Wheel Cover Assembly with Installable Rib for Drag Reduction
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Solution Overview
Problem
Conventional vehicle wheels have an open end that creates a cavity exposed to airstreams, leading to aerodynamic discontinuities, noise, and drag at high speeds, reducing fuel efficiency.
Innovation Solution
A wheel cover assembly with a wheel rib attached to the rim inner surface and a cover body that engages the rib using various mounting mechanisms, such as locking arms, latches, and latching pins, to create a continuous surface and reduce turbulence.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If the wheel rim has an open end flange design, then the wheel rim structure is simple and easy to manufacture, but it creates aerodynamic discontinuity, noise, and drag at high speeds
Solution Approach 1:
The wheel cover assembly is divided into multiple segments: a cover body that covers the open end flange, wheel ribs that attach to the rim inner surface to bridge the gap, and a cover mounting mechanism with engaging elements. This segmentation allows each component to perform a specific function while collectively solving the aerodynamic discontinuity problem caused by the open end design.
2Object-affected harmful factors
If a wheel cover assembly is added to cover the open end, then aerodynamic continuity is improved and drag is reduced, but the device complexity increases
Solution Approach 1:
The wheel cover assembly merges multiple functions into a single integrated component structure. The cover body, wheel ribs, and cover mounting mechanism work together as one assembly that simultaneously provides aerodynamic coverage, structural attachment to the rim, and secure fastening, thereby reducing the need for separate components and simplifying the overall system.
Solution Approach 2:
The cover mounting mechanism employs self-engaging elements where the locking arms or latches automatically engage with the wheel ribs and rim structure upon installation. This self-service mechanism eliminates the need for complex external fastening systems or multiple adjustment steps, reducing device complexity while ensuring secure attachment.
3Reliability
If a secure cover mounting mechanism is used to retain the wheel rib, then the wheel cover assembly is securely attached to the wheel rim, but the ease of operation for installation and removal is reduced
Solution Approach 1:
The cover mounting mechanism incorporates dynamic elements such as spring-loaded locking arms or movable latches that can easily transition between engaged and disengaged states. These dynamic components allow the wheel cover to be securely attached during normal operation while enabling quick and easy installation and removal when needed, balancing reliability with ease of operation.
Data Source
AI summary
A wheel cover assembly for a vehicle wheel may include a wheel rib that is attachable to a rim inner surface of a wheel rim of the vehicle wheel, a cover body having a cover body outer surface, a cover body inner surface, and a cover body outer edge having an outer diameter that is greater than an inner diameter of the wheel rib and less than an inner diameter of an open end flange of the wheel rim. A cover mounting mechanism operatively connected to the cover body has a cover locking position wherein the cover mounting mechanism engages the wheel rib to retain the wheel rib between the cover mounting mechanism and the cover body and secure the wheel cover assembly to the vehicle wheel when the wheel rib is attached to the rim inner surface.