Golf Club Head Damping Element for Uniform Ball Speed and Sound
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Solution Overview
Problem
Traditional golf club heads with thin faces exhibit non-uniform ball launch velocities across the striking face, leading to significant distance variations based on impact location, and lack consistent sound production.
Innovation Solution
Incorporation of a damping element between the rear surface of the striking face and the hollow iron body, which reduces deflection at the geometric center while improving uniformity of launch velocities and sound characteristics.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Speed
If a thin striking face is used, then ball speed at the sweet spot is increased, but ball speed uniformity across the striking face deteriorates
Solution Approach 1:
The striking face is designed with variable thickness across its surface, with the thickest portion located at or near the geometric center (sweet spot) and thinner portions toward the edges. This local variation in thickness allows the face to maintain high ball speed at the sweet spot while improving uniformity across the entire striking surface. The thickened center provides structural support and consistent launch conditions, while the thinner edges reduce weight and allow for greater face flexion that compensates for off-center impacts.
2Manufacturing precision
If a thick striking face is used, then ball speed uniformity is improved, but ball speed at the sweet spot is reduced
Solution Approach 1:
Rather than uniformly thickening the entire striking face, the invention applies thickness variation locally - the thickest portion is strategically positioned at the geometric center while other areas remain thinner. This localized thickening provides the structural support needed for uniform ball speed without the penalty of reduced ball speed that would result from a uniformly thick face. The selective thickening maintains the face's ability to flex and transfer energy efficiently at the sweet spot.
Solution Approach 2:
The invention addresses the thickness-speed tradeoff by moving from a one-dimensional (uniform) thickness parameter to a two-dimensional variable thickness distribution across the face surface. By considering thickness as a function of position (x, y coordinates on the face), the design optimizes both ball speed and uniformity simultaneously through spatial variation rather than a single global thickness value.
3Weight of moving object
If the striking face is made thinner, then weight is reduced, but structural integrity and sound production deteriorate
Solution Approach 1:
The striking face employs local quality variation with thickness strategically optimized at different locations. The thickest portion at the geometric center provides the structural integrity needed to prevent face failure and produce desirable sound characteristics upon impact. Thinner regions toward the periphery reduce overall weight while maintaining sufficient strength through the optimized thickness gradient. This selective thickening ensures that critical structural requirements are met only where needed.
Solution Approach 2:
The golf club head utilizes composite construction with the striking face made of a material or structure that combines varying thickness with appropriate material properties. The face may incorporate different materials or material densities in different regions, or use a single material with optimized variable thickness, to achieve the desired balance between weight reduction and structural integrity. The composite approach allows independent optimization of weight and strength characteristics.
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 damping element enhances consistent ball speed and durability by reducing stress and energy dissipation, resulting in more uniform ball flight distances and improved sound quality.
Implementation Method 1
a damping element positioned between the support pad and the rear surface of the striking face
Implementation Method 2
reduces stress and energy dissipation
Data Source
AI summary
A golf club head including a striking face, a periphery portion surrounding and extending rearwards from the striking face, and a damping element including a first end abutting the striking face. The damping element is installed in the golf club head through an aperture in the periphery portion of the golf club head.