Vehicle Wheel Inductive Heating for Uniform Rim Temperatures
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Solution Overview
Problem
Existing methods for heating vehicle wheels for forming processes are energy-inefficient, environmentally harmful due to gas combustion, and risk overheating certain regions, leading to high costs and CO2 emissions.
Innovation Solution
Inductive heating using a multi-turn toroidal inductor to heat the rim of the vehicle wheel, optionally with cooling and rotation, and using renewable energy, to achieve uniform heating and prevent overheating.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If gas-operated ovens are used to heat vehicle wheels, then the wheels can be heated to the required temperature, but energy consumption increases and CO2 emissions increase
Solution Approach 1:
The patent replaces the mechanical/chemical heating system (gas-operated oven) with an electromagnetic induction heating system. The inductor generates an alternating magnetic field that directly induces eddy currents in the wheel, converting electrical energy directly into heat within the workpiece without requiring a large combustion chamber, thereby significantly reducing energy consumption and CO2 emissions.
Solution Approach 2:
The patent extracts the heating function from a large-scale oven system and concentrates it into a localized inductor that directly contacts or nears the wheel. This extraction allows heating to occur precisely where needed, reducing the energy required to heat unnecessary surrounding air or structure, thus resolving the contradiction between achieving required temperature and minimizing energy consumption.
2Temperature
If gas-operated ovens are used to heat vehicle wheels, then the wheels can be heated to the required temperature, but CO2 emissions increase
Solution Approach 1:
The patent substitutes the combustion-based heating system with an electromagnetic induction system that uses electrical energy to generate heat directly in the wheel through induced eddy currents. This eliminates the combustion process entirely, removing CO2 emissions as a byproduct while maintaining the ability to achieve the required heating temperature.
Solution Approach 2:
The patent converts electrical energy, which would otherwise be difficult to utilize directly for heating, into thermal energy through electromagnetic induction. This conversion process is highly efficient and produces no harmful emissions, transforming a potentially problematic energy source into a clean, controllable heating method that achieves temperature requirements without CO2 emissions.
3Stability of the object's composition
If entire vehicle wheels are heated, then uniform heating is achieved, but energy consumption increases
Solution Approach 1:
The patent applies heating locally to specific regions of the wheel that require temperature treatment, rather than heating the entire wheel uniformly. The inductor is positioned to target only the necessary areas, creating a localized electromagnetic field that induces eddy currents and generates heat precisely where needed. This local quality approach maintains temperature stability in critical regions while dramatically reducing the total energy consumption compared to whole-wheel heating.
Solution Approach 2:
The patent segments the heating process by dividing the wheel into regions that require heating and regions that do not. The inductor is designed and positioned to affect only specific segments of the wheel, applying electromagnetic energy selectively. This segmentation allows the system to achieve uniform temperature distribution in the heated zones without wasting energy on unnecessary areas, resolving the contradiction between uniformity and energy consumption.
4Temperature
If inductors are arranged outside the rim, then heating can be applied, but structural complexity increases and cost increases
Solution Approach 1:
The patent nests the inductor inside the rim structure of the wheel, placing the heating element within the existing geometry rather than adding external components. This nesting approach allows the inductor to be integrated into the wheel's inner contour, simplifying the overall structure and reducing manufacturing costs while maintaining effective heating of the rim through direct proximity to the material being heated.
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
Reduces energy consumption, minimizes CO2 emissions, and ensures consistent temperature control, resulting in cost-effective and environmentally friendly wheel heating.
Implementation Method 1
at least a part of the vehicle wheel (2) is heated by means of inductive heating using an inductor (7)
Implementation Method 2
inductive heating using an inductor (7)
Data Source
AI summary
The invention relates to a method for heating a vehicle wheel, in particular as a preparation for a subsequent shaping method, in which at least a part of the vehicle wheel is heated by means of inductive heating using an inductor.