Golf Ball Dimple Pattern and Layer Structure for Flight Control

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Solution Overview

Problem

Existing golf balls lack optimal aerodynamic performance and construction parameters that provide sufficient control over flight distance and behavior.

Innovation Solution

A golf ball design featuring specific dimple patterns and construction layers that adjust aerodynamic characteristics, including varying dimple counts, diameters, and layer thicknesses, to achieve desired drag and lift coefficients, resulting in controlled flight patterns.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If traditional golf ball designs are used, then manufacturing simplicity is maintained, but aerodynamic performance and flight control are insufficient

Engineering Contradiction:

Improveaerodynamic performanceVSAvoiddimple pattern complexity

Core Design Contradiction:

ReliabilityVSDevice complexity

Solution Approach 1:

The golf ball surface is segmented into multiple zones with different dimple characteristics (depth, diameter, spacing). The dimple pattern is divided into first, second, and third types with varying parameters to optimize aerodynamic performance across different flight conditions while maintaining manufacturing feasibility through systematic categorization.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

Different regions of the golf ball surface have locally optimized dimple properties. The dimple pattern varies by location, with specific dimple types positioned in different zones to create localized aerodynamic effects that collectively improve overall flight performance and control.

Inventive Principle:

Principle #3Local quality

2Productivity

If uniform dimple patterns are used, then manufacturing is simplified, but flight distance and behavior control are limited

Engineering Contradiction:

Improveflight distanceVSAvoiddimple pattern variation

Core Design Contradiction:

ProductivityVSDevice complexity

Solution Approach 1:

The dimple pattern parameters (depth, diameter, spacing, distribution) are systematically varied across different dimple types and positions. This parameter optimization enables control over drag and lift coefficients, thereby extending flight distance and improving behavioral control without requiring completely complex manufacturing processes.

Inventive Principle:

Principle #35Parameter changes

3Reliability

If simple golf ball construction is used, then manufacturing ease is maintained, but aerodynamic performance optimization is restricted

Engineering Contradiction:

Improveaerodynamic performanceVSAvoidmulti-layer construction complexity

Core Design Contradiction:

ReliabilityVSEase of manufacture

Solution Approach 1:

The golf ball employs a multi-layer construction with different materials optimized for specific functions. The core, intermediate layers, and cover are composed of different materials with tailored properties, allowing aerodynamic performance optimization while maintaining manufacturing feasibility through established multi-layer construction techniques.

Inventive Principle:

Principle #40Composite materials

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 design enhances aerodynamic performance by optimizing drag and lift coefficients, allowing for precise control of flight distance and behavior, suitable for various golf ball constructions.

Implementation Method 1

The cover can comprise a plurality of dimples arranged in a dimple pattern that has or exhibits a series of drag coefficients (CD) and lift coefficients (CL) across a variety of Reynolds numbers and spin ratios

Methodology Applied

Scientific EffectDrag: Drag

Implementation Method 2

Methodology Applied

Scientific EffectLift: Magnus Effect

Data Source

PatentUS20250360367A1Golf ball

Publication Date: 2025.11.27 ACUSHNET CO

AI summary

Golf balls disclosed herein have a combination of aerodynamic properties and construction parameters providing a desired set of performance characteristics.