Inflatable Soccer Ball Indentations for Aerodynamic Stability
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Solution Overview
Problem
Existing soccer balls and inflatable sports balls face challenges in achieving a balanced aerodynamic performance with controlled swerve and reduced fluttering, while maintaining good ball control at the shoe, due to their surface texture and panel configurations.
Innovation Solution
Incorporating indentations of specific shapes and surface textures on the panels of the ball, which create a thin turbulent boundary layer to reduce drag and enhance flight predictability, while adjusting the magnus effect for controlled swerve.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the ball has a smooth surface with large panels, then manufacturing time is reduced and the surface is easier to produce, but aerodynamic stability deteriorates causing unintended flutter movements
Solution Approach 1:
The patent applies local quality by adding specific surface features (dimples, grooves, ridges, or patterns) to specific regions of the ball surface while maintaining large panel structures. This localized modification improves aerodynamic stability without requiring a complete redesign of the entire surface, thus preserving manufacturing efficiency while solving the flutter problem.
Solution Approach 2:
The patent changes surface parameters by introducing geometric features such as dimples, grooves, ridges, or patterns with specific dimensions and distributions. These parameter changes modify the boundary layer behavior and aerodynamic characteristics, stabilizing flight without fundamentally altering the large-panel construction that enables efficient manufacturing.
2Ease of manufacture
If the ball has a smooth surface, then manufacturing is simplified, but control over the ball at the shoe deteriorates during dribbling
Solution Approach 1:
The patent implements local quality by adding control-enhancing surface features to specific areas of the ball that contact the player's shoe during dribbling and passing. These localized features improve grip and control without requiring the entire surface to be complex, maintaining manufacturing simplicity while enhancing operational control.
3Stability of the object's composition
If the ball has indentations or surface features, then aerodynamic control is improved, but the ball may produce heavily increased swerve or minimal swerve affecting aimed shots
Solution Approach 1:
The patent applies asymmetry by strategically positioning and orienting surface features (dimples, grooves, ridges, or patterns) in asymmetric arrangements that generate controlled Magnus effects. This asymmetric configuration allows the ball to produce predictable swerve and rotation during flight, improving aerodynamic control while maintaining shot accuracy through deliberate geometric design.
Solution Approach 2:
The patent implements dynamics by designing surface features that interact with airflow in dynamic ways, allowing the ball to adapt its aerodynamic behavior during flight. The features can generate variable Magnus effects and boundary layer transitions that provide both stability and controlled swerve, enabling aimed shots while maintaining aerodynamic control.
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 results in improved ball control and stability, allowing for more precise shots and reduced fluttering, enhancing player performance and spectator experience.
Implementation Method 1
adjusting the magnus effect for controlled swerve
Data Source
Figure 1a
Figure 1b
Figure 1c
AI summary
The present invention relates to an inflatable ball, in particular soccer ball, having an outer shell comprising panels. The panels comprise at least one surface texture, wherein at least a subset of the panels comprises indentations in addition to the surface texture. The indentations comprise a shape which is different from a shape of the surface texture.