Adjustable Gas Flow Control Member for Firearm Impingement Block
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Solution Overview
Problem
Current impingement systems in firearms suffer from continuous carbon-laden gas introduction, leading to contaminant buildup and excessive heat, which reduces component effectiveness, causes misfiring, jamming, and increased wear, and lack adequate gas flow control, resulting in frequent cleaning needs and premature component failure.
Innovation Solution
An adjustable gas flow control member is integrated into the impingement gas block, featuring a shaft with multiple sides for precise rotational control, a keeper for biasing the shaft, and a mounting member for secure fastening, allowing for stepped control of gas flow to mitigate contaminant buildup and heat issues.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If gas flow control is not implemented, then the impingement system operates continuously, but contaminant buildup and heat accumulation occur, reducing component effectiveness and increasing maintenance needs
Solution Approach 1:
The gas flow control member enables periodic or intermittent gas flow through the impingement block rather than continuous flow. This allows the system to cycle between gas flow and rest periods, preventing contaminant accumulation while maintaining bolt carrier cycling functionality. The adjustable control member lets users set optimal flow intervals to balance cleaning effectiveness with contamination prevention.
Solution Approach 2:
The gas flow control member allows adjustment of gas flow parameters (flow rate, pressure, timing) to optimize system performance. By changing these parameters, the system can operate at reduced flow rates that minimize contaminant buildup and heat generation while still achieving sufficient gas pressure to cycle the bolt carrier, thereby improving component reliability.
2Duration of action of stationary object
If gas flow control is not implemented, then the impingement system operates continuously, but excessive heat build-up occurs, causing increased wear and premature component failure
Solution Approach 1:
By implementing periodic gas flow instead of continuous flow, the system allows heat dissipation during rest periods. This reduces cumulative heat build-up in the impingement block and surrounding components, decreasing thermal stress and extending component lifespan while maintaining effective operation during active firing cycles.
Solution Approach 2:
Adjusting gas flow parameters through the control member optimizes the balance between generating sufficient heat for effective impingement and preventing excessive heat accumulation. Lower flow rates reduce heat generation, while periodic operation allows thermal management, collectively reducing wear and extending component life.
3Reliability
If gas flow control is not implemented, then the impingement system operates continuously, but flow blow-back into the barrel occurs, creating a need for more frequent cleaning
Solution Approach 1:
The gas flow control member allows precise adjustment of gas flow parameters to prevent blow-back into the barrel. By optimizing flow rate and timing, the system directs gas flow appropriately through the impingement block without allowing excessive pressure or flow to reverse into the barrel, thereby reducing contaminant deposition on the barrel interior and maintaining firing reliability.
4Reliability
If gas flow control is not implemented, then the impingement system operates continuously, but excess pressure is applied on the impingement system block, increasing wear and leading to early failure
Solution Approach 1:
The gas flow control member enables adjustment of gas flow parameters to optimize pressure management. By controlling flow rate and timing, the system maintains sufficient pressure for reliable bolt carrier cycling while preventing excessive pressure buildup that would increase wear on the impingement block and other components, thereby extending system reliability.
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 adjustable gas flow control system effectively reduces contaminant accumulation and heat buildup, enhancing firearm performance by providing precise calibration and reducing maintenance needs, thereby extending component lifespan and improving operational reliability.
Implementation Method 1
an adjustable gas flow control member operable to control the flow of gas directed into and outwards from the impingement block
Data Source
AI summary
A firearm impingement apparatus that includes a gas flow control member that is operable to provide controlled incremental adjustment of gas flow within the gas block of the firearm impingement apparatus. The firearm impingement apparatus includes a gas block having a port line with an intersecting channel. Rotatably secured within the intersecting channel is a gas flow control member. The gas flow control member includes a first end, a second end and a shaft intermediate thereto. The shaft includes at least three planar sides. A keeper is secured within a mounting member and is positioned such that a portion thereof is biased against the shaft. The keeper is planar in manner and is operable to provide controlled rotation of the gas flow control member within the channel. Further the keeper functions to maintain the position of the gas flow control member.