Onboard Electric Pump Assembly for Precise Air Gun Pressure Control
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Solution Overview
Problem
Existing PCP air guns rely on external equipment for air charging, which is cumbersome and lacks integrated control over the air charging process, leading to inefficiency and safety concerns due to inconsistent pressure levels.
Innovation Solution
An air gun with an onboard electric pump assembly that includes a multi-stage air pumping system, a gearbox assembly, a high-speed DC motor, and a controller for precise pressure control, allowing seamless integration and monitoring of air pressure within the air tube assembly.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If external equipment (hand pumps or air compressors) is used to recharge the air reservoir, then the air charging function is achieved, but the portability and convenience are reduced due to the need to carry additional equipment
Solution Approach 1:
The patent integrates the air pump assembly directly into the air gun body, combining the charging function with the firearm. The pump assembly includes a motor, pumping mechanism, and air storage chamber that are all housed within the gun's structure, eliminating the need for separate external charging equipment.
Solution Approach 2:
The air gun becomes self-sufficient by incorporating its own air generation system. The onboard pump can recharge the air reservoir independently without requiring external hand pumps or compressors, allowing the device to service itself in the field.
2Adaptability or versatility
If external equipment is used for air charging, then the charging function is provided, but the system integration and control are lost
Solution Approach 1:
The control system for the air pump is integrated into the air gun's existing electronics. The firing mechanism's trigger assembly or dedicated controls operate the pump, and the same display and interface used for firing parameters are used to monitor and control air pressure and charging status.
Solution Approach 2:
The air gun's existing control electronics serve dual purposes: controlling the firing mechanism and managing the air pump system. A single interface handles both projectile discharge and air reservoir management, eliminating the need for separate control systems.
3Reliability
If pressure monitoring and control are not implemented, then the system remains simple, but performance consistency and safety are compromised
Solution Approach 1:
Pressure sensors continuously monitor the air reservoir and provide real-time feedback to the control system. The display shows current pressure levels, and the system automatically controls the pump to maintain optimal pressure ranges, ensuring consistent performance and preventing dangerous over-pressurization.
Solution Approach 2:
The air gun's control system automatically manages air pressure without user intervention. The pump activates when pressure drops below a threshold and stops when the optimal range is reached, with the system self-regulating to maintain safe and consistent operating conditions.
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 onboard electric pump system enables efficient, portable, and safe air charging with precise pressure control, ensuring consistent performance and safety by integrating air charging directly into the air gun, eliminating the need for external equipment.
Implementation Method 1
a high-speed DC motor powered by the battery
Implementation Method 2
a multi-stage air pumping assembly configured to sequentially increase air pressure in multiple stages to a predetermined level before charging the air tube assembly
Data Source
AI summary
The present disclosure provides an onboard electric pump assembly for an air gun. The onboard electric pump assembly includes: a high-speed DC motor powered by a battery; a controller that is operable by a user through a user interface, where the controller is configured to control the high-speed DC motor, and a mounting structure to mount the high-speed DC motor within the air gun an air gun.