COMPONENT FOR WIND TURBINE TOWER

Comprising a hollow truncated cone-shaped, an upper ring with cross-members and a lower ring with struts.

Entered into national phase in BR, US, CN, IN, AU, DK, DE, ES

Captura de pantalla 2021-11-09 a las 10.18.46

WO2015/181401 A1

Captura de pantalla 2020-02-10 a las 17.31.31

SCREWED CONNECTION FOR A MODULAR BLADE

Patent of a screwed connection for a modular blade, formed by a single bolt which connects inserts.

Entered into national/regional phase in UE, US, CN, IN & BR

MU1276849

NOVEL WIND TURBINE AND ANCHORING SYSTEM THEREOF

Novel wind turbine ending with tree legs which is anchored depending on the type of existing soil.

Entered into national phase in BR, US, CN, IN, AU, DK, DE, ES

WO2022018306

FAIRING FOR MODULAR BLADE

Fairing constituted of an elastomeric material and supported in a rigid framework to absorb the warping.

Entered into national phase in UE, US, CN, IN, BR and AU.

WO2022/023586 A1

LPS FOR MODULAR BLADE

Lightning protection system, stacks of carbon fiber and layers of glass fiber, reinforced by cooper mesh as from equipotentiation line.

Entered into national phase in UE, US, CN, IN, BR and AU.

WO2023281127A1

METHOD FOR LIFTING AND LOWERING BLADES WITHOUT USING A CRANE, AND DEVICES USED

Method for lifting and lowering blades without using a crane, which uses an aligning and inserting device to solve the problem caused by the tilt and coning of the first/last 200-400 mm of the blade.

PCT/ES2021/070488