Reusable Non-Pyrotechnic Diversion Device Using Pressurized Gas
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Solution Overview
Problem
Conventional pyrotechnic diversionary devices are unsafe in certain environments, single-use only, and pose risks due to flame and smoke, limiting their application in tactical operations.
Innovation Solution
A non-pyrotechnic diversionary device using a reusable, pressurized gas system with a customizable vessel and high-intensity lights, designed to generate concussive force and sound without pyrotechnic components, allowing for controlled bursting and minimizing shrapnel, and being intrinsically safe for use in compromised environments.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Illumination intensity
If pyrotechnic components are used to generate light and sound effects, then the diversionary effect is enhanced, but safety hazards and single-use limitation occur
Solution Approach 1:
The patent replaces pyrotechnic chemical reactions with a mechanical pressurized gas system. A compressed gas source (nitrogen or CO2 cartridge) is punctured to rapidly fill a vessel, creating a non-pyrotechnic diversionary effect that eliminates fire and smoke hazards while maintaining the startle effect through pressure wave and sound generation
Solution Approach 2:
The patent uses pneumatic principles by employing a pressurized gas system. The compressed gas cartridge stores pneumatic energy that, when released, rapidly fills the vessel to create the diversionary effect. This pneumatic approach replaces dangerous pyrotechnics with controlled gas expansion, achieving light and sound effects without combustion
2Productivity
If pyrotechnic components are used, then diversionary effect is achieved, but the device becomes single-use and non-reusable
Solution Approach 1:
The patent divides the device into separable components: a reusable main body containing the pressurized gas source, lighting assembly, and control electronics, and a replaceable vessel. After the vessel is depleted, only the vessel needs replacement while the main body remains functional, enabling multiple uses and improving cost-effectiveness
Solution Approach 2:
The patent implements a system where the consumable vessel is discarded after use, but the expensive main body components (pressurized gas source, lighting assembly, electronics) are recovered and reused. This selective replacement strategy maintains productivity while extending device lifespan through multiple deployment cycles
3Productivity
If pyrotechnic flash-bang devices are used, then diversionary effect is created, but flame and obscuring smoke are generated causing unintended injury
Solution Approach 1:
The patent converts the harmful pyrotechnic combustion process into a beneficial non-combustive pressurized gas expansion. The same rapid energy release that previously created dangerous flame and smoke is now achieved through controlled pneumatic expansion, maintaining the diversionary effectiveness while eliminating harmful byproducts
Solution Approach 2:
The patent uses inert compressed gases (nitrogen or CO2) to create a safe atmospheric environment. These inert gases do not support combustion and produce no harmful emissions, replacing the reactive pyrotechnic atmosphere with a safe inert atmosphere that eliminates fire and smoke hazards while maintaining the pressure wave effect
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 provides a safe, reusable, and effective means to create a diversion with controlled sound and light effects, suitable for tactical operations, without the hazards associated with pyrotechnics, and can be used in environments where traditional devices are not feasible.
Implementation Method 1
a pressurized gas source positioned within the main chassis, and upon deployment punctured by a puncture pin of the activation assembly. This releases and routs compressed gas into a vacuous area defined by the vessel, causing it to become over-pressured and rupture
Implementation Method 2
causing it to become over-pressured and rupture. The rupture and subsequent release of the contained pressure creates a desired concussive force and an acoustic impulse
Implementation Method 3
a series of high-intensity lights can be coupled with the device to cause further distraction and possibly even temporary flash blindness
Data Source
AI summary
The disclosed technology regards a reusable, non-pyrotechnic diversionary device having a housing assembly which receives and supports a pressure manifold, activation assembly, and a lighting assembly. The housing assembly includes a vessel, a main chassis, and a transparent lens. Positioned within the main chassis is a pressure manifold which supports a compressed gas source. A puncture pin is provided in the activation assembly, and aligned with the compressed gas source to facilitate puncture of the source. The disclosed technology further regards a reusable, non-pyrotechnic diversionary assembly having a housing assembly and a reloading tool. The reloading tool has an externally threaded inner body with an aperture at its distal end sized to receive the puncture pin, and an outer body sized and internally threaded to rotatably receive a portion of the inner body in its shaft, allowing the inner body to traverse through and from the shaft at its distal end. A threaded interface is provided on the outer body of the reloading tool to align with the first support structure of the pressure manifold. The inner body rotationally translates within the outer body to position the distal end of the inner body relative to the puncture pin and allow it to translate the puncture pin from an active position to a secured position.