ATV Body Liner Air Gap Thermal Management
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Solution Overview
Problem
All-terrain vehicles (ATVs) and utility vehicles (UVs) experience high temperatures on upper body surfaces near the rider area due to proximity to exhaust and heat sources, leading to discomfort for the rider.
Innovation Solution
An air gap is created between a liner and the body of the ATV, with the liner positioned between the body and heat sources, and a heat shield can be added for additional thermal protection, allowing for heat dissipation and reducing surface temperatures by 10-15 degrees Celsius.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If the body is positioned close to heat sources for structural compactness, then the vehicle structure is more compact, but the upper body surfaces become too hot for rider comfort
Solution Approach 1:
A liner is introduced as an intermediary component positioned between the body and heat sources. The liner includes an air gap that acts as a thermal barrier, reducing heat transfer to the body surfaces while allowing the body to remain in its compact position near the heat sources.
Solution Approach 2:
The thermal protection function is extracted from the body structure itself and implemented as a separate liner component. This allows the body to maintain its compact structural design while the liner provides the necessary thermal isolation.
2Object-affected harmful factors
If a liner with air gap is added for thermal protection, then rider comfort is improved, but device complexity increases
Solution Approach 1:
The thermal protection system is segmented into distinct components: the liner and the air gap. This modular approach allows the protection function to be added without redesigning the entire body structure, thereby limiting the increase in overall device complexity.
3Object-affected harmful factors
If the liner is positioned close to the body for maximum thermal protection, then heat blocking is improved, but heat dissipation capability is reduced
Solution Approach 1:
The air gap, which initially might seem to reduce thermal protection effectiveness, actually provides beneficial natural convection currents that enhance heat dissipation. The heated air rises through the gap, creating a cooling effect that converts the potential harm of reduced conduction into the benefit of enhanced convective cooling.
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 configuration effectively reduces surface temperatures at user touch points, providing rider comfort by maintaining temperatures at or below 66 degrees Celsius, and can be further cooled with air flow, enhancing thermal protection and comfort.
Implementation Method 1
an air gap extends between the liner and the body
Implementation Method 2
heat dissipation and reducing surface temperatures
Implementation Method 3
the liner configured to be positioned between the body and a heat source of the ATV
Data Source
AI summary
An off-road vehicle having a frame, a plurality of ground engaging members operably coupled to the frame, a seat supported by the frame and configured to support an operator, an engine supported by the frame, a body supported by the frame, and a liner coupled to the body, where the liner is configured to be positioned between the body and a heat source of the off-road vehicle, and an air gap extends between the liner and the body.