Laser Cartridge Ignition for Primer-Free Firearm Reliability
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current munitions in firearms and artillery rely on impact-sensitive chemical explosives for ignition, which are prone to misfires, hazardous, and face regulatory challenges, requiring a reliable and environmentally friendly alternative.
Innovation Solution
A laser optics system is used to ignite munitions without percussion primers, replacing traditional ignition systems with laser ignitable propellants and focal lenses in cartridges, integrated with a firing mechanism compatible with existing firearms.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional percussion primers are used for ignition, then the ignition system is simple and inexpensive, but the system is prone to misfires and hazardous
Solution Approach 1:
The patent replaces the mechanical impact-sensitive primer system with a laser-based ignition system. The laser device emits a focused beam that directly ignites the propellant, eliminating the need for mechanical firing pins and chemical primers. This substitution resolves the contradiction by improving reliability through more consistent laser ignition while managing complexity through a self-contained optical system.
Solution Approach 2:
The patent changes the ignition mechanism from mechanical impact to optical energy. By transforming the ignition method from mechanical (firing pin striking primer) to optical (laser beam focusing on propellant), the system achieves more reliable ignition without requiring complex mechanical components. The laser system's parameters (power, focus, duration) can be precisely controlled to ensure consistent ignition.
2Ease of manufacture
If impact-sensitive chemical explosives are used in primers, then the ignition system is traditional and simple, but the system creates environmental hazards and regulatory issues
Solution Approach 1:
The patent eliminates chemical explosives by replacing the mechanical/chemical primer system with a purely optical laser ignition system. This substitution removes the harmful chemical substances (lead styphnate, other explosive compounds) while maintaining the ability to reliably ignite propellant. The laser system requires no hazardous materials, resolving the environmental hazard issue while keeping manufacturing simple.
Solution Approach 2:
The patent extracts and removes the harmful chemical components (percussion primers containing lead styphnate or other explosive compounds) from the ignition system. By taking out these hazardous materials and replacing them with a laser-based system, the patent eliminates environmental hazards and regulatory issues while maintaining ignition functionality through non-hazardous means.
3Reliability
If conventional primers are used, then the system is cost-effective and traditional, but the primers are susceptible to degradation from moisture intrusion
Solution Approach 1:
The patent replaces the moisture-sensitive chemical primer system with a laser ignition system that does not rely on chemical materials. Since the laser system uses optical energy directly on the propellant rather than chemical primers, it eliminates the problem of moisture degradation entirely. The system maintains reliability through consistent optical ignition while being completely immune to moisture-related failures.
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
This solution provides reliable, safe, and regulatory-compliant ignition, reducing mechanical failures and environmental hazards while maintaining compatibility with existing firearms and artillery.
Implementation Method 1
A laser optics system is used to ignite munitions without percussion primers
Implementation Method 2
laser optics device with a focal lens
Data Source
AI summary
A device/system for firing a firearm round by igniting a specialized propellant in a specialized shell/casing/cartridge (hereinafter cartridge) with laser optics. The preferred embodiment and the system disclosed herein is intended for retrofitted use in a bolt action rifle, however, the principle may be applied to embodiments for pistols, shotguns and military munitions with minor changes to the laser's power, the focal lens for the cartridge and the laser ignitable propellant. The munitions cartridge design, its focal lens/window and column of charge constitute a critical element of this laser ignition device.