Adaptive Electromagnetic Shielding for Projectile Impact

Resolve Bottlenecks,
Find Innovative Solutions
Generate Solutions

Solution Overview

Problem

Existing armor systems are heavy, bulky, and passive, adding weight and cost to structures while being inefficient in terms of fuel efficiency and requiring time-consuming replacement when damaged, and often unnecessary for protection against specific threats.

Innovation Solution

An adaptive shielding system using electromagnets and shielding particles that form a dynamic barrier in response to impending projectile impacts, with a projectile tracking subsystem to determine and activate the necessary electromagnets for impact absorption, allowing for lightweight, efficient, and reusable protection.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If traditional armor panels are used to protect against projectiles, then protection against specific threats is provided, but weight and cost increase significantly

Engineering Contradiction:
Improveprotection against projectilesVSAvoidweight of armor
Core Design Contradiction:
ReliabilityVSWeight of moving object

Solution Approach 1:

The patent applies the dynamics principle by transforming static armor panels into dynamic shielding systems. Electromagnets are activated only when and where projectiles are detected, causing shielding particles to move from a retracted state to a deployed state at the point of impact. This dynamic deployment provides protection only when needed, significantly reducing the continuous weight burden compared to traditional fixed armor panels that must protect against all possible threats.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The patent implements local quality by concentrating shielding particles only at the specific location where a projectile impact is detected and anticipated. The electromagnet system activates localized zones of shielding particles precisely where needed, rather than providing uniform protection across the entire structure. This localized approach reduces the total amount of shielding material required, thereby reducing overall weight while maintaining effective protection at critical points.

Inventive Principle:
Principle #3Local quality

2Reliability

If fixed armor plates are installed on a structure, then protection is provided, but the armor cannot be replaced or adjusted when damaged or unnecessary

Engineering Contradiction:
Improveprotection effectivenessVSAvoidadjustability of armor
Core Design Contradiction:
ReliabilityVSAdaptability or versatility

Solution Approach 1:

The dynamic nature of the electromagnet-based shielding system enables real-time adjustment and replacement. Damaged or unnecessary shielding particles can be quickly replaced or repositioned by deactivating the electromagnet, allowing the system to adapt to changing threat scenarios. This dynamic replaceability is much faster and more flexible than replacing entire fixed armor plates, enhancing both adaptability and protection effectiveness.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The system changes the state of shielding particles from a fixed position to a movable, controllable state. By controlling the electromagnetic field parameters (activation and deactivation), the system can adjust the position, density, and distribution of shielding particles dynamically. This parameter control enables the system to adapt to different threat scenarios and facilitate easy replacement of damaged components without requiring physical disassembly of the entire armor system.

Inventive Principle:
Principle #35Parameter changes

3Reliability

If heavy armor panels are used to shield against projectiles, then protection is provided, but fuel efficiency decreases and flight range is reduced

Engineering Contradiction:
Improveprotection against impactsVSAvoidfuel efficiency
Core Design Contradiction:
ReliabilityVSUse of energy by moving object

Solution Approach 1:

The dynamic shielding system activates electromagnets and deploys shielding particles only when and where projectile threats are detected. This on-demand activation significantly reduces the average weight of the shielding system compared to continuous heavy armor coverage. By providing protection only when needed, the system maintains protection effectiveness while minimizing the weight penalty that would otherwise reduce fuel efficiency and flight range.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The system applies partial action by providing shielding only at the specific location and time when a threat is detected, rather than maintaining full protection across the entire structure continuously. This partial deployment of shielding particles reduces the total mass of protective materials required, thereby improving fuel efficiency and extending flight range while still providing adequate protection against the detected threat.

Inventive Principle:
Principle #16Partial or excessive action

4Reliability

If entire armor panels are removed and replaced when damaged, then protection is restored, but the process is time-consuming and expensive

Engineering Contradiction:
Improveprotection integrityVSAvoidreplacement time
Core Design Contradiction:
ReliabilityVSLoss of time

Solution Approach 1:

The shielding system is segmented into individual electromagnet units, each capable of independent activation and particle control. When damage occurs, only the specific damaged electromagnet and its associated shielding particles need to be replaced or repaired, rather than removing and replacing entire armor panels. This segmentation dramatically reduces the scope of replacement operations, minimizing both time and cost while maintaining protection integrity.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The dynamic electromagnet system allows for rapid replacement of damaged components. Damaged electromagnets can be quickly swapped and immediately reactivated, restoring protection without requiring time-consuming removal and installation of entire armor panels. The system's modular, electromagnet-based architecture enables fast replacement operations that restore protection integrity much more quickly than traditional armor replacement methods.

Inventive Principle:
Principle #15Dynamics

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 system provides effective, lightweight, and efficient protection by forming a dynamic barrier that absorbs projectile impact forces, reducing structural damage and enabling selective activation and deactivation for optimal use, with the ability to replace damaged components rather than entire armor modules.

Implementation Method 1

The electromagnet(s) are configured to be activated in response to an impending threat of a projectile impact. The shielding particles are attracted to the electromagnet(s) to form a shielding barrier in response to activation of the electromagnet(s).

Methodology Applied
Scientific EffectMagnetic attraction: Magnetism

Data Source

PatentUS10215535B2System, method, and assembly for adaptively shielding a structure
Publication Date: 2019.02.26 THE BOEING CO
  • US10215535B2 patent drawing
  • US10215535B2 patent drawing
  • US10215535B2 patent drawing

AI summary

A system for adaptively shielding a structure includes an armor assembly including one or more armor modules. Each armor module may include one or more electromagnets coupled to a housing that retains a plurality of shielding particles. The electromagnet(s) are configured to be activated in response to an impending threat of a projectile impact. The shielding particles are attracted to the one or more electromagnets to form a shielding barrier in response to activation of the electromagnet(s). The shielding barrier is configured to absorb at least a portion of a force of the projectile impact.