Aerostat-Lifted Thread Barrier for UAV Rotor Entanglement

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Solution Overview

Problem

Current technologies lack effective means to protect against unmanned aerial vehicles (UAVs) by creating obstacles or threats to their flight paths, particularly through the use of single-thread devices that can entangle, obstruct, or damage these vehicles.

Innovation Solution

A single-thread device is designed with one end fixed in airspace and the other anchored, using an aerostat to lift the thread into the air, creating an obstacle that can entangle or damage UAVs by winding around their rotating elements or covering their surfaces, potentially igniting if filled with hydrogen.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Device complexity

If a single-thread device is used to damage UAVs, then the device complexity is reduced and ease of manufacture is improved, but the effectiveness in entangling or damaging UAVs may be insufficient

Engineering Contradiction:
Improvedevice complexityVSAvoideffectiveness
Core Design Contradiction:
Device complexityVSReliability

Solution Approach 1:

The device segments the protection function into two independent components: the aerostat provides lift and positioning, while the thread provides the entanglement function. This segmentation allows each component to be optimized independently, maintaining simplicity while improving overall effectiveness.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The thread acts as an intermediary element between the aerostat and the UAV. It transfers the aerostat's positional stability into an entanglement mechanism that can damage the UAV without requiring complex active systems.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Difficulty of detecting and measuring

If the thread is made visible or detectable, then the reliability of detection is improved, but the covert nature of the device is lost

Engineering Contradiction:
ImprovedetectabilityVSAvoidcovert threat
Core Design Contradiction:
Difficulty of detecting and measuringVSObject-generated harmful factors

Solution Approach 1:

The thread is designed to be visually inconspicuous, blending with the sky background. This allows the device to maintain its covert nature while still serving its protective function, as the thread becomes effectively invisible against the sky backdrop.

Inventive Principle:
Principle #32Color changes

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 device effectively impedes UAV flight by entanglement or combustion, providing a covert and damaging threat without significant mechanical damage, enabling capture or disablement for potential reuse.

Implementation Method 1

an aerostat to lift the thread into the air

Methodology Applied
Scientific EffectBuoyancy: Archimedes' Principle (Buoyancy)

Implementation Method 2

entanglement of the above-mentioned thread 1 connecting the above-mentioned aerostat 2 with the above-mentioned weight 3 as a result of winding the above-mentioned thread 1 connecting the above-mentioned aerostat 2 with the above-mentioned weight 3 onto at least one rotating element of the unmanned aerial vehicle in contact with the air environment, preventing the normal rotation of this element

Methodology Applied
Scientific EffectFriction: Friction

Implementation Method 3

any other damaging effect, for example, but not excluding otherwise, combustion upon contact of at least one ignition source with hydrogen filling the above-mentioned aerostat 2

Methodology Applied
Scientific EffectCombustion: Combustion

Data Source

PatentUS20250354783A1Single-thread device for damaging unmanned aerial vehicles
Publication Date: 2025.11.20 KHOROSHEV ALEXEY FEDOROVICH
  • US20250354783A1 patent drawing

AI summary

The invention relates to the field of protection against unmanned aerial vehicles. A single-thread device for damaging unmanned aerial vehicles, consisting of one thread, one end of which is fixed with the possibility of the above-mentioned thread being in the airspace. The technical problem being solved is the creation of a single-thread device for damaging unmanned aerial vehicles. The technical result is the implementation of a single-thread device for damaging unmanned aerial vehicles. One independent claim. One illustration.