Wheel Hub Flange Reinforcement for Stable Contact Under Load
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Solution Overview
Problem
The contact area between a wheel flange and the attached components in a vehicle wheel hub is prone to deformation and bending, leading to reduced service life and increased noise due to vibrations and relative movement, which can affect adjacent parts like bearings.
Innovation Solution
A wheel hub with a flange reinforced by strategically placed reinforcement elements that increase stiffness in areas subjected to high loads, determined by operating conditions, to maintain a large contact area and minimize bending moments.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the contact area between the flange and the wheel is made as large as possible, then the service life and noise performance are improved, but the flange and wheel components are prone to deformations and bending under operating loads
Solution Approach 1:
The patent applies local quality by strategically placing reinforcement elements at specific high-stress areas on the flange and wheel components rather than uniformly reinforcing the entire structure. This localized reinforcement maintains large contact areas while preventing deformations in critical regions, thereby improving reliability without compromising contact area stability.
2Reliability
If the contact area between the flange and the wheel is made as large as possible, then the service life is improved, but vibrations and relative movement occur leading to increased noise
Solution Approach 1:
The reinforcement elements are strategically positioned at locations where vibrations and relative movements are most problematic. This localized strengthening suppresses harmful vibrations and prevents fretting in critical contact zones, thereby reducing noise while maintaining the beneficial large contact area for improved service life.
3Reliability
If the contact area is reduced due to deformations and bending, then the service life of adjacent parts like bearings is reduced, but increasing the stiffness of the entire flange would increase material usage
Solution Approach 1:
The patent uses local quality by placing reinforcement elements only in the specific areas of the flange and wheel that experience high stresses and deformations. This targeted approach prevents contact area reduction that would harm adjacent parts like bearings, while avoiding unnecessary material usage in regions that do not require additional stiffness.
Solution Approach 2:
The reinforcement strategy is segmented into discrete reinforcement elements positioned at specific high-stress locations rather than applying a uniform increase throughout the entire flange structure. This segmentation allows material to be used efficiently only where needed to maintain contact area and protect adjacent components.
Data Source
AI summary
A wheel hub for a vehicle includes a flange configured to be connected to at least one wheel of the vehicle with at least one fastening device. The flange is provided with at least one reinforcing element that increases stiffness of the flange in a predetermined area, the predetermined area being determined based on intended operating conditions of the vehicle.