Tire Tread Pitch Layout for Snow Traction and Road Balance
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Solution Overview
Problem
Existing tire designs face challenges in optimizing performance across various road conditions, such as wet, dry, and snow-covered surfaces, often resulting in trade-offs where improvements in one condition lead to compromises in others.
Innovation Solution
The tire features a tread pattern with consecutive block patterns of varying pitch lengths, including a high number of block patterns with a small pitch length for enhanced flexibility on snow, and a balanced distribution of block patterns with larger pitch lengths for improved traction on dry and wet surfaces.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the number of block patterns with small pitch length is increased to improve snow performance, then more flexible blocks enhance edge efficiency, but the overall tread complexity and manufacturing difficulty increase
Solution Approach 1:
The tread pattern is segmented into three distinct subsets with clearly defined pitch length ranges. The first subset contains block patterns with pitch length L1 optimized for snow performance, the second subset with L2 > L1, and the third subset with L3 > L2. This structured segmentation makes the complex pattern more manageable and easier to manufacture while maintaining snow performance through the predominance of smaller pitch lengths.
Data Source
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AI summary
According to aspects of the invention, a tire for a vehicle comprising a tread is provided. The tread comprises a set of consecutive block patterns arranged along a circumference of the tire, each block pattern of the set of consecutive block patterns comprising a block and a first groove adjacent to the block. The set of consecutive block patterns comprises a first subset of n1 first block patterns having a first pitch length, a second subset of n2 second block patterns having a second pitch length greater than the first pitch length, and a third subset of n3 third block patterns having a third pitch length greater than the second pitch length, wherein n1 ≥ 10, 1≥n1n2≥0.50, and 3≥n2n3≥ 1.50.