Wheel House Through-Holes for Air Flow Stabilization
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Solution Overview
Problem
Existing wheel house structures disrupt air flow at the side of the tire, leading to increased air resistance and reduced handling stability in vehicles.
Innovation Solution
A wheel house structure with through-holes on the front wall, oriented obliquely rearward and outward, to stabilize air flow and reduce air resistance by directing discharged air away from the tire and enhancing the flow's stability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If a conventional wheel house structure is used, then the structure is simple, but air flow is disturbed at the side of the tire causing increased air resistance
Solution Approach 1:
The wheel house front wall is segmented by introducing through-holes that divide the air flow path. This segmentation allows air to be discharged through specific openings rather than flowing uniformly, thereby stabilizing the air flow at the tire side and reducing air resistance while maintaining structural simplicity
Solution Approach 2:
The through-holes act as intermediary elements between the internal air pressure and the external environment. These intermediaries guide and control the air flow direction, preventing direct turbulent flow at the tire side and reducing harmful air resistance effects
2Ease of manufacture
If a conventional wheel house structure is used, then the structure is simple, but handling stability deteriorates due to air flow disturbance
Solution Approach 1:
By segmenting the air flow path through strategically positioned through-holes, the air flow is divided into controlled streams that do not create disruptive turbulence at the tire side, thereby maintaining handling stability while keeping the overall structure simple
Solution Approach 2:
The through-holes serve as intermediary flow control elements that mediate between internal air pressure and external flow conditions, creating stable air flow patterns that improve handling stability without requiring complex structural modifications
3Object-affected harmful factors
If through-holes are formed at the central vertical position, then air resistance is reduced most effectively, but manufacturing precision requirements increase
Solution Approach 1:
The patent optimizes the parameter of through-hole vertical position by setting it at the central vertical position of the wheel house front wall. This parameter optimization maximizes air resistance reduction effectiveness while the specification provides clear manufacturing guidelines for achieving this position with acceptable precision
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 solution effectively reduces air resistance and improves handling stability by stabilizing air flow around the tire, with optimal results achieved when through-holes are positioned centrally and angled between 10° to 80°, and spaced less than 100 mm from the vehicle's transverse direction outer side.
Implementation Method 1
a flow of air, that is jetted-out from the wheel house in the vehicle transverse direction outer side direction, arises
Data Source
AI summary
The present invention provides a wheel house structure having: a wheel house front wall that structures a wall at a front side of a wheel house in which a front tire is disposed; and an air discharging portion that is structured to include one or more through-holes formed along a vehicle vertical direction at a vehicle transverse direction outer side of the wheel house front wall, the air discharging portion discharging air, that is further toward a vehicle longitudinal direction front side than the wheel house front wall, through the through-hole obliquely rearward toward a vehicle longitudinal direction rear side and a vehicle transverse direction outer side.