Gas Regulator Block for Firearm Cyclic Rate Control
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Solution Overview
Problem
Gas operated firearms face issues with gas leakage, overheating, and cyclic rate increase due to gas port erosion, leading to reduced reliability and durability, especially during sustained fully automatic fire.
Innovation Solution
The solution involves relocating the gas port forward on the barrel, using a gas regulator block with an adjustable gas passage, and employing a heat dissipating gas tube with enhanced heat accommodation to manage thermal expansion and erosion, along with an anti-bounce assembly to mitigate cyclic rate increases.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the gas port is relocated forward on the barrel, then gas leakage is reduced and cyclic rate is controlled, but the structural complexity of the gas system increases
Solution Approach 1:
The gas system is divided into separate functional modules: a gas regulator block with an adjustable gas passage, a heat dissipating gas tube, and an anti-bounce assembly. This segmentation allows each component to address specific issues (gas leakage, overheating, cyclic rate) independently, making the overall system more manageable despite the increased number of parts.
Solution Approach 2:
The gas regulator block acts as an intermediary component between the barrel and the gas tube. It includes an adjustable gas passage that mediates the gas flow, controlling the cyclic rate and reducing gas leakage while allowing for adaptability to different operating conditions.
2Temperature
If a heat dissipating gas tube with enhanced heat accommodation is used, then thermal expansion and overheating are managed, but the weight and complexity of the gas system increase
Solution Approach 1:
The gas tube's physical parameters are modified to enhance heat dissipation capabilities. This includes changes in wall thickness, material composition, or geometric features that increase thermal conductivity or surface area for heat dissipation, allowing the tube to manage thermal expansion during sustained firing without excessive weight gain.
3Productivity
If an adjustable gas passage is implemented in the gas regulator block, then gas flow can be regulated to control cyclic rate, but the device complexity and manufacturing difficulty increase
Solution Approach 1:
The gas passage is designed to be adjustable rather than fixed, allowing the cyclic rate to be dynamically controlled based on operating conditions. This adjustability is achieved through a mechanism that permits modification of the gas passage geometry, enabling optimization of gas flow for different ammunition types and firing rates.
Solution Approach 2:
The gas regulator block serves multiple functions: it regulates gas flow to control cyclic rate, accommodates heat dissipation, and provides adjustability for different operating conditions. This multi-functionality consolidates several subsystems into a single component, potentially simplifying manufacturing despite the increased functional complexity.
4Duration of action of stationary object
If the gas port is positioned forward, then erosion resistance is improved, but the gas pressure and force available for operation are reduced
Solution Approach 1:
The gas regulator block with its adjustable gas passage is positioned to intercept and regulate gas flow before it reaches the gas tube. This preliminary action controls the gas pressure and flow rate, ensuring that sufficient force is available for operation while preventing excessive gas pressure that would accelerate erosion of the forward-positioned gas port.
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
This configuration reduces gas leakage, maintains consistent operation, extends the life of the firearm by preventing overheating and erosion, and enhances reliability by controlling the cyclic rate and reducing wear on components.
Implementation Method 1
A gas regulator block can be configured to mount to a barrel of a firearm. A gas regulator can be disposed substantially within the gas regulator block and can be configured to adjustably vary an amount of gas flow through the gas regulator block.
Implementation Method 2
The gas tube can have a heat dissipater formed thereon. The heat dissipater can comprise a plurality of fins formed on an outer surface of the gas tube.
Implementation Method 3
A heat dissipating gas tube with enhanced heat accommodation to manage thermal expansion and erosion
Implementation Method 4
Contemporary gas operated firearms commonly use a plurality of piston rings which fit into a groove of the piston and provide a gas seal between the piston and the cylinder to mitigate gas leakage.
Implementation Method 5
an anti-bounce assembly to mitigate cyclic rate increases
Data Source
AI summary
A gas regulator block can be configured to mount to a barrel of a firearm. A gas regulator can be disposed substantially within the gas regulator block and can be configured to adjustably vary an amount of gas flow through the gas regulator block. A cover may be configured to cover a portion of the gas regulator block to inhibit inadvertent adjustment of the amount of gas flow and configured to uncover the portion of the gas regulator block to facilitate intentional adjustment of the amount of gas flow. A gas passage can be formed in the gas regulator block in a forward location and the gas port can be configured to communicate gas from the barrel to the gas regulator.