Vehicle Airflow Turbine Generator for EV Range Extension
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Solution Overview
Problem
Current electric vehicles face limitations in range and performance due to limited battery capacity and dependence on external charging infrastructure, which can be inconvenient and affect battery life and performance.
Innovation Solution
A wind power generation system is integrated into electric vehicles to capture electrical energy from the air passing around the vehicle, using an airflow regulator and selectively rotating wind turbines to generate energy from the wind.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Duration of action of moving object
If battery capacity is increased to extend vehicle range, then the vehicle range is improved, but the vehicle weight and cost increase
Solution Approach 1:
The system captures and stores kinetic energy from the vehicle's own motion through the airflow regulator and wind turbines, allowing the vehicle to generate its own supplementary power without relying solely on external charging infrastructure or larger batteries
Solution Approach 2:
The airflow regulator dynamically adjusts its configuration based on vehicle speed and airflow conditions, optimizing energy capture at different operating points while maintaining vehicle performance
2Duration of action of moving object
If battery capacity is increased to extend vehicle range, then the vehicle range is improved, but the charging infrastructure dependence increases
Solution Approach 1:
The vehicle becomes partially self-sufficient by capturing energy from its own motion, reducing reliance on external charging infrastructure and enabling operation in areas without charging stations
Solution Approach 2:
The system extracts energy from the airflow that would otherwise be wasted, converting it into usable electrical power through the wind turbines and storage system
3Use of energy by moving object
If wind turbines are added to capture wind energy, then the energy efficiency is improved, but the device complexity increases
Solution Approach 1:
The airflow regulator serves multiple functions: it regulates airflow to the wind turbines, acts as a protective cover, and can be configured to optimize vehicle aerodynamics, reducing the need for separate dedicated components
Solution Approach 2:
The wind energy capture system is integrated with the vehicle's existing structure and airflow management systems, combining multiple functions into unified components to reduce overall complexity
4Use of energy by moving object
If wind turbines rotate at various speeds to generate energy, then the energy capture is improved, but the mechanical complexity increases
Solution Approach 1:
The system allows wind turbines to rotate at variable speeds depending on airflow conditions, with the airflow regulator dynamically adjusting to optimize energy capture across different operating conditions without requiring complex mechanical transmission systems
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 enhances the range and performance of electric vehicles by harnessing wind energy, improving energy efficiency, and reducing dependence on external charging infrastructure.
Implementation Method 1
capture electrical energy from air passing around a vehicle, using an airflow regulator and selectively rotating wind turbines to generate energy from the wind
Implementation Method 2
multi speed electrical generator configured to work with electric vehicles to capture electrical energy from air passing around a vehicle
Data Source
AI summary
An electrical generation system for a vehicle includes a turbine assembly coupled to the vehicle in association with a central gearbox and electrical generator. The turbine assembly is located within a housing having a baffle assembly configured to selectively actuate so as to regulate the flow of air into the housing. The turbine assembly is downstream of the baffle assembly and configured to receive the flow of air in the housing. The turbine assembly includes turbine blades configured to generate electrical energy through rotation of the turbine blades as a result of the flow of air. The turbine blades rotate about a central shaft. The central gearbox is coupled about the central shaft. The electrical generator is coupled to the central shaft so as to selectively rotate and generate the electrical energy.