Heat Resistant Suppressor Sleeves for Thermal Management

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Solution Overview

Problem

Firearm suppressors become excessively heated during continuous or repetitive firing, posing safety hazards and susceptibility to damage, and existing solutions fail to effectively manage heat and protect against impact and chemical damage.

Innovation Solution

The use of suppressor sleeves made from heat-resistant materials like neoprene, silicone, or flourosilicone, which provide insulation, reduce IR signature, and protect the suppressor from external damage by fitting over the suppressor or barrel, featuring interlocking joints and venting structures to dissipate heat and gases, while also offering a secure grip and noise reduction.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Temperature

If suppressors are made of heat-resistant materials and attached directly to the muzzle, then heat resistance is improved, but the suppressor becomes dangerous to touch and retains excessive heat energy

Engineering Contradiction:
Improveheat resistanceVSAvoidburn hazard
Core Design Contradiction:
TemperatureVSObject-affected harmful factors

Solution Approach 1:

A suppressor sleeve made of heat-resistant material (neoprene, silicone, or flourosilicone) is introduced as an intermediary layer between the hot suppressor and the operator's hand. The sleeve provides thermal insulation, allowing safe handling of the suppressor during and after firing while maintaining the suppressor's heat-resistant construction.

Inventive Principle:
Principle #24Intermediary (Mediator)

Solution Approach 2:

The suppressor sleeve is constructed from flexible heat-resistant materials that can conform to the suppressor's shape. These materials provide thermal insulation through their inherent low thermal conductivity properties, creating a protective barrier that prevents heat transfer to the operator's hand.

Inventive Principle:
Principle #30Flexible shells and thin films

2Object-generated harmful factors

If suppressors are attached directly to the muzzle, then sound suppression is achieved, but the suppressor becomes fully exposed to impact damage

Engineering Contradiction:
Improvesound suppressionVSAvoidimpact resistance
Core Design Contradiction:
Object-generated harmful factorsVSReliability

Solution Approach 1:

The suppressor sleeve acts as a flexible protective shell that surrounds the suppressor. While not rigid, it provides a first line of defense against impact damage, absorbing minor impacts and preventing direct contact between the suppressor and external objects during transport or handling.

Inventive Principle:
Principle #30Flexible shells and thin films

Solution Approach 2:

The suppressor sleeve provides preemptive protection by surrounding the suppressor before any impact occurs. The material absorbs and distributes impact forces, reducing the risk of damage to the suppressor during transport, storage, or inadvertent contact with objects.

Inventive Principle:
Principle #11Beforehand cushioning (Prior cushioning)

3Temperature

If heat-resistant materials are used for suppressor sleeves, then thermal insulation is improved, but the complexity of the weapon system increases

Engineering Contradiction:
Improvethermal insulationVSAvoidsystem complexity
Core Design Contradiction:
TemperatureVSDevice complexity

Solution Approach 1:

The suppressor sleeve is a simple, flexible covering that slides over the suppressor in seconds. The one-piece construction eliminates complex assembly requirements, and the elastic nature of the material allows it to conform to different suppressor shapes and sizes without requiring custom fitting or adjustment mechanisms.

Inventive Principle:
Principle #30Flexible shells and thin films

Solution Approach 2:

The suppressor sleeve serves multiple functions simultaneously: thermal insulation, impact protection, chemical resistance, and grip enhancement. This multi-functionality reduces the need for additional separate components, thereby minimizing overall system complexity while providing comprehensive protection.

Inventive Principle:
Principle #6Universality (Multi-functionality)

4Object-affected harmful factors

If the suppressor is covered with an insulating sleeve, then safe handling is improved, but the dissipation of heat and gases may be affected

Engineering Contradiction:
Improvesafe handlingVSAvoidheat dissipation
Core Design Contradiction:
Object-affected harmful factorsVSTemperature

Solution Approach 1:

The suppressor sleeve is designed with sufficient thermal insulation properties to protect the operator's hand, yet thin enough to allow heat to dissipate from the suppressor over time. The material's low thermal conductivity provides protection when needed while not completely trapping heat, allowing passive cooling to occur.

Inventive Principle:
Principle #30Flexible shells and thin films

Solution Approach 2:

The sleeve provides partial insulation - enough to protect against brief contact with hot surfaces, but not so much as to prevent eventual heat dissipation. This balanced approach allows safe handling during and immediately after firing while permitting the suppressor to cool down during extended periods of non-use.

Inventive Principle:
Principle #16Partial or excessive action

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 sleeves effectively manage heat, reducing the risk of burns and damage, allowing safe handling and storage, while minimizing noise and vibration, and protecting the suppressor from external hazards through efficient thermal management and material properties.

Implementation Method 1

The suppressor sleeves and suppressor sleeve assemblies are used to insulate heat, reduce IR signature, and to minimize the mirage effect that the suppressor generates and emits during normal use.

Methodology Applied
Scientific EffectThermal insulation: Thermal Insulation

Implementation Method 2

The suppressor sleeves and suppressor sleeve assemblies are used to insulate heat, reduce IR signature, and to minimize the mirage effect that the suppressor generates and emits during normal use.

Methodology Applied
Scientific EffectInfrared radiation blocking: Absorption (EM radiation)

Implementation Method 3

The insulating rings and gaps of the sleeve structure allow hot air to be cooled and diffused during use and can be present on the inside, outside or both inside and outside of the sleeve.

Methodology Applied
Scientific EffectConvection: Convection

Data Source

PatentUS9140511B2Barrel and suppressor sleeves and heat resistant weapon accessories
Publication Date: 2015.09.22 MICHAL FR J
  • US9140511B2 patent drawing
  • US9140511B2 patent drawing
  • US9140511B2 patent drawing

AI summary

Suppressor sleeves and gun barrel sleeves and covers have longitudinal interior splines and venting valleys and exterior ribs arranged at angles relative to the interior splines. One or more sleeves and caps are combined to provide suppressor sleeve assemblies and gun barrel covers and related weapon accessories.