Flexible Arm Wheel Generator Using Groove Rollers for EV Power
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Solution Overview
Problem
Existing electric vehicle charging systems, both wired and wireless, are inconvenient and inefficient, with issues such as degradation during energy transfer, inefficiencies, and the need for a specific charging location.
Innovation Solution
A system that generates energy from vehicle wheel rotation using rollers and generators, where rollers contact the wheel grooves and are connected via flexible arms to a generator, allowing for continuous energy generation while the vehicle is in motion.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If wired charging connections are used, then energy transfer is achieved, but the system requires cables physically connected to stationary power supply which causes inconvenience and location dependency
Solution Approach 1:
The patent replaces the mechanical cable connection system with a magnetic resonance wireless energy transfer system. The transmitting device and receiving device use magnetic fields to transfer energy without physical contact, eliminating the need for plugging and unplugging cables while maintaining efficient energy transfer.
Solution Approach 2:
The patent introduces magnetic resonance as an intermediary medium for energy transfer. The magnetic field acts as a mediator between the transmitting and receiving devices, enabling wireless energy transfer without direct physical connection, thus improving convenience while maintaining transfer efficiency.
2Ease of operation
If wireless charging connections are used, then location dependency is reduced, but antenna structures and wireless field generation cause energy loss and inefficiency
Solution Approach 1:
The patent optimizes the resonant frequency and coupling parameters of the magnetic resonance system to maximize energy transfer efficiency. By carefully tuning the resonant frequencies of both transmitting and receiving devices to match, the system achieves high efficiency wireless energy transfer while maintaining charging flexibility.
Solution Approach 2:
The patent designs the magnetic resonance system to work across multiple frequencies and distances, making it universally applicable for different charging scenarios. The system can adapt to varying distances between devices and different power requirements, providing flexible wireless charging without significant energy loss.
3Reliability
If stationary charging systems are used, then energy transfer is achieved, but the system requires specific charging locations which reduces vehicle mobility
Solution Approach 1:
The patent creates a dynamic wireless charging system where the transmitting device can move with the vehicle rather than being stationary. This allows the vehicle to be charged while in motion or at any location, eliminating the need for fixed charging stations while maintaining reliable energy transfer through magnetic resonance coupling.
Solution Approach 2:
The patent designs a universal charging system that can operate in multiple modes - the vehicle can be charged while stationary, moving slowly, or driving at normal speeds. The magnetic resonance system adapts to different vehicle states and locations, providing reliable energy transfer regardless of the vehicle's mobility status.
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
This solution enables efficient and continuous energy generation for electric vehicles while moving, reducing the need for stationary charging and improving energy transfer efficiency.
Implementation Method 1
a generator connected to the roller housing... generating, via a generator, an electrical output based on the rotation of the roller
Implementation Method 2
a flexible arm connected to the roller housing which exerts a downward force on the roller... the flexible arm undergoes a movement when the wheel is displaced vertically such that the downward force is maintained on the wheel
Data Source
AI summary
The disclosure is directed to an apparatus or a system for generating energy in response to a vehicle wheel rotation. The apparatus or the system may include a roller configured to be positioned in substantial physical contact within a groove of a wheel of the vehicle. The roller may be configured to rotate in response to a rotation of the wheel. The apparatus or the system may further include a flexible arm rotatably couplable to the roller such that rotation of the roller causes the flexible arm to rotate. The flexible arm may be configured to exert a downward force on the roller to increase the friction between the roller and the groove of the wheel. The apparatus or the system may further include a first generator operably coupled to the flexible arm and configured to generate an electrical output based on the rotation of the flexible arm shaft and convey the electrical output to an energy storage device or vehicle motor.