Ceramic Armor Appliqué Kit for Ballistic Helmet
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Solution Overview
Problem
Current combat helmets are inadequate in protecting against high-velocity steel-core rifle rounds, as they are not rated to stop projectiles like the 5.56×45 mm M855, and may even intensify the damage caused by such rounds due to their design, leading to a significant risk of fatal head injuries.
Innovation Solution
A lightweight, removable appliqué kit comprising a ceramic armor element with a structured envelope and optional frame components, which can be attached to existing helmets, providing adaptable protection levels and compatibility with night-vision equipment, using ceramic materials like boron suboxide or silicon carbide reinforced with nanomaterials to defeat steel-core rifle rounds.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Weight of moving object
If lightweight ballistic fiber helmets (para-aramid or UHMWPE) are used, then the helmet is lightweight and durable for rough handling, but it cannot stop direct hits from rifle rounds (Level II rating only)
Solution Approach 1:
The patent applies composite materials by combining lightweight ballistic fibers (para-aramid or UHMWPE) with hard ceramic plates (alumina, silicon carbide, or boron carbide) to create a hybrid armor system. The ceramic plates provide the necessary hardness to defeat steel-core rifle rounds while the ballistic fiber base maintains lightweight construction and durability. This composite approach resolves the contradiction between weight and protection level by distributing the protective functions across different material types.
2Strength
If hard body armor rated to Level III is used, then rifle rounds (7.62 mm FMJ) can be stopped, but the helmet becomes significantly heavier and less adaptable
Solution Approach 1:
The patent segments the protective function by attaching only small ceramic armor plates to specific high-risk areas of the helmet (frontal region, temples, rear) rather than covering the entire helmet. This allows the helmet to achieve Level III protection where needed while maintaining overall lightweight construction. The modular plates can be selectively positioned on areas most vulnerable to rifle rounds, resolving the contradiction between achieving high protection levels and maintaining low weight.
Solution Approach 2:
The patent applies local quality by concentrating hard ceramic armor plates only on specific high-protection-needed zones (frontal bone area, temples, occipital region) rather than uniformly across the entire helmet. This localized application provides Level III protection where head wounds are most likely and most fatal, while keeping other areas lightweight. This resolves the contradiction by providing high strength locally without increasing overall weight significantly.
3Device complexity
If current combat helmets are used against high-velocity steel-core rifle rounds, then the helmet structure remains simple, but the helmet may intensify damage caused by such rounds
Solution Approach 1:
The patent applies preliminary anti-action by placing hard ceramic plates on the helmet surface before rifle rounds can strike the wearer's head. The ceramic plates are positioned to intercept and defeat steel-core projectiles before they can penetrate the skull, preventing the harmful effect of bullet penetration. The plates create a preliminary barrier that stops the threat before it can cause fatal injury, resolving the contradiction between simple structure and harm reduction.
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 appliqué kit effectively stops high-velocity steel-core rifle rounds, including the 5.56×45 mm M855, without increasing the helmet's weight significantly, and allows for modular scalability and integration with tactical gear, offering enhanced protection without interfering with night vision or other equipment.
Implementation Method 1
A lightweight, removable appliqué kit comprising a ceramic armor element with a structured envelope... effectively stops high-velocity steel-core rifle rounds, including the 5.56×45 mm M855
Data Source
AI summary
A modular ceramic armor applique assembly includes ceramic armor element(s) that attach to an outer surface of a ballistic helmet and are held in place by structured envelope(s) to provide protection from rifle-fired projectiles at muzzle velocity. The modular ceramic armor applique assembly includes layers of substrate(s) disposed in one or more locations selected from a group comprising: (a) between the one or more ceramic armor elements and the one or more structured envelopes; (b) between the one or more ceramic armor elements and the outer surface of a ballistic helmet; and (c) between the one or more ceramic armor elements and the inner surface of the ballistic shell.