Gun Barrel Thermal Indicator Using Thermochromic Feedback

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Solution Overview

Problem

Excessive gun barrel heating leads to reduced firing accuracy, barrel erosion, and safety concerns due to high temperatures that can cause burns and damage storage materials, with existing solutions failing to effectively address these issues.

Innovation Solution

A novel gun barrel thermal indicator system using thermogenic compounds, such as thermochromic indicators, that change color or display temperature readings when pre-determined thresholds are reached, indicating safe or unsafe conditions for handling and storage.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If repeated firing is performed to achieve high productivity, then productivity increases, but barrel temperature increases causing harmful effects

Engineering Contradiction:
Improvefiring rateVSAvoidbarrel temperature
Core Design Contradiction:
ProductivityVSTemperature

Solution Approach 1:

The patent applies feedback by implementing a thermal indicator system that provides real-time temperature information to the shooter. The indicator visually displays barrel temperature, enabling the shooter to adjust firing rate or pause when temperature thresholds are approached, thus preventing excessive heating while maintaining high productivity during safe operating conditions.

Inventive Principle:
Principle #23Feedback

Solution Approach 2:

The patent utilizes color changes through thermochromic materials that change color at specific temperature thresholds. The indicator transitions through different colors (e.g., green for safe, yellow for caution, red for danger) to communicate barrel temperature status, allowing immediate visual feedback without requiring electronic displays or power sources.

Inventive Principle:
Principle #32Color changes

2Object-affected harmful factors

If waiting time is extended to allow barrel cooling, then temperature decreases improving safety, but loss of time increases

Engineering Contradiction:
Improveburn riskVSAvoidcooling wait time
Core Design Contradiction:
Object-affected harmful factorsVSLoss of time

Solution Approach 1:

The patent applies preliminary action by providing continuous temperature monitoring that alerts the shooter before the barrel reaches dangerous temperature levels. The indicator shows approaching thresholds in advance, allowing the shooter to proactively reduce firing rate or pause before excessive heating occurs, eliminating the need for extended cooling wait times while preventing burns.

Inventive Principle:
Principle #10Preliminary action

3Device complexity

If traditional temperature checking by touch is used, then no additional device complexity is required, but reliability decreases due to safety risks

Engineering Contradiction:
Improvesystem simplicityVSAvoidsafety assurance
Core Design Contradiction:
Device complexityVSReliability

Solution Approach 1:

The patent introduces an intermediary thermal indicator system that mediates between the barrel temperature and the shooter's knowledge. Instead of directly touching the barrel to sense temperature, the shooter observes the indicator which has already safely measured and displayed the temperature information, eliminating direct exposure to hot surfaces while maintaining simple visual interpretation.

Inventive Principle:
Principle #24Intermediary (Mediator)

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

Provides real-time temperature monitoring, preventing burns and barrel damage by alerting users when the barrel is unsafe to touch or store, and indicating imminent failure, thus extending barrel life and ensuring user safety.

Implementation Method 1

a first thermogenic indicator (3) may be calibrated to transmit a temperature signal by a color change when the gun barrel has reached a pre-determined temperature threshold that will cause burns

Methodology Applied
Scientific EffectThermochromism: Thermochromism

Implementation Method 2

at least one barrel coupler (5) configured to be secured with a gun barrel such that thermal energy generated within the gun barrel is transferred to the barrel coupler

Methodology Applied
Scientific EffectThermal conduction: Conduction (thermal)

Data Source

PatentUS10890398B2Gun barrel thermal indicator
Publication Date: 2021.01.12 CAVEMAN LLC
  • US10890398B2 patent drawing
  • US10890398B2 patent drawing
  • US10890398B2 patent drawing

AI summary

The inventive technology comprises a novel gun barrel thermal indicator system that incorporates one or more thermogenic compounds that may be coupled to a gun barrel and indicate the temperature of a gun barrel during and after use. Additional embodiments may comprise a digital gun barrel thermal indicator system that may be coupled to a gun barrel and digitally indicate the temperature of a gun barrel during and after use. This novel gun barrel thermal indicator system may indicate the temperature at which the gun barrel will cause burns, is unsafe to store, or if a pre-determined threshold temperature has been reached resulting in a loss of firing accuracy, as well as imminent and/or actual barrel failure.