Spherical Flywheel Energy Accumulator Gyroscopic Neutralization
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Solution Overview
Problem
The widespread use of flywheels in moving vehicles is hindered by the gyroscopic effects they produce, which affect maneuverability and pose safety risks, especially in high-speed applications, and existing solutions have not fully mitigated these issues while also failing to absorb road shocks and vibrations effectively.
Innovation Solution
A kinetic energy storage system utilizing three counter-rotating pairs of electro-mechanical flywheels arranged in a spherical configuration with axes perpendicular to each other, along with a vacuum-sealed housing and flexible mounting to minimize gyroscopic effects, absorb shocks, and prevent shrapnel in case of accidents.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Use of energy by moving object
If a single flywheel or conventional flywheel arrangement is used for kinetic energy storage, then energy storage capacity is improved, but gyroscopic effects worsen and negatively affect vehicle maneuverability
Solution Approach 1:
The single flywheel is segmented into three pairs of counter-rotating flywheels arranged along perpendicular axes (x, y, z). Each pair rotates in opposite directions to cancel gyroscopic effects on its axis, while the three-axis configuration provides comprehensive gyroscopic neutralization in all directions, resolving the contradiction between energy storage and maneuverability.
Solution Approach 2:
Counter-rotating flywheels are positioned and configured to act as counterweights that generate equal and opposite gyroscopic moments. The flywheels on each axis rotate in opposite directions, creating counterbalancing gyroscopic effects that neutralize the net gyroscopic influence on the vehicle, thereby maintaining maneuverability while storing kinetic energy.
2Productivity
If high-speed flywheels are used to increase energy storage efficiency, then energy density is improved, but safety risks worsen due to potential shrapnel in case of accidents
Solution Approach 1:
A spherical housing filled with foam material is provided to surround and cushion the flywheels. This foam cushioning is positioned beforehand to absorb impact forces and contain flywheel fragments in the event of an accident, thereby mitigating safety risks while allowing the flywheels to operate at high speeds for efficient energy storage.
Solution Approach 2:
The housing structure combines rigid spherical shell material with soft foam filling material to create a composite protective system. The rigid shell provides structural integrity while the foam material provides energy absorption and fragment containment, resolving the safety concerns associated with high-speed flywheel operation.
3Stability of the object's composition
If rigid mounting of flywheel housing is used to maintain structural stability, then structural integrity is improved, but shock absorption from road vibrations worsens
Solution Approach 1:
The flywheel housing is mounted to the vehicle chassis through flexible mounting elements that allow controlled movement and vibration isolation. This flexible mounting maintains structural stability while absorbing road shocks and vibrations, protecting the flywheels from damaging forces during normal 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 system effectively neutralizes gyroscopic effects, enhances vehicle maneuverability, and reduces the risk of damage from road shocks and accidents, allowing for efficient energy storage and conversion without compromising vehicle safety or structural integrity.
Implementation Method 1
the gyroscopic effect of the flywheel upon the maneuverability of the vehicle. A spinning flywheel produces a strong gyroscopic effect
Implementation Method 2
three counter-rotating pairs of electro-mechanical flywheels arranged in a spherical configuration with axes perpendicular to each other
Implementation Method 3
vacuum-sealed housing
Implementation Method 4
flexible mounting to minimize gyroscopic effects, absorb shocks
Data Source
AI summary
A mechanical energy accumulator has a housing, a first pair of flywheels rotatable about a first axis within the housing, a second pair of flywheels rotatable about a second axis within the housing, and a third pair of flywheels rotatable about a third axis within the housing. Each flywheel of the first pair of flywheels being rotatable in opposite directions, each flywheel of the second pair of flywheels being rotatable in opposite directions and each flywheel of the third pair of flywheels being rotatable in opposite directions. The first, second and third axes are perpendicular to each other. An energy input is cooperative with at least one of the flywheels for supplying electrical energy so as to rotate the flywheel. An energy output is also provided for converting the rotation of the flywheels into potential energy. Each of the flywheels has a double conical shape.