Firearm Suppressor with Conical Baffles and Variable Volume Compartments
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Solution Overview
Problem
Conventional firearm suppressors are ineffective in reducing noise caused by supersonic projectiles breaking the sound barrier and fail to efficiently dissipate the energy of propellant gases, leading to significant noise and flash issues, particularly in military and hunting applications.
Innovation Solution
The suppressor design features conical baffles that create compartments of varying volumes, with a divergent cone half-angle between 7.5 to 22.5 degrees, and a cylindrical structure to guide propellant gases through a series of expanding and compressing compartments, converting pressure energy into kinetic energy, and an annular opening to prolong gas flow, combined with a V-shaped exit nozzle to minimize sound waves.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If conventional suppressor designs are used, then the structure is simple, but the noise reduction effectiveness is insufficient due to inability to handle supersonic projectiles and propellant gas energy
Solution Approach 1:
The suppressor interior is divided into multiple compartments (first compartment, second compartment, third compartment) separated by conical baffles. Each compartment has specific volume ratios (e.g., first compartment largest, second compartment intermediate, third compartment smallest) to progressively dissipate propellant gas energy and reduce noise through staged expansion and compression.
Solution Approach 2:
Different compartments are designed with different volume characteristics - the first compartment has the largest volume for initial gas expansion, the second compartment has intermediate volume for further energy dissipation, and the third compartment has the smallest volume for final noise reduction. Each conical baffle is positioned at specific locations to create localized flow control zones.
2Ease of manufacture
If the suppressor uses uniform compartment volumes, then the manufacturing is simpler, but the noise reduction and energy dissipation efficiency is reduced
Solution Approach 1:
Each compartment is designed with specific volume ratios optimized for progressive energy dissipation. The first compartment has the largest volume to accommodate initial high-pressure propellant gas expansion, the second compartment has intermediate volume for continued energy dissipation, and the third compartment has the smallest volume for final noise reduction, maximizing energy loss at each stage.
Solution Approach 2:
The compartment volumes are varied according to specific ratios (e.g., first compartment largest, subsequent compartments progressively smaller) to optimize the progressive expansion and compression of propellant gases. This parameter variation ensures maximum energy dissipation while maintaining manufacturability through standardized conical baffle designs.
3Object-affected harmful factors
If the suppressor housing is compact, then the portability is better, but the gas flow prolonging effect and noise reduction is insufficient
Solution Approach 1:
Multiple compartments are nested within each other in a compact arrangement, with conical baffles positioned to create successive expansion and compression zones. The first compartment is positioned forward, followed by the second compartment, and then the third compartment, creating a nested structure that maximizes gas flow path length within a compact housing.
Solution Approach 2:
The conical baffles are positioned at specific angles and orientations to create three-dimensional flow paths that prolong gas residence time within the suppressor. The divergent cone angles of the baffles direct gas flow in multiple dimensions, extending the effective gas flow path without proportionally increasing the suppressor's external length.
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 design significantly reduces noise by dissipating pressure waves and converting chemical-thermal energy into high velocity gas, effectively minimizing noise and flash, while maintaining the accuracy and usability of the firearm.
Implementation Method 1
converting pressure energy into kinetic energy
Implementation Method 2
guide propellant gases through a series of expanding and compressing compartments
Implementation Method 3
V-shaped exit nozzle to minimize sound waves
Data Source
AI summary
A firearm suppressor (1) comprising - a suppressor housing (10) defining the outer surface of the suppressor (1), - mounting means (2) for fastening/detaching the suppressor (1) with a barrel (70) of the firearm (7) and having an aperture (20) for a projectile (8) and propellant gases of the firearm (7) to enter the suppressor (1), - an interior arranged to form a number of compartments (30), which are separated by conical baffles (3) having an aperture (32) for the projectile to pass through, - an exit aperture (60) for the projectile (8) and the propellant gases to exit the suppressor (1), - the compartments (30) formed by the conical baffles (3) are different in volume so that in the order of advancing projectile path (PP) the largest compartment (30) is followed by number of smaller compartments (30).