Wind Turbine Blade Protector Application With Robotic Curing

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Solution Overview

Problem

Existing methods for applying a leading-edge protector to wind turbine blades are time-consuming, prone to voids, and require manual application of adhesives, making it difficult to use fast-curing adhesives and maintain the protector's position during curing.

Innovation Solution

A robotic applicator device with multiple stations, including a dispensing, adhesive, applicator, curing, and optional cleaning and sensing stations, to automate the application of a leading-edge protector, ensuring precise placement and curing of the protector on the blade.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of manufacture

If manual application method is used, then flexibility and simplicity are maintained, but application time increases and voids are introduced

Engineering Contradiction:
Improveapplication simplicityVSAvoidapplication speed
Core Design Contradiction:
Ease of manufactureVSProductivity

Solution Approach 1:

The patent replaces manual mechanical application with an automated robotic system that uses dispensing mechanisms, adhesive application robots, and automated positioning systems to apply the leading-edge protector, thereby increasing application speed while maintaining quality

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The system incorporates self-positioning capabilities where the protector material automatically aligns with the blade leading edge through guidance mechanisms, and the adhesive cures in place without continuous manual adjustment, reducing void formation while maintaining simplicity

Inventive Principle:
Principle #25Self-service

2Productivity

If fast-curing adhesive is used, then productivity increases, but manual application cannot keep up with curing speed

Engineering Contradiction:
Improvecuring speedVSAvoidapplication feasibility
Core Design Contradiction:
ProductivityVSEase of operation

Solution Approach 1:

The patent employs automated robotic dispensing systems that can apply adhesive and position the protector material at speeds matching fast-curing adhesives, eliminating the limitation of manual application speed and enabling the use of high-performance fast-curing adhesive formulations

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The system maintains continuous application and positioning action throughout the adhesive curing process, with automated systems operating without interruption to ensure complete coverage and bonding before the adhesive sets, maximizing productivity with fast-curing materials

Inventive Principle:
Principle #20Continuity of useful action

3Device complexity

If manual positioning is used, then equipment complexity is minimized, but maintaining protector position during curing becomes difficult

Engineering Contradiction:
Improveequipment simplicityVSAvoidposition stability
Core Design Contradiction:
Device complexityVSReliability

Solution Approach 1:

The patent replaces manual positioning with automated robotic positioning systems that use sensors, feedback control, and precise motion control to maintain the protector's position during curing, significantly improving reliability without excessive complexity

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The system incorporates feedback mechanisms where sensors monitor the position of the leading-edge protector during application and curing, and automated systems adjust positioning in real-time to maintain proper alignment and prevent displacement, ensuring reliable bonding

Inventive Principle:
Principle #23Feedback

4Device complexity

If manual adhesive application is used, then device complexity is reduced, but voids and air bubbles are introduced

Engineering Contradiction:
Improveapplication equipmentVSAvoidadhesive application quality
Core Design Contradiction:
Device complexityVSManufacturing precision

Solution Approach 1:

The patent replaces manual adhesive application with automated dispensing systems that use controlled delivery mechanisms, such as pumps and nozzles, to apply adhesive uniformly without trapping air bubbles, improving manufacturing precision while managing device complexity through standardized components

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

Applied Scientific Principles

This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.

Function Achieved in This Case

The robotic applicator device enables quick, efficient, and void-free application of the leading-edge protector, enhancing aerodynamic performance and reducing maintenance time and equipment requirements.

Implementation Method 1

a curing station configured to cure the adhesive so as to bond the leading-edge protector to the leading edge of the wind turbine blade

Methodology Applied
Scientific EffectHeating: Heating

Data Source

PatentUS20260110287A1Robotic applicator device and method for applying a protector to a leading edge of a wind turbine blade
Publication Date: 2026.04.23 VESTAS WIND SYSTEMS AS
  • US20260110287A1 patent drawing
  • US20260110287A1 patent drawing
  • US20260110287A1 patent drawing

AI summary

A robotic applicator device (40) for applying a protector (48) to a leading edge (30) of a wind turbine blade (20) includes a main frame (42), a drive (44) coupled to the main frame (42), and a plurality of stations (46) carried by the main frame (42) configured to apply the protector (48) to the leading edge (30) of the wind turbine blade (20). The stations (46) include a dispensing station (50) configured to hold and dispense a material (64) that forms the protector (48), an adhesive station (52) configured to apply adhesive (66) to an adherend surface (68) of the dispensed protector material (64) and/or the leading edge (30), an applicator station (54) configured to place the adherend surface (68) of the protector (48) onto the leading edge (30) of the wind turbine blade (20), and a curing station (56) configured to cure the adhesive (66) so as to bond the protector (48) to the leading edge (30). A method for applying the protector (48) to the leading edge (30) of the wind turbine blade (20) is also disclosed.