Firearm Suppressor Gas Deflector for Noise and Weight Reduction

Resolve Bottlenecks,
Find Innovative Solutions
Generate Solutions

Solution Overview

Problem

Conventional firearm suppressors face issues such as excess heat build-up, gas accumulation, and increased pressure, which can affect the performance of autoloading firearms and reduce noise reduction effectiveness, while also adding length and weight to the firearm.

Innovation Solution

A firearm suppressor design incorporating a gas deflector that deflects gases away from the projectile path, reducing gas accumulation and enhancing noise reduction, and utilizing a central baffle tube and periphery baffle tubes to redirect gases and minimize noise generation.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Object-affected harmful factors

If conventional suppressor design with baffled or tortuous pathway is used, then noise reduction is improved, but gas accumulation and heat build-up increase

Engineering Contradiction:
Improvenoise emissionsVSAvoidgas accumulation
Core Design Contradiction:
Object-affected harmful factorsVSQuantity of substance

Solution Approach 1:

The suppressor is divided into multiple chambers (first chamber, second chamber, third chamber) separated by baffles, with each chamber serving a specific function in gas management and noise reduction. The deflector chamber is further segmented by a deflector element that divides the chamber into first and second portions, creating multiple flow paths for exhaust gases.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

A deflector element is introduced as an intermediary component within the deflector chamber to redirect exhaust gases away from the projectile path. This deflector acts as a mediator between the high-pressure exhaust gases and the projectile, preventing gas accumulation in the projectile path while maintaining noise reduction effectiveness.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Object-affected harmful factors

If suppressor internal volume is maximized for noise reduction, then noise reduction is improved, but suppressor length and weight increase

Engineering Contradiction:
Improvenoise emissionsVSAvoidsuppressor length
Core Design Contradiction:
Object-affected harmful factorsVSLength of stationary object

Solution Approach 1:

The suppressor employs a nested chamber configuration where the second chamber is positioned within or adjacent to the first chamber, and the third chamber is integrated with the second chamber. The deflector chamber is nested within the overall suppressor structure, allowing multiple functional chambers to occupy compact space efficiently.

Inventive Principle:
Principle #7Nested doll (Nesting)

Solution Approach 2:

The suppressor design transitions from a linear elongated structure to a more compact three-dimensional arrangement with chambers positioned in multiple spatial dimensions. The deflectors and baffles create complex internal flow paths that utilize vertical and radial spaces rather than only longitudinal extension.

Inventive Principle:
Principle #17Another dimension (Dimensionality change)

3Object-affected harmful factors

If suppressor internal volume is maximized for noise reduction, then noise reduction is improved, but suppressor weight increases

Engineering Contradiction:
Improvenoise emissionsVSAvoidsuppressor weight
Core Design Contradiction:
Object-affected harmful factorsVSWeight of stationary object

Solution Approach 1:

The suppressor employs a nested chamber configuration where the second chamber is positioned within or adjacent to the first chamber, and the third chamber is integrated with the second chamber. The deflector chamber is nested within the overall suppressor structure, allowing multiple functional chambers to occupy compact space efficiently.

Inventive Principle:
Principle #7Nested doll (Nesting)

Solution Approach 2:

The suppressor utilizes composite construction methods, potentially combining different materials with varying properties for different chambers and components. The deflector element and baffles may be made from materials optimized for their specific functions, balancing weight, heat resistance, and acoustic properties.

Inventive Principle:
Principle #40Composite materials

4Productivity

If exhaust gases are tapped for autoloading operation, then autoloading performance is improved, but gas pressure within suppressor increases

Engineering Contradiction:
Improveautoloading cycling speedVSAvoidgas pressure within suppressor
Core Design Contradiction:
ProductivityVSStress or pressure

Solution Approach 1:

A port is provided in the second chamber that communicates with the exhaust gas tap of the firearm, allowing a controlled portion of exhaust gases to be extracted for operating the autoloading mechanism. This extraction occurs at a specific location within the suppressor where pressure has been partially reduced, minimizing the impact on overall suppressor pressure.

Inventive Principle:
Principle #2Taking out (Extraction)

Solution Approach 2:

The suppressor design creates different local conditions within various chambers, with the second chamber specifically configured to provide exhaust gases at reduced pressure for autoloading operation. The deflector chamber and its components are locally optimized to manage gas flow and pressure distribution, allowing different regions to serve different functions.

Inventive Principle:
Principle #3Local quality

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 suppressor design effectively reduces noise emissions, improves operating performance of autoloading firearms, and minimizes length and weight, while maintaining effective noise reduction and reducing the likelihood of gas accumulation.

Implementation Method 1

a deflector extending from the projectile entrance cantilevered outward into the deflector chamber, and the deflector extending along a central axis of the suppressor. In this way, gases flowing to the suppressor at the projectile entrance may be deflected by the deflector away from a path of a projectile through the suppressor

Methodology Applied
Scientific EffectGas deflection:

Implementation Method 2

When in action, firearm suppressors lower the kinetic energy and pressure of the propellant gases and thereby reduce the decibel level of the resultant noises. Suppressor design(s) utilize static geometry to induce pressure loss across the device by means that may include rapid expansion and contraction

Methodology Applied
Scientific EffectPressure reduction through expansion:

Implementation Method 3

Typical suppressor design approaches used to optimize firearms noise reduction include maximizing internal volume, and providing a baffled or tortuous pathway for propellant gas egress

Methodology Applied
Scientific EffectAcoustic damping: Damping

Data Source

PatentUS11609058B2Firearm suppressor with gas deflector
Publication Date: 2023.03.21 TRUE VELOCITY IP HOLDINGS LLC
  • US11609058B2 patent drawing
  • US11609058B2 patent drawing
  • US11609058B2 patent drawing

AI summary

Methods and systems are provided for firearm sound suppressors including a gas deflector. In one example, a suppressor comprises a housing, a projectile entrance, a projectile exit, one or more baffles, and a deflector chamber. The deflector extending outward from the housing and the deflector curving around a central axis of the suppressor.