Hydraulic Handgun Recoil Assembly for Muzzle Rise Damping
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Solution Overview
Problem
Conventional semi-automatic pistols experience significant recoil and muzzle rise due to undamped harmonics and energy recycling through spring systems, leading to instability and vibration.
Innovation Solution
A multi-staged recoil reduction mechanism utilizing hydraulics in the first stage and an outer resilient member in the second stage, providing damping to absorb energy and improve system stability, rather than recycling it as spring potential energy.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a coil spring system is used to offset blowback force, then proper cycling of action is achieved, but significant felt recoil and muzzle rise occur
Solution Approach 1:
The patent introduces a hydraulic damper system that uses fluid resistance to control the rearward movement of the slide. The hydraulic circuit creates damping forces that reduce the impulse transmitted to the frame, thereby reducing felt recoil and muzzle rise while still allowing the slide to cycle properly. This directly addresses the contradiction by replacing the purely elastic spring system with a hydraulic-damped system.
Solution Approach 2:
The patent modifies the recoil management parameters by introducing adjustable damping characteristics through the hydraulic system. By changing the fluid viscosity, orifice sizes, or piston geometry, the system can be tuned to provide optimal recoil reduction while maintaining reliable cycling. This allows independent optimization of both reliability and recoil reduction.
2Object-affected harmful factors
If multiple progressive springs are used to reduce felt recoil, then controlled rearward movement is achieved, but undamped harmonics cause instability and vibration
Solution Approach 1:
The hydraulic damper provides viscous damping that dissipates the energy of undamped harmonics as heat. The fluid resistance in the hydraulic circuit creates a damping force proportional to the velocity of the slide, which effectively suppresses oscillations and vibrations that would otherwise cause instability. This resolves the contradiction by adding damping to the spring system.
Solution Approach 2:
The hydraulic fluid acts as an intermediary between the moving slide and the frame, absorbing and dissipating vibrational energy. The fluid damper serves as a mediator that transforms the undamped harmonic oscillations into damped oscillations, preventing the transmission of instability to the firearm structure.
3Use of energy by moving object
If a coil spring is used to return the slide to forward position, then energy is recycled as spring potential energy, but this energy is returned into the system causing additional recoil
Solution Approach 1:
The hydraulic damper dissipates the kinetic energy of the returning slide as heat through fluid friction, rather than allowing it to be fully recycled by the spring. This energy dissipation prevents the rebound effect that would otherwise add to felt recoil. The system converts harmful kinetic energy into harmless thermal energy, resolving the contradiction between energy recycling and recoil reduction.
Solution Approach 2:
The patent converts the harmful kinetic energy that would cause additional recoil into beneficial thermal energy through the hydraulic damping process. By dissipating energy as heat in the hydraulic fluid, the system transforms what would be a harmful rebound effect into a controlled energy dissipation mechanism that reduces felt recoil while maintaining reliable operation.
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 hydraulic recoil device effectively reduces felt recoil, muzzle rise, and enhances stability by transforming energy into heat, which is dissipated, resulting in faster target acquisition and reduced wear on internal components.
Implementation Method 1
hydraulics can be used to take the initial jolt out of the firing cycle, as that is where a majority of the recoil is generated and where the velocities are highest
Implementation Method 2
A coil spring is typically arranged with its opposite ends contacting portions of the frame and slide, respectively
Implementation Method 3
The multi-staged recoil reduction mechanism also provides damping to improve system stability and removes energy rather than recycling the energy as spring potential energy
Data Source
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AI summary
A hydraulic recoil device for a handgun or pistol is provided. The device includes a cylinder defining an interior hollow compartment having a first end and a second end. The device further includes a first resilient member; a piston assembly arranged adjacent to the first resilient member and at least partially within the cylinder, where the piston assembly includes a piston head, a piston rod, and a piston cap; a compressible accumulator arranged within the cylinder; and a second resilient member outside of the cylinder. When the piston rod is displaced toward the first end of the cylinder in operation, a hydraulic resistance is generated by the piston assembly, and when a first end of the second resilient member is displaced toward the second end of the cylinder in operation, additional resistance is generated by the second resilient member.