Pneumatic Stunner Magnetic Catch Mechanism
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Solution Overview
Problem
Pneumatic captive bolt mechanisms for animal stunning suffer from component interference and wear, leading to inconsistent operations and high fluid consumption, with large fluid supply tanks hindering portability.
Innovation Solution
A pneumatic animal stunner with a catch system for holding and releasing the stunning rod, a compressed fluid supply for extended operation cycles, a housing structure for manual rod retraction, a pressure regulator for controlled fluid pressure, and a valve system to manage fluid flow, optimizing the use of pressurized fluid and reducing component wear.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If sliding engagement components are used in the catch mechanism, then the device can operate with simple structure, but component interference and wear occur leading to inconsistent operation
Solution Approach 1:
The patent replaces the traditional sliding mechanical engagement system with a magnetic field-based catch mechanism. The catch member is attracted to the face of the piston through magnetic force, eliminating sliding contact and associated wear. This substitution of mechanical sliding with magnetic attraction resolves the contradiction by maintaining simple structure while achieving reliable, consistent operation without component degradation.
2Quantity of substance
If large fluid supply tanks are used, then sufficient fluid volume is available for each stunning cycle, but portability is hindered
Solution Approach 1:
The patent changes the operational parameters of the system by optimizing the fluid volume requirement through improved catch mechanism efficiency. The magnetic catch system reduces the fluid volume needed per stunning cycle compared to traditional sliding mechanisms, allowing the use of smaller fluid supply tanks. This parameter change enables maintenance of adequate fluid supply while significantly improving device portability.
3Ease of manufacture
If sliding engagement components are used, then device assembly is simplified, but component wear and drag increase requiring periodic replacement
Solution Approach 1:
The patent substitutes the sliding mechanical engagement system with a magnetic field-based catch mechanism. The catch member is attracted to the face of the piston through magnetic force, eliminating sliding contact and associated wear. This substitution of mechanical sliding with magnetic attraction resolves the contradiction by maintaining simple structure while achieving reliable, consistent operation without component degradation.
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 solution enhances the consistency and efficiency of animal stunning operations, reduces fluid consumption, and improves portability by minimizing the size of the fluid supply tank, thus lowering operational costs and maintaining humane and effective stunning processes.
Implementation Method 1
a catch piston with a forward end portion adapted to be attracted to the face of the piston
Implementation Method 2
pneumatic animal stunner for stunning an animal comprising a housing having a front end, a stunning rod having a rear end portion
Data Source
AI summary
A portable pneumatic stunner for stunning or euthanizing an animal has a piston slideable within an inner chamber, a housing with a front portion being moveable toward and away from its rear portion, a stunning rod driven by the piston forward towards the front end of the housing, a catch system for alternately holding and releasing the stunning rod, and a regulator for regulating the pressure received from a fluid container for operating the stunner. The stunning rod is driven along a longitudinal axis upon exposure of a pressurized fluid to the piston, and the stunning rod is retracted back into the stunner after firing by exerting a manual inward force on the stunning rod and housing. The catch system comprises a plurality of arcuate sections substantially forming a cylinder. The regulator determines the allowable pressure levels of the fluid the stunner is subjected to.