Onboard Electric Pump Air Gun With Multi-Stage Pressure Control
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Solution Overview
Problem
Current PCP air guns rely on external equipment for air charging, making them less portable and cumbersome, and lack integrated control over the air charging process, which compromises performance and safety due to inconsistent pressure levels.
Innovation Solution
An onboard electric pump assembly with a multi-stage air pumping system, controlled by a user interface and pressure monitor, which sequentially increases air pressure in stages and includes a gearbox assembly with bevel gears to drive pumping actions, ensuring precise pressure control and monitoring.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If external equipment (hand pumps or air compressors) is used to recharge the air reservoir, then the air reservoir can be recharged, but the system becomes less portable and more cumbersome
Solution Approach 1:
The patent integrates the air pump assembly directly into the air gun body, merging the charging function with the firearm structure. This eliminates the need for separate external charging equipment, thereby maintaining portability while ensuring reliable air reservoir recharging capability.
Solution Approach 2:
The onboard electric pump assembly enables the air gun to recharge its own air reservoir without requiring external equipment. The system serves itself by incorporating all necessary components (motor, pump, battery, controller) within the gun body, thus resolving the contradiction between recharging reliability and portability.
2Reliability
If external equipment is used for air charging, then the air reservoir can be recharged, but additional equipment must be carried which is impractical in field or remote locations
Solution Approach 1:
The patent combines the air charging system components (electric motor, pump mechanism, battery power source, and control system) into a single integrated assembly mounted within the air gun. This merging eliminates the need to carry separate external charging equipment, thus maintaining air charging reliability while reducing overall system complexity and improving portability for field use.
3Device complexity
If there is no integrated control over the air charging process, then the system is simpler, but users cannot monitor and control pressure levels which compromises performance and safety
Solution Approach 1:
The patent incorporates a controller that monitors and controls the air charging process. The controller receives feedback from pressure sensors and automatically regulates the electric pump operation to maintain safe and optimal pressure levels in the air reservoir and air tube assembly. This feedback mechanism ensures both performance consistency and safety without requiring complex manual monitoring.
Solution Approach 2:
The integrated control system automatically manages the air charging process without requiring external intervention or complex user operation. The controller self-regulates pump operation based on pressure feedback, eliminating the need for manual pressure monitoring while ensuring reliable and safe pressure control throughout the charging process.
4Ease of operation
If pressure levels are not accurately monitored and controlled, then the system is simpler to operate, but users face inconsistent performance or safety hazards due to over-pressurization
Solution Approach 1:
The patent implements an automated feedback control system where pressure sensors continuously monitor the air pressure in the reservoir and air tube assembly. The controller receives this feedback and automatically adjusts the electric pump operation to maintain pressure within safe and optimal ranges. This eliminates the need for manual pressure monitoring by the user, maintaining operational simplicity while ensuring consistent performance and safety.
Solution Approach 2:
The patent replaces manual pressure monitoring and control mechanisms with an automated electronic control system. The electronic sensors and controller substitute for manual gauges and user judgment, providing accurate real-time pressure monitoring and automatic regulation. This substitution maintains ease of operation while dramatically improving performance consistency and safety by eliminating human error in pressure management.
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 provides a compact, efficient, and user-friendly solution for air charging, ensuring consistent performance and safety by allowing precise control over air pressure levels within the air tube assembly.
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
Implementation Method 3
the pressure monitor system is configured to monitor pressure in the multi-stage air pumping assembly and monitor pressure in the air tube assembly
Data Source
AI summary
The present disclosure provides an air gun, including: an air tube assembly; an onboard electric pump assembly mounted within the air gun and connected to the air tube assembly, where the onboard electric pump assembly is configured to charge high-pressure air into the air tube assembly; a valve assembly configured to control air flow and pressure within the air tube assembly; a firing mechanism assembly operable by a user of the air gun; and an air release valve assembly located between the air tube assembly and the firing mechanism assembly. When the user operates the firing mechanism assembly, the air release valve assembly is automatically triggered by the firing mechanism assembly to release the high-pressure air in the air tube assembly to project pellets.