Firearm Expansion Chamber Assembly for Noise, Flash, and Recoil Reduction
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Solution Overview
Problem
Existing firearm silencers are heavy, costly, difficult to assemble, and do not effectively reduce muzzle flash and recoil, while also failing to significantly diminish noise levels.
Innovation Solution
An expansion chamber assembly comprising an outer tube, inner tube, front and rear caps, and sound-absorbing materials that decelerate and cool expanding gases, allowing them to exit through apertures to reduce noise, flash, and recoil, with removable or integral attachment to the firearm barrel.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If traditional silencers with multiple baffles and intermediate spacers are used, then noise reduction is attempted, but the device becomes heavy, complex, and expensive to manufacture
Solution Approach 1:
The silencer is divided into multiple expansion chambers arranged in series, each chamber independently expanding and cooling the gas. This segmentation allows noise reduction through progressive expansion while maintaining a simpler overall structure compared to traditional multi-baffle designs.
Solution Approach 2:
The expansion chambers are nested within each other in a compact arrangement, with each chamber contained within the previous larger chamber. This nesting achieves effective noise reduction through multiple expansion stages while minimizing the overall device size and complexity.
2Object-affected harmful factors
If traditional silencers with multiple baffles are used, then noise reduction is attempted, but the manufacturing cost increases
Solution Approach 1:
Multiple expansion chambers are merged into a single integrated structure rather than using separate baffle components. This combining of functions into unified chambers reduces the number of discrete parts, simplifies manufacturing processes, and lowers overall production costs while maintaining effective noise reduction.
Solution Approach 2:
Each expansion chamber serves multiple functions simultaneously: expanding the gas, cooling it, and reducing noise. This multi-functionality eliminates the need for separate components for each function, thereby reducing manufacturing complexity and cost.
3Object-affected harmful factors
If traditional silencers are used, then some noise reduction is achieved, but muzzle flash and recoil are not significantly reduced
Solution Approach 1:
The expansion chambers are designed to progressively change the physical parameters of the expanding gas - increasing volume, decreasing pressure, and reducing temperature. These parameter changes effectively reduce noise, muzzle flash, and recoil simultaneously by controlling the gas expansion process through multiple staged chambers.
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 expansion chamber assembly effectively reduces noise, muzzle flash, and recoil by decelerating and cooling expanding gases, providing a cost-effective and efficient solution for noise reduction.
Implementation Method 1
sound-absorbing materials that decelerate and cool expanding gases
Implementation Method 2
sound-absorbing materials that decelerate and cool expanding gases
Implementation Method 3
expanding gases
Data Source
AI summary
A expansion chamber assembly for a firearm is disclosed. The expansion chamber contains an outer tube containing a front end and a rear end, a front cap coupled with the outer tube at the front end, a rear cap coupled with the outer tube at the rear end, an inner tube retained within the outer tube by the front cap and the rear cap, wherein the inner cap contains one or more through apertures to allow expanding gasses to move from the inner tube into the outer tube, and one or more exit apertures to allow expensing gases to exit the expansion chamber assembly.