Fuel-Powered Paintball Marker Using Two-Stage Combustion
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Solution Overview
Problem
Existing paintball markers are limited by low fire rates and limited shot capacity due to mechanical and electropneumatic designs, and traditional compressed gas systems restrict performance and practicality in competitive paintball sports.
Innovation Solution
A fuel-powered paintball marker with a two-stage combustion system that separates fuel and oxidizing agent in the first stage and combines them in the second stage for ignition, using a solenoid-controlled separation assembly and ambient air, to achieve high cycle rates and increased shot capacity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional compressed gas systems are used, then safety is improved, but fire rate is limited to low levels
Solution Approach 1:
The system divides the propellant system into separate fuel and oxidizer storage tanks, with the oxidizer being liquid oxygen stored in a dedicated tank. This segmentation allows for controlled mixing and combustion, enabling high fire rates while maintaining safety through separate storage of combustion components.
Solution Approach 2:
The invention changes the state of the oxidizer from gaseous to liquid form (liquid oxygen), dramatically increasing its density and energy content. This parameter change allows for compact storage and high-energy combustion, achieving both high fire rates and extended shot capacity without proportionally increasing tank size.
2Quantity of substance
If larger gas cylinders are used to extend shot capacity, then shot capacity is improved, but portability and practicality deteriorate
Solution Approach 1:
By storing oxygen in liquid form rather than gaseous form, the system achieves much higher density in a compact volume. This allows extended shot capacity with proportionally smaller tank sizes, maintaining portability and practicality for competitive paintball sports.
Solution Approach 2:
The invention extracts the oxidizer (oxygen) from traditional compressed air systems and stores it separately as liquid oxygen. This extraction allows for more efficient energy density and extended shot capacity without the bulk of traditional large gas cylinders.
3Device complexity
If mechanical trigger systems are used, then structural simplicity is maintained, but practical fire rate is limited to around 10 bps
Solution Approach 1:
The invention replaces the mechanical trigger and sear system with an electric trigger system that uses an electromagnet to release the hammer. This substitution eliminates the limitations of mechanical finger pressure actuation, enabling practical fire rates in excess of 10 bps while maintaining overall system simplicity.
Solution Approach 2:
The system incorporates a dynamic cycle where the hammer is rapidly reset by a spring after each trigger pull, and the electromagnet provides instantaneous release. This dynamic operation allows for much faster cycling compared to static mechanical systems, achieving high practical fire rates.
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 enables fire rates exceeding 20 bps and extends the number of shots per tank size, enhancing performance and practicality in paintball sports by reducing the need for large gas cylinders.
Implementation Method 1
an ignition that ignites the fuel and oxidizing agent in the combustion chamber driving the piston forward and compressing a gas in the compression chamber thereby ejecting a projectile
Data Source
AI summary
A fuel powered paint marker having a first stage and a second stage comprising: a housing; a combustion chamber; a piston; a compression chamber; a fuel system; an oxidizing system; an oxidizing agent; a fuel assembly included in the fuel system; a separation assembly included in the fuel system and separating the oxidizing agent from the fuel assembly in the first stage; a bolt drive system; a fuel nozzle included in the fuel system for injecting fuel into the combustion chamber during the second stage; and, an ignition for igniting the fuel and oxidating agent in the combustion chamber driving the piston forward and compressing a gas in the compression chamber thereby ejecting a projectile wherein the fuel and oxidizing agent are separated during the first stage and mixed in the combustion chamber.