Multi-Use Conductive-Fiber Dust Mitigation for Flexible Spacesuit Materials

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Solution Overview

Problem

Existing dust mitigation systems are ineffective for flexible spacesuit materials and other fabric-based systems due to their complex and irregular contours, leading to issues like contamination, abrasion, and system failure during extravehicular activities on lunar surfaces.

Innovation Solution

A Multi-use Dust Mitigation System (MDMS) utilizing conductive-fibers, such as carbon nanotubes, generates electric fields and traveling or standing waves to repel and collect dust particles using alternating-current voltage signals, adaptable to flexible materials and systems like spacesuits, gloves, and habitats.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If traditional dust mitigation methods are applied to rigid surfaces, then dust removal is effective, but the system cannot be applied to flexible spacesuit materials with complex contours

Engineering Contradiction:
Improveadaptability to flexible surfacesVSAvoiddust mitigation effectiveness
Core Design Contradiction:
Adaptability or versatilityVSReliability

Solution Approach 1:

The patent applies flexible conductive fibers embedded within fabric layers to create a dust mitigation system that conforms to irregular surfaces. The conductive fibers are integrated into flexible material structures, allowing the system to adapt to complex contours while maintaining electrostatic functionality for dust repulsion and collection

Inventive Principle:
Principle #30Flexible shells and thin films

Solution Approach 2:

The system combines conductive fibers with insulating fabric materials to create a composite structure. The conductive fibers provide electrostatic functionality while the insulating fabric provides mechanical flexibility and structural support, enabling the system to work effectively on flexible spacesuit materials

Inventive Principle:
Principle #40Composite materials

2Adaptability or versatility

If conductive fibers are embedded in fabric material, then the system becomes adaptable to flexible surfaces, but the manufacturing complexity increases

Engineering Contradiction:
Improveflexibility compatibilityVSAvoidmanufacturing complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The conductive fibers are merged with the fabric material during the manufacturing process, integrating the electrostatic functionality directly into the textile structure. This combination eliminates the need for separate components and simplifies the overall system architecture

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The fabric material serves multiple functions: it provides mechanical structure, flexibility, and serves as the substrate for conducting electricity. The conductive fibers simultaneously provide electrical conductivity and structural integration within the fabric, reducing the number of separate components needed

Inventive Principle:
Principle #6Universality (Multi-functionality)

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

Effectively prevents dust accumulation and removes settled dust from flexible surfaces by leveraging electrodynamic forces, enhancing operational reliability and safety in extravehicular activities.

Implementation Method 1

the plurality of conductive-fibers are configured to generate an electric-field on the front-surface of the fabric-material in response to the plurality of input-nodes receiving the AC voltage-signal

Methodology Applied
Scientific EffectElectric Field: Electric Field

Implementation Method 2

Effectively prevents dust accumulation and removes settled dust from flexible surfaces by leveraging electrodynamic forces

Methodology Applied
Scientific EffectElectrodynamic forces: Lorentz Force

Data Source

PatentEP3786075B1Multi-use dust mitigation system
Publication Date: 2025.09.03 THE BOEING CO
  • EP3786075B1 patent drawingFigure 1~2
  • EP3786075B1 patent drawingFigure 3
  • EP3786075B1 patent drawingFigure 4

AI summary

Disclosed is a Multi-Use Dust Mitigation System ("MDMS"). The MDMS includes a finger section, a hand section physically attached to the finger section, a fabric-material within both the finger section and hand section, a plurality of conductive-fibers within the fabric-material, and a plurality of input-nodes approximately adjacent to the fabric-material. The fabric-material includes a front-surface and a back-surface. The plurality of conductive-fibers are approximately parallel along the fabric-material and are approximately adjacent to the front-surface of the fabric-material. The plurality of input-nodes are in signal communication with the plurality of conductive-fibers and configured to receive an alternating-current ("AC") voltage-signal from an input-signal-source and the plurality of conductive-fibers are configured to generate an electric-field on the front-surface of the fabric-material in response to the plurality of input-nodes receiving the AC voltage-signal from the input-signal-source.