Solid Rubber Non-Pneumatic Tire Tread Design

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Solution Overview

Problem

Pneumatic tires face issues such as rapid wear, environmental impact, and safety concerns due to the risk of blowouts, and existing non-pneumatic tire solutions do not adequately address these problems.

Innovation Solution

Development of solid rubber non-pneumatic tires with various tread patterns and a radially-circumferential-cavity filled with a non-freezing cooling medium for improved traction, shock absorption, and heat dissipation, which are designed to be safer and more environmentally friendly by eliminating the need for air inflation.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If pneumatic tires are used to provide flexible cushion and shock absorption, then comfort and traction are improved, but the risk of blowouts and rapid wear increases

Engineering Contradiction:

ImprovesafetyVSAvoidtire wear

Core Design Contradiction:

ReliabilityVSDuration of action of moving object

Solution Approach 1:

The patent employs a solid rubber tire design that eliminates the pneumatic chamber, using a simpler, more durable construction that resists blowouts and extends service life despite being replaceable

Inventive Principle:

Principle #27Cheap short-living objects (Disposable)

Solution Approach 2:

The tire utilizes composite material construction combining rubber compounds with reinforcing fabrics and wires in layered structures to achieve both flexibility for comfort and strength for durability

Inventive Principle:

Principle #40Composite materials

2Ease of operation

If pneumatic tires are used to provide traction and cushioning, then vehicle performance is improved, but environmental impact increases due to rapid wear

Engineering Contradiction:

Improvevehicle performanceVSAvoidenvironmental impact

Core Design Contradiction:

Ease of operationVSObject-generated harmful factors

Solution Approach 1:

The solid rubber tire design reduces environmental harm by eliminating the complex pneumatic structure that wears rapidly, using a simpler, longer-lasting construction that generates less debris

Inventive Principle:

Principle #27Cheap short-living objects (Disposable)

Solution Approach 2:

The patent changes the fundamental parameter from pneumatic (air-filled) to solid rubber construction, altering the material state and structural properties to reduce wear and environmental impact while maintaining performance

Inventive Principle:

Principle #35Parameter changes

3Strength

If pneumatic tires are used to provide flexible cushion, then shock absorption is improved, but maintenance requirements increase due to blowout risks

Engineering Contradiction:

Improveshock absorptionVSAvoidmaintenance frequency

Core Design Contradiction:

StrengthVSEase of repair

Solution Approach 1:

The solid rubber tire eliminates the pneumatic chamber that is prone to punctures and blowouts, creating a simpler structure that requires less frequent maintenance and repair

Inventive Principle:

Principle #27Cheap short-living objects (Disposable)

Solution Approach 2:

The solid rubber construction provides inherent shock absorption capability built into the material structure itself, eliminating the need for pneumatic pressure to provide cushioning

Inventive Principle:

Principle #11Beforehand cushioning (Prior cushioning)

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 solid rubber non-pneumatic tires provide enhanced safety and reduced environmental impact by eliminating the risk of flat tires, offering better traction and shock absorption while maintaining vehicle stability and maneuverability across adverse conditions.

Implementation Method 1

radially-circumferential-cavity filled with a non-freezing cooling medium for improved traction, shock absorption, and heat dissipation

Methodology Applied

Scientific EffectThermal conduction: Conduction (thermal)

Implementation Method 2

radially-circumferential-cavity filled with a non-freezing cooling medium for improved traction, shock absorption, and heat dissipation

Methodology Applied

Scientific EffectConvection: Convection

Implementation Method 3

solid rubber non-pneumatic tires with various tread patterns and a radially-circumferential-cavity filled with a non-freezing cooling medium for improved traction, shock absorption

Methodology Applied

Scientific EffectElasticity: Elasticity

Data Source

PatentUS9242509B2Non pneumatic vehicle tires and pneumatic vehicle tires with tread patterns

Publication Date: 2016.01.26 CHANG ALICE

AI summary

Vehicle tires with solid materials, such as rubber and polymer, are designed to increase the safety of the vehicle without the risk of having a flat tire. The tires are non pneumatic and have treads. The tires are for use on a variety of vehicles, including cars, bicycles, motorcycles, scooters, trucks, buses, aircrafts, earthmovers, tractors, trailers, carts, heavy equipments, and lawnmowers.