Wheel Cover Sleeve With Variable-Density Fabric for Stable Grip
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Solution Overview
Problem
Conventional wheel sleeves for vehicles tend to shift or come off during use due to centrifugal stress, leading to poor adhesion and mechanical performance on slippery surfaces like wet or icy roads.
Innovation Solution
A sleeve with a fabric band having a central area and lateral areas with varying surface densities, formed in one piece, and incorporating elastic means and metallic yarns for improved adhesion and durability, manufactured using heterogeneous warp and weft yarns to maintain correct positioning and enhance tribological properties.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If a uniform fabric band is used to cover the wheel, then the manufacturing process is simple, but the sleeve moves or comes off during wheel rotation due to centrifugal stress
Solution Approach 1:
The fabric band is designed with heterogeneous surface density, where the central area has a higher surface density than the lateral areas. This local quality differentiation allows the central area to maintain stability during wheel rotation while keeping the overall structure manageable, resolving the contradiction between manufacturing simplicity and positioning stability.
2Reliability
If the fabric band has high surface density throughout, then the sleeve maintains position well, but wrinkle formation increases during wheel rotation
Solution Approach 1:
The fabric band features heterogeneous surface density with a denser central area and less dense lateral areas. This local differentiation allows the central area to resist centrifugal forces effectively while the lateral areas remain flexible enough to minimize wrinkle formation during wheel rotation.
3Ease of manufacture
If the sleeve is made from a single uniform material, then the manufacturing process is straightforward, but the adhesion performance on slippery surfaces is insufficient
Solution Approach 1:
The fabric band incorporates metallic yarns within the textile structure, creating a composite material that combines the flexibility of textile with the adhesion properties of metallic elements. This composite approach improves adhesion performance on slippery surfaces while maintaining a relatively straightforward manufacturing process through integrated yarn insertion.
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 sleeve maintains correct positioning on the wheel, improves adhesion and mechanical properties, and increases durability by reducing centrifugal stress and wrinkle formation, allowing for better performance on challenging surfaces.
Implementation Method 1
the same sleeve is in turn subjected to inertia and centrifugal stress towards the outside of the wheel
Implementation Method 2
improving adhesion performance and/or tribological and mechanical properties
Data Source
AI summary
A sleeve for covering vehicle wheels includes a fabric band having an annular arrangement and therefore with a circumferential path as a result of the annular geometry, the band having such proportions and being enabled to cover and surround an external region of a wheel of a vehicle. The fabric band has a central area along its circumferential path and at least one lateral area adjacent to the central area following the same circumferential path. The at least one adjacent lateral area of the band has a surface density value lower than the surface density value of the central area of the same band. The band also presents a textile or fabric continuity in the mutual contact between its central area and at least one adjacent lateral area, the band being formed in one piece or textile body.