Vehicle Parts Box Venting Layout for Cooling and Mud Blocking
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Solution Overview
Problem
Existing parts boxes for straddle-type vehicles face challenges in preventing foreign matter entry while maintaining effective cooling performance for heat-generating electrical components due to the risk of mud and debris entering through air discharge ports, which can hinder heat dissipation.
Innovation Solution
A parts box design with an air discharge port positioned above the electrical component, covered by the rear fender and vehicle body cover, combined with a labyrinth structure at the intake port, ensures that hot air is discharged externally while minimizing foreign matter entry, using the vehicle's structure to block ingress points.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If an air discharge port is provided in the parts box to improve cooling performance, then heat dissipation is improved, but foreign matter such as mud may enter the storage space
Solution Approach 1:
The air discharge port is repositioned from the side wall to the upper wall of the parts holder, utilizing the vertical dimension. This spatial reconfiguration allows the port to be covered by the rear fender and vehicle body cover from above, creating a protective overhead structure that blocks foreign matter while preserving the cooling function.
2Object-affected harmful factors
If the air discharge port is made small to prevent foreign matter entry, then foreign matter protection is improved, but heat may be retained in the parts box
Solution Approach 1:
By moving the air discharge port to the upper wall and covering it with the rear fender and vehicle body cover from above, the invention creates a protective overhead structure. This dimensional change allows the port to maintain a sufficient size for effective heat dissipation while the covering structures from the upper dimension block foreign matter entry paths.
3Object-affected harmful factors
If the air discharge port is covered by the rear fender and vehicle body cover, then foreign matter entry is prevented, but cooling performance may be reduced
Solution Approach 1:
The covering structures (rear fender and vehicle body cover) are positioned in the upper dimension relative to the air discharge port, creating an overhead protection arrangement. This spatial configuration allows the port to remain accessible for heat dissipation while the upper-dimension covering blocks foreign matter, resolving the conflict between protection and cooling efficiency.
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 design effectively prevents foreign matter from entering the storage space while enhancing cooling performance by ensuring that hot air is discharged externally, thus maintaining the electrical component's thermal efficiency.
Implementation Method 1
hot air warmed by heat generated by the electrical component
Implementation Method 2
hot air warmed by heat generated by the electrical component is discharged to the outside
Data Source
AI summary
A parts box of a straddle-type vehicle configured to be attached to a seat frame and to store an electrical component on a lateral side of a rear fender, the parts box includes: a parts holder having a storage space opened on an outer side in a vehicle width direction; and a vehicle body cover configured to cover an opening of the storage space from the outer side in the vehicle width direction. An air discharge port continuous with the storage space is formed in an upper wall of the parts holder, and the air discharge port is covered by at least one of the rear fender and the vehicle body cover at a position above the air discharge port.