Vehicle Load Bar Fairing with Ball and Socket Joint
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Solution Overview
Problem
Load bars on vehicles reduce aerodynamic profiles, causing drag, and existing fairings struggle to fit closely to the curved roofs, affecting aerodynamics and increasing noise and vibration.
Innovation Solution
A fairing system with a ball and socket joint connection assembly that allows the fairing blade to pivot and rotate, incorporating a pivot bracket with a ball and socket joint, and a load bar clip with a hook and prongs to securely attach to the load bar, enabling flexible fitment to various roof curvatures.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a fairing is attached rigidly to the load bar, then the structure is stable and strong, but the fairing cannot adapt to curved roofs resulting in poor aerodynamics and increased noise
Solution Approach 1:
The connection assembly incorporates a ball and socket joint that enables dynamic adjustment of the fairing blade relative to the load bar. This allows the fairing to adapt to various roof curvatures while maintaining structural stability, resolving the contradiction between adaptability and structural integrity.
Solution Approach 2:
The connection assembly is divided into multiple components including a pivot bracket, pivot arm with elbow portion, and load bar clip. This segmentation allows each component to perform its specific function while collectively providing both adaptability and structural strength.
2Productivity
If the fairing blade is made long to improve aerodynamic coverage, then aerodynamics improve, but the weight and structural requirements increase
Solution Approach 1:
The dynamic ball and socket joint allows a lighter, more flexible fairing blade to achieve the necessary aerodynamic coverage by adapting its position to the roof curvature, rather than requiring a heavy, rigid, oversized blade.
3Manufacturing precision
If the connection assembly allows multiple degrees of freedom for adjustment, then fitment to curved roofs improves, but the reliability and stability may be compromised
Solution Approach 1:
The ball and socket joint provides multiple degrees of freedom for adjustment to achieve precise fitment to curved roofs, while the inherently stable spherical connection maintains reliability and prevents excessive movement or detachment.
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
Improves aerodynamics by ensuring a close fit to the vehicle roof, reducing drag, noise, and vibration, providing a quieter and more efficient ride.
Implementation Method 1
the connection assembly can include a joint having a ball disposed in a socket such that the ball can rotate within the socket
Data Source
AI summary
A fairing for a vehicle load bar includes an elongate blade and a connection assembly to couple the blade to the load bar. The connection assembly includes a joint having a ball disposed in a socket such that the ball can rotate within the socket. The connection assembly can include a pivot bracket coupled to the blade, the pivot bracket including the ball, and a pivot arm including the socket such that the ball of the pivot bracket is disposed in the socket.