Gas Block Assembly with Linear Tube for Reduced Recoil
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Solution Overview
Problem
The originally designed gas system for firearms, particularly in shorter-barreled rifles, captures gas energy further away from the chamber, resulting in a softer energy impulse that increases stress on the working parts and transfers more recoil energy to the shooter.
Innovation Solution
A modified gas block assembly with a substantially linear, low-profile design using a primary and initial gas tube in fluid communication, reducing the overall gas tube length to 15 inches, which allows for a softer cycling action and reduces recoil energy by capturing gas closer to the chamber, thereby reducing stress on the firearm's working parts.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If gas is captured further away from the chamber (longer gas tube), then the energy impulse is softer, but stress on working parts increases and recoil energy increases
Solution Approach 1:
The patent changes the physical parameters of the gas system by reducing the gas tube length from traditional longer lengths to approximately 15 inches, and by adjusting the gas port positioning closer to the chamber. This parameter change captures gas at higher pressure and temperature, creating a more efficient energy impulse that reduces both felt recoil and stress on working parts through optimized gas expansion characteristics
2Object-affected harmful factors
If gas tube length is reduced to capture gas closer to chamber, then recoil energy is reduced, but the gas system becomes more complex
Solution Approach 1:
The patent merges the gas block and gas tube into an integrated assembly where the gas tube is directly attached to the gas block with minimal intervening components. This merging simplifies the overall structure despite the reduced length, eliminating the need for separate mounting brackets, additional seals, or complex alignment mechanisms that would increase complexity
3Ease of operation
If gas is captured closer to the chamber, then cycling action becomes softer, but manufacturing precision requirements increase
Solution Approach 1:
The patent designs the gas block with a standardized interface and alignment features that create an equipotential mounting system, where the gas tube automatically aligns with the gas port through precision-machined reference surfaces and locating features. This approach distributes the precision requirements across multiple standardized interfaces rather than requiring extreme precision at a single critical point
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 gas block assembly provides a desirable amount of propellant gas for cycling the bolt, reduces felt recoil, and allows for a softer cycling action, minimizing stress on the firearm's components and improving handling.
Implementation Method 1
gas from the burning propellant forces the bullet through the barrel. Before the bullet leaves the barrel, a portion of the gas enters a gas port in the upper part of the barrel
Implementation Method 2
the compressed recoil spring expands, driving the buffer assembly forward with enough force to drive the bolt carrier group forward
Data Source
AI summary
A gas block assembly, including at least some of a gas block having a barrel borehole; an initial gas tube at least partially received within at least a portion of the gas block; and a primary gas tube at least partially received within at least a portion of the gas block, wherein an interior of the barrel borehole is in fluid communication with the initial gas tube, and wherein the initial gas tube is in fluid communication with the primary gas tube.