Tire Balancing Bead Mix for Moisture Control and Flow Stability
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Solution Overview
Problem
Current tire balancing solutions, particularly those using free-flowing granular or microbead systems, fail to effectively manage moisture within tire cavities, leading to issues like rim corrosion, pressure fluctuations, and bead clumping, which can result in tire imbalance and reduced performance.
Innovation Solution
A system and method for tire balancing that combines non-absorbent beads with super moisture absorbent beads, where the absorbent beads, made from materials like polyacrylamide or sodium polyacrylate, absorb excess moisture, preventing clumping and maintaining tire balance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If free flowing microbeads are used for tire balancing, then tire balancing effectiveness is improved, but moisture causes the microbeads to clump together and clog valves
Solution Approach 1:
The patent extracts the harmful moisture from the tire cavity by introducing super absorbent polymer beads that selectively absorb and retain moisture, separating the moisture management function from the balancing function. This allows the non-absorbent balancing beads to maintain their flowability and balancing effectiveness without interference from moisture.
Solution Approach 2:
The super absorbent polymer beads act as an intermediary substance between the moisture and the balancing beads. These intermediary beads absorb the moisture that would otherwise cause clumping, mediating the interaction between moisture and balancing beads to prevent harmful clumping while maintaining system functionality.
2Reliability
If moisture is present in the tire cavity, then tire pressure fluctuations increase due to temperature changes, but adding moisture absorbent material may affect tire balance
Solution Approach 1:
The patent segments the bead mixture into two distinct functional components: super absorbent polymer beads for moisture absorption and non-absorbent balancing beads for maintaining tire balance. This segmentation allows each component to specialize in its function, with the absorbent beads handling moisture and the balancing beads maintaining precision, thereby resolving the conflict between pressure stability and balance precision.
Solution Approach 2:
The patent applies local quality by giving different regions of the bead mixture different properties: the super absorbent polymer beads are distributed throughout to locally absorb moisture where it accumulates, while the non-absorbent balancing beads are distributed to provide consistent balancing. This local differentiation of properties allows simultaneous achievement of pressure stability and balance precision.
3Object-affected harmful factors
If hydrophobic treatment is applied to microbeads to reduce moisture effects, then moisture resistance is improved, but treatment fails under extreme humidity or cold conditions
Solution Approach 1:
The patent changes the fundamental parameter of moisture interaction from hydrophobic repulsion to hydrophilic absorption. The super absorbent polymer beads can absorb up to 500 times their weight in moisture, providing a mechanism that works across a wide range of environmental conditions including extreme humidity and cold, where hydrophobic treatments fail. This parameter change enables adaptability to extreme conditions.
Solution Approach 2:
The patent creates a composite bead system combining super absorbent polymer material with non-absorbent balancing bead material. This composite approach leverages the complementary strengths of different materials: the polymer's extreme moisture absorption capability and the balancing beads' flowability and balancing effectiveness, achieving both moisture resistance and adaptability to various conditions.
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 proposed solution effectively reduces the detrimental effects of moisture in tire cavities, such as rim corrosion and pressure fluctuations, while maintaining tire balance and preventing bead clumping, thereby enhancing tire longevity and performance.
Implementation Method 1
a mixture of non-absorbent material or beads and moisture absorbing material or beads
Implementation Method 2
the super moisture absorbent beads, where the absorbent beads, made from materials like polyacrylamide or sodium polyacrylate, absorb excess moisture
Data Source
AI summary
A set of tire balancing beads including a set of solid non-absorbent beads; and a set of super moisture absorbent beads.