Barrel Cooler Shroud and Baffle for Mirage Reduction
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Solution Overview
Problem
Existing gun barrel cooling technologies are inefficient in maintaining consistent temperature, leading to optical distortions and reduced accuracy due to heat-induced mirage, and often require the firearm to be inactive during cooling.
Innovation Solution
A modular barrel cooler system with a fan assembly and adjustable shroud design that directs hot air away from the barrel and optics, maintaining a clear sight picture and extending barrel life.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If traditional passive cooling methods are used, then the barrel temperature is reduced, but the firearm must remain inactive during cooling, reducing productivity
Solution Approach 1:
The cooling system uses the firearm's own exhaust gases as the cooling medium, eliminating the need for external cooling devices or inactive cooling periods. The shroud captures hot exhaust gases and directs them through cooling channels that contact the barrel, allowing continuous operation while maintaining barrel temperature control
Solution Approach 2:
The system utilizes the kinetic energy and flow of exhaust gases (pneumatic principle) to drive the cooling process. The shroud and baffle plate create controlled gas flow paths that force hot exhaust through specific channels, using the gas dynamics to achieve active cooling without mechanical fans or pumps
2Temperature
If active cooling devices are added, then cooling efficiency is improved, but device complexity increases
Solution Approach 1:
The shroud serves multiple functions simultaneously: it captures exhaust gases, directs cooling airflow, protects the barrel, and structures the cooling channels. This multi-functionality reduces the need for separate dedicated cooling components, maintaining simplicity while achieving effective temperature control
Solution Approach 2:
The cooling system is integrated with the existing firearm structure by combining the shroud with the barrel assembly. The cooling channels are formed within the shroud itself rather than as separate attachments, merging the cooling function with the protective shroud structure to minimize overall device complexity
3Temperature
If hot air is expelled upward, then cooling effect is achieved, but a vertical heat signature (mirage) is created, worsening optical conditions
Solution Approach 1:
The shroud and baffle plate create an asymmetric cooling channel configuration that redirects exhaust flow laterally rather than allowing symmetric upward dispersion. The angled surfaces and directed channels force hot gases to exit horizontally or downward, breaking the vertical heat plume that causes mirage while maintaining effective barrel cooling
Solution Approach 2:
The shroud acts as an intermediary structure between the barrel and the environment, capturing and redirecting hot exhaust gases through controlled pathways. This intermediary system prevents direct vertical contact between hot gases and the air above the barrel, eliminating the temperature gradient that causes optical distortion while still achieving cooling
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 system effectively dissipates heat from the barrel surface, reducing optical distortions and enhancing accuracy while allowing continuous firearm use, with customizable features for various barrel lengths and suppressor combinations.
Implementation Method 1
The device employs a fan system to cool and direct hot air away from the barrel and optics
Implementation Method 2
The system effectively dissipates heat from the barrel surface, reducing optical distortions
Data Source
AI summary
A barrel cooler includes a first shroud having a first sidewall and an aperture through a portion of the first sidewall. A second shroud includes a second sidewall and is configured to connect to the first shroud. The second shroud includes a plurality of openings through the second sidewall. A fan assembly is mounted to a bottom of the first shroud at the aperture. The fan assembly includes a fan and is configured to direct air through the aperture in the first shroud. A baffle plate is secured within the first shroud to a side of the aperture opposite the second shroud.