Automatic Firearm Barrel Cooling With Copper Fins and Sleeve
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Solution Overview
Problem
Existing cooling systems for rapid-fire weapons and firearms are complicated, limited to specific weapons, and/or fail to effectively dissipate heat from barrels, leading to potential damage due to excessive heat.
Innovation Solution
A cooling system using copper fins protected by a corrosion-resistant cylinder made of brass, nickel, or chromium, interposed between the barrel and fins to prevent corrosion while dissipating heat, with an optional perforated steel shield for additional protection.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If copper cooling fins are placed directly on or around steel barrels to dissipate heat, then heat dissipation efficiency is improved, but the steel barrel and copper fins will corrosively react
Solution Approach 1:
A corrosion-resistant cylinder made of brass, nickel, or chromium is introduced as an intermediary layer between the copper cooling fins and the steel barrel. This intermediate layer prevents direct contact between copper and steel, eliminating the corrosive reaction while allowing thermal energy to transfer from the barrel through the cylinder to the cooling fins for effective heat dissipation.
Solution Approach 2:
The cooling system employs a composite structure consisting of multiple materials with different properties: copper fins for high thermal conductivity, a corrosion-resistant cylinder (brass, nickel, or chromium) for protective barrier function, and steel barrel for structural strength. This composite material approach allows each material to perform its optimal function while working together as an integrated system.
2Temperature
If water-cooling systems are used to cool barrels, then cooling effectiveness is improved, but the system becomes complicated and limited to specific weapons
Solution Approach 1:
The cooling system utilizes the weapon's own operational characteristics to achieve cooling. The high-velocity airflow generated during firing automatically passes through and around the cooling fins, providing forced convection cooling without requiring external water pumps, hoses, or complex fluid delivery systems. The system serves itself using the kinetic energy already present in the operational environment.
Solution Approach 2:
The patent extracts the cooling function from a complex water-cooling system and implements it through simple external fins that rely on ambient airflow. By removing the water circulation infrastructure and using passive or airflow-driven convection, the cooling capability is maintained while dramatically reducing system complexity and making it applicable to various weapon types.
3Productivity
If high rates of fire are used to achieve rapid-fire weapon performance, then firepower is improved, but the barrels become extremely hot and may be damaged
Solution Approach 1:
The cooling fins are pre-installed on the barrel before firing begins, creating a heat dissipation pathway in advance. As soon as firing starts, the fins immediately begin dissipating heat through convection and radiation, preventing temperature from rising to damaging levels even at high rates of fire. The cooling infrastructure is ready beforehand to handle the thermal load.
Solution Approach 2:
The cooling fins provide continuous heat dissipation throughout the firing sequence, maintaining a steady thermal management process. As long as the weapon is firing or cooling, the fins continuously transfer heat from the barrel to the surrounding air, ensuring that temperature remains within safe operating limits during sustained high-rate fire.
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
Effectively dissipates heat from weapon barrels, preventing corrosion and damage, ensuring the weapon's functionality and longevity.
Implementation Method 1
Copper is one of the best conductors of heat, but it cannot be placed directly on or around steel, the material from which barrels are usually constructed, because copper and steel will corrosively react. Thus, the present disclosure provides a sleeve made from brass, nickel, chromium, and the like, which is placed between copper cooling fins and barrels to prevent corrosion while the copper fins act to dissipate heat caused by high rates of fire.
Implementation Method 2
Copper is one of the best conductors of heat, but it cannot be placed directly on or around steel, the material from which barrels are usually constructed, because copper and steel will corrosively react. Thus, the present disclosure provides a sleeve made from brass, nickel, chromium, and the like, which is placed between copper cooling fins and barrels to prevent corrosion
Data Source
AI summary
A barrel cooling system for a weapon includes a corrosion prevention cylinder between a barrel and cooling fins arranged around the cylinder.