Adaptive Tire Treads for Different Conditions

Rubber composition for all-weather tire treads that provides good balance of wet grip, snow traction, and rolling resistance. The composition contains specific elastomer components, fillers, resins, oils, and cure package. The elastomer blend has a polybutadiene base with a high cis content, low Tg, and small amount of styrene-butadiene rubber. The filler is silica with moderate surface area. The resin has a mid Tg. The oil amount is moderate. The cure package has specific accelerators, activators, and inhibitors. This composition provides wet grip, snow traction, and rolling resistance balance for all-weather tires.

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Rubber composition for tire treads that balances wet, rolling resistance, and snow performance. The composition contains a diene rubber, thermoplastic elastomer, resin, and silica. The diene rubber has a specific range of styrene-butadiene ratios. The thermoplastic elastomer has a low butylene content. The resin is a styrene-based resin. This composition provides improved balance of wet traction, rolling resistance, and snow performance compared to conventional tire treads.

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A tread design for winter tires that improves grip and handling on snow, ice, and bare road. The tread has a specific block arrangement with a unique shape and layout that enhances snow traction, provides better steering response, and reduces aquaplaning. The blocks have serrated edges, curved contours, and a zigzag pattern that grips and bites into snow and ice, while also providing channeling for water evacuation. The blocks are also arranged in a specific configuration to maximize contact patch size and pressure distribution on dry roads. This tread design improves winter tire performance without sacrificing summer tire characteristics.

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A tire with improved snow traction compared to traditional tires. The tire has blocks with recesses extending across the ground contacting surface and the sidewall. The recesses have triangular openings on both the ground and sidewall surfaces. The sidewall opening terminates before reaching the groove bottom. This unique recess design allows snow to pack into the triangular openings and compact onto the ground contacting surface, enhancing traction on snow.

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Non-pneumatic off-road tires for vehicles like utility terrain vehicles (UTVs) that have improved rut wander performance without sacrificing load capacity. The tires have characteristics like low camber thrust stiffness, specific tread shape, and reinforcement layout to prevent excessive steering inputs and wandering when driving over ruts. The low camber thrust helps avoid getting stuck in ruts. The tread has a narrower center section to widen the contact patch. The reinforcement ply has a gap in one wrap at the center to reduce stiffness. This allows the tire to follow the rut contour instead of getting stuck.

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Tire with optimized snow performance and low rolling resistance by using specific narrow groove patterns in the shoulder and center regions. The shoulder has alternating linear/arc shaped narrow grooves, while the center has an angled narrow groove connected to the main groove and a separate narrow groove that extends circumferentially. This configuration improves snow traction without sacrificing rolling resistance by providing biting edges in the shoulder and center that enhance grip on snow while minimizing voids for reduced rolling resistance.

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A tire tread design that provides good snow performance and steering stability simultaneously. The tread pattern has three-direction intersection points between the grooves that allow compacting snow in multiple directions. These points have bent edges with an optimal angle range of 40-85 degrees. This design ensures strong snow shear force without sacrificing block rigidity for steering stability.

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Pneumatic tire design with improved uneven wear resistance and wet traction. The tire has specific features in the shoulder and center regions. The center land portion has multiple center lug grooves with blocks between them. The middle land portion has multiple middle lug grooves, blocks, a notch on the center groove side of each block, and a middle sipe extending from the notch to the shoulder side. This configuration helps prevent uneven wear and improves wet traction by providing interconnected sipes and lugs that can channel water and provide biting edges.

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Two-wheeled vehicle tire for off-road use that provides stable traction and slide control on both soft and hard terrain. The tire has a tread with middle blocks between the equator and edge. The middle blocks have different radially outer surface areas. The smaller block has no sipe, while the larger block has at least one sipe. This configuration allows better traction on soft terrain by maximizing block contact area, while preventing excessive block deformation and maintaining stability on hard terrain by avoiding excessive sipe depth in the smaller block.

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Adaptive tire pressure management system that optimizes tire pressure based on factors like weather, road conditions, and driving habits to enhance safety, efficiency, and performance. The system monitors tire pressure, receives data on conditions, determines optimal pressure, and commands the tire pressure control system to adjust. It can also proactively suggest tire pressure adjustments at specific locations during a trip. The system can also calculate tire pressure schemes for entire trips.

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Rubber composition for tire treads that improves braking on icy roads and response on snowy roads. The composition contains a diene rubber and an aromatic resin with a liquid glass transition temperature (-100°C to 0°C) containing an aromatic vinyl compound like styrene. The liquid aromatic resin provides a balance of tire softness and rigidity that enhances both ice braking and snow response compared to solid aromatic resins or non-aromatic resins.

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Optimizing vehicle mobility performance by individually controlling wheel slippage to maximize mobility on rough terrain. The technique involves estimating wheel mobility performance based on force and velocity, comparing to maximum, and finding optimal slippage for each wheel to operate at peak mobility. This allows tailored wheel control for best vehicle performance on uneven terrain.

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Recommending appropriate items to a vehicle user based on their driving behavior to improve user satisfaction and engagement with the vehicle diagnosis system. The system analyzes the user's driving data over a period and identifies predetermined behaviors. It then determines items to recommend based on deviations from normal behavior. Only one item is presented with a message to the user. This prevents overwhelming them with multiple recommendations. The item is selected based on the user's memory of the behavior.

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Tyre pressure plays a vital role in dynamic control over the vehicle and enhancing overall fuel efficiency by lowering rolling resistance and, as result, tractive effort. Excessive speeding causes traction loss, which is primary cause of accidents. Wet roads make driving more perilous, hence majority accidents occur during rainy season. As worlds crude oil sources deplete electric car industry expands, it critical to extend range currently existing automobiles improving its efficiency. In order find solution above problems, authors investigated impact tyre on coefficient friction designed developed regulating system that uses an infrared rpm sensor track rate at tires rotational speed decreases function time, then information calculate ideal based current environmental conditions data from various accelerometers. This unique automatically changes provide best combination driver safety sensors detecting slip lateral acceleration, regardless road surface conditions.

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A pneumatic tire with improved wet and snow performance by optimizing the tread pattern. The tire has alternating pairs of asymmetrically inclined main grooves extending from the ground contact edge to the equator. These form staggered land portions extending from the equator to the ground. The innermost blocks in each land have notches opening to the main groove connections, improving drainage. This pattern provides enhanced snow traction, braking, and wet grip compared to traditional symmetrical treads.

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A method for temporarily increasing traction of a vehicle's tires to improve handling in scenarios like getting stuck in snow or driving on ice. The method involves using a controllable suspension system with adjustable dampers and springs. By selectively stiffening the suspension components, the vehicle's contact with the ground is improved, providing better traction. This can be done automatically based on sensor inputs or manually by the driver. The adjustable suspension allows the vehicle to transition between normal handling for dry conditions and enhanced traction for low friction situations.

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Estimating the coefficient of friction between a vehicle tire and the road surface even when the tire is not slipping. This allows continuous coefficient estimation without needing complex observers. The coefficient is adjusted based on time since the last slip event. When slipping, the coefficient is calculated conventionally from torque, speeds, etc. But when not slipping, the coefficient is adjusted at a rate that increases with time since slip. This provides a smooth transition between slip and non-slip conditions.

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The article presents the analysis of technical requirements for automobile tires, which have a direct impact on safety wheeled vehicles by increasing adhesion tires to support surface with low coefficients, wet asphalt, rolled snow and ice, as well environmental characteristics wheel rolling resistance sound level reduction when driving asphalt. scientific novelty is research aimed at limiting abrasive wear tire tread, development test methods its assessment during road bench tests. uncertainties possible systematic accidental errors that occur testing are analyzed, may affect results supervision in market products released basis primary certification. carried out application international norms UN Regulations Global Technical Republic Belarus Russian Federation, Eurasian Economic Union whole. Recommendations offered early modern State countries comparison Regulation On Safety Wheeled Vehicles.

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A tire with adjustable tread design to improve grip on different road conditions. The tire has multiple variable regions in the tread that can be changed between raised, flat, and concave shapes using adjustment units. This allows switching the tire's contact patch configuration based on the road surface. Raised shapes provide extra grip on muddy, snowy, or wet roads, while flat shapes reduce impact on smooth roads. Concave shapes improve adhesion on slick surfaces. The tire can adapt its tread shape to better match the road conditions for improved traction and handling versatility.

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Tire with studs that protrude automatically based on temperature to improve traction on snow and ice without performance loss on dry roads. The studs have a shape memory alloy portion that deforms at low temperatures to extend out of the tire tread. This protrusion provides better grip on snow and ice without needing manual stud installation. At higher temperatures, the studs retract into the tread for normal road use. The studs also have features like grounding and hinge sections to manage their engagement with the road surface.

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A pneumatic tire with heating elements in the longitudinal grooves to improve traction in snowy or icy conditions. The tire has a heating unit in each groove with graphene to convert tire rolling motion into electrical energy. A switch allows activating the heating elements when needed. The graphene stores electrical energy during normal driving and then releases it to heat the adjacent groove rubber when activated. This melts snow stuck in the grooves for better traction. The graphene-based heating system allows quick snow removal without relying on tire temperature.

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Adaptive tire traction system for vehicles that enhances grip in all weather conditions without changing tires or adding chains. The system uses a curved composite tire with distinct rubber zones on the shoulders and center. The outer shoulder has studs for snow/ice, the center has low friction rubber for normal traction, and the inner shoulder has high grip rubber for emergency braking. The tire can tilt inward to engage the inner shoulder for better grip in emergencies, triggered by ABS sensors. This allows optimized traction without sacrificing fuel efficiency or tire life. The tilt mechanism can be hydraulic or connected to the ABS system.

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An intelligent tire that is explosion-proof, low-carbon and environment-friendly, and can adapt to different road conditions. The tire has features like: 1. Explosion-proof: The tire can prevent bursting by using a protective cover over the tire beads, sensors to monitor bead integrity, and a self-sealing inner liner that patches punctures. 2. Low-carbon: The tire reduces carbon footprint by using a solid inner core instead of a pneumatic bladder, which eliminates the need for frequent replacement when worn. 3. Environment-friendly: The tire is environment-friendly by being reusable, as the inner core and tread can be swapped out when worn instead of replacing the whole tire. 4. Adaptive: The tire adapts to road conditions by using intelligent components that can change shape, like telescoping ant

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Adaptive deformation tire with a controllable tread width to improve vehicle mobility on rough terrain without changing tires frequently. The tire has a tread, spokes, struts, sleeve, and main shaft. The spokes and struts are made of shape memory resin. They have through-holes with resistance wires. When power is applied, the wires heat the spokes, causing them to bend and deform the tread from wide to narrow for better traction on rough terrain. The tire can self-adjust width to adapt to different terrain.

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Self-adaptive tire for sand pit muddy roads that transforms its structure in situ to improve grip and then reverts back to reduce rolling resistance on normal roads. The tire has spokes with heated sections that soften when warmed above a threshold temperature. When driving in mud, the spokes extend straight by turning off power. In mud, they cool and stay extended. On normal roads, power is on, heating the spokes to bend back. This allows the tire to dynamically morph between a straight configuration for mud and a bent configuration for normal roads using thermal stimulation.

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Tire with deformable profile and a method to dynamically change its shape to optimize traction and generate electricity. The tire has an inner carcass surrounded by an outer carcass. Conductive elements on each carcass generate magnetic fields that repel or attract each other, changing the distance between the carcasses and effectively deforming the tire shape. This allows adjusting tire profile for better grip on varying surfaces. The deformation also increases friction between two friction layers inside the tire, generating electricity through friction.

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Pneumatic tire with variable width grooves, cuffs, and sipe edges that can adapt their widths based on conditions. The tires have graphene embedded in the tread around these features. During rolling, the tire's motion converts to electrical energy in the graphene. An electronic control system can then apply power to the graphene to straighten the adjacent variable material. This allows variably changing the widths of the grooves, cuffs, and sipe edges using electrical signals. It enables tailoring tread performance for different scenarios like wet vs dry vs snow by selectively widening/narrowing specific areas.

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A tire with adjustable deformation to improve traction and prevent slipping on wet or slippery roads, and reduce rolling resistance on long downhill stretches. The tire has a circular inner tube, manual gate valve, air cylinder, and outer tread. The cylinder allows adjusting tire pressure on the go to optimize grip and rolling resistance based on road conditions. This prevents slipping on wet roads and excessive braking on downhill stretches by dynamically adjusting tire stiffness.

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Tire with adjustable tread pattern to improve traction and stability on different road conditions. The tire has a tread with multiple blocks that can deform in response to road conditions. Sensors detect the road surface and independently control deformation of the inner and outer blocks. During cornering, blocks protrude to increase grip. This adaptive tread design aims to optimize traction and stability based on real-time road conditions.

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Controllable wheel for vehicles that can adjust the depth of the tire tread patterns. The wheel has an electric push rod inside the tire cavity that extends radially to move the outer tread block. This allows the tread depth to be changed electronically to adapt the tire for different terrain without swapping wheels. The push rod connects to an electric contact ring on the hub, which in turn connects to a telescopic link on the vehicle frame. A spring keeps the link retracted, but when the vehicle needs deeper tread, the link extends the push rod to push the tread block further. This allows electronic adjustment of the tread depth on the fly.

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A tire that can adapt its shape and grip to optimize performance in different driving conditions. The tire has features like heating elements, selectively inflatable chambers, and dual-material tread compounds that can be actively controlled to adjust the tire's shape and grip. This allows the tire to adapt to changing road conditions, like cornering vs straight line driving, to provide optimal traction and reduced energy losses. The heating elements warm the sidewalls and tread to improve grip on cold surfaces. The inflatable chambers alter the tire's profile to affect the contact patch size. The dual-material tread has outer performance rubber with high grip for corners and inner economy rubber with lower grip for straights. By actively managing these features, the tire can optimize grip and rolling resistance for the specific conditions it encounters.

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A wheel with a controllable tire tread depth that allows adjusting the depth of the tire's tread pattern without replacing the tire. The wheel has an electric push rod inside the tire cavity that drives a tread block to change its depth. The push rod is connected to an electric contact ring on the wheel hub. This allows electronically extending or retracting the tread blocks. A support frame inside the tire holds the push rod and allows detachment for service. A telescoping rod with a spring connects the push rod to the support frame. This allows the push rod to extend/retract the tread block while the support frame stays in the tire.

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Tire with adjustable tread height for improved versatility and longer life. The tire has a profiled tread with tread pattern elements that can be moved between positions. The elements are held in spaces in the tire wall and can be displaced radially to adjust tread height. An adjustment device moves the elements. This allows customizing tread height for different conditions. A spring arrangement provides resistance. It also allows compensating for wear by replacing elements.

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Variable width tire that can dynamically adjust its width based on driving conditions and road surfaces. The tire has a fixed tread with a fixed outer diameter and a variable tread beside it. The outer diameter of the variable tread is determined by a variable structure below it. By changing the outer diameter of the variable tread, the overall width and ground contact area of the tire can be altered. This allows the tire to adapt its dimensions to optimize handling, traction, stability, and road holding for different driving scenarios.

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A pneumatic tire with adjustable tread pattern for changing grip based on weather conditions. The tire has a tread with grooves that can change width. Electrical energy generated during tire rotation is stored in the grooves. An operating portion can adjust the stored energy to expand or contract the grooves. This allows changing the tread pattern without replacing the tire. The adjustable grooves provide customized grip in varying weather.

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An all-weather anti-skid tire with internal devices that deploy cleats when needed to improve traction on slippery surfaces. The tire has multiple anti-skid units inside the tire housing, each containing an electromagnet and a cleat assembly. The electromagnet pushes the cleats out through the tire tread when activated, providing additional bite on snow and ice. The cleats retract when the electromagnet is deactivated, allowing normal tire operation. This allows the tire to have cleats for improved traction in harsh conditions without sacrificing road noise or wear when used on dry surfaces.

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Friction controllable tire with an anti-slip structure that uses magnetorheological rubber to adapt friction performance. The tire has an anti-slip layer made of magnetorheological rubber fixed to the tread. A variable magnetic field, like a coil, generates a magnetic force on the magnetorheological rubber. By adjusting the magnetic field, the friction coefficient of the anti-slip layer can be changed. This allows the tire to have controllable friction, preventing slippage on low traction surfaces while avoiding excessive friction on good traction surfaces. The coil is located in an annular groove in the rubber to prevent damage.

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An all-terrain wheel system for vehicles like cars, motorcycles, and ATVs that can adapt the tire tread to match the terrain without swapping tires. The wheel has a hub and a tire with multiple tread blocks that project outward or recess inward. A drive mechanism varies the distance between each tread block and the tire surface. This allows changing the tread profile to optimize grip and traction for paved roads versus off-road conditions. The vehicle has an air distribution system to fill the tires with the desired pressure for each tread configuration.

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Tire design that can adaptively adjust the contact area with the ground based on driving conditions to improve vehicle performance and efficiency. The tire has a tread with variable width sections that can expand and contract in response to forces applied during driving. This allows the tire to dynamically optimize contact patch size for different conditions like acceleration, braking, cornering, and straight-line driving. The expandable tread sections contain flexible materials and structures that can deform and expand outward when subjected to forces like lateral acceleration. This increases the contact patch width for improved grip and stability in corners. Conversely, the sections can contract for reduced contact when less grip is needed, like during high-speed straight-line driving. The adaptive tread design aims to provide optimal tire performance and efficiency in various driving scenarios.

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Tires that can dynamically change their contact patch area and side wall configuration in response to driving conditions. The tires have a hybrid compound construction with soft, intermediate, and hard compounds. Using finite element analysis, the tire geometry is optimized to maximize traction and stability in critical situations like emergency braking and cornering while minimizing rolling resistance in normal driving. The tire actively alters its footprint based on forces acting on it to provide enhanced traction and stability when needed. This allows the tire to dynamically adapt to changing driving conditions for improved vehicle safety and handling.

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Dynamic Hybrid Compound Tires (DHCT) that can change their contact patch area and side wall in response to driving conditions to improve traction and stability. The tires actively deform based on forces acting on them, like braking force or cornering force, to optimize traction for specific situations. The tires have a hybrid compound construction with soft, intermediate, and hard compounds that deform at different rates to dynamically adjust contact patch size and shape. This allows enhancing traction in critical situations like emergency braking or cornering without sacrificing rolling resistance in normal driving.

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A tire design that allows independent absorption of impact by individual tread sections mounted on separate wheel sections. This enables the overall tire shape to change based on road conditions and impacts, improving ground contact and traction on uneven surfaces. The independent tread sections also allow customization of tread patterns for different road types. A buffering mechanism between the wheel and tread absorbs radial forces during impact to allow shape conversion. The tire can have a varying number of tread sections based on application needs.

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Tire with wear resistance and variable friction control using shape memory polymers. The tire has a tread, belt, carcass, sidewall, and bead wire. The tread is pre-deformed by compression and embossing before curing. The compression reduces height and the embossing adds fine lines. This initial deformation is partially reversed during heating, providing adaptive friction and wear resistance. The compression deformation reduces wear by flattening the tread contact area. The embossing deformation provides variable friction by changing the tread texture.

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Tires with adjustable grip and rolling resistance using electric fields. The tires have an elastomer in the tread ground contact area that changes viscoelasticity when an electric field is applied. Electrodes inside the tire can be used to apply the field. This allows adjusting the hysteresis loss near the ground contact surface, which affects grip and rolling resistance. The electric field can be controlled based on vehicle conditions to optimize tire performance.

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Tire design that allows for versatility across road types like both on-road and off-road by changing the tread block arrangement based on the tire curvature. The tire has a sub-tread below the tread blocks that can stretch and change curvature. The tread blocks are arranged so that the spacing between sub-treads varies with the sub-tread curvature. This allows optimized block contact and traction on both flat and curved surfaces.

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A system that optimizes vehicle control systems like ABS and CMBS using real-time tire sensor data. The system involves mounting sensors on vehicle tires to measure parameters like pressure, temperature, wear, etc. An adaptive tire model processes this data to continuously generate revisions to tire-specific performance parameters like braking stiffness, optimal slip point, and shape factor. These revisions are then applied in real-time to the vehicle control systems to optimize their performance based on the current tire state. This provides predictive knowledge of tire braking capability for improved ABS robustness and CMBS safety.

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An anti-skid tire design with multiple telescoping channels in the tread that allows the tire to maintain traction when sliding. The channels have non-slip bodies inside that protrude through the tread when the tire is sliding. This prevents complete loss of traction and allows the tire to continue moving instead of locking up. The channels have a flexible bonding layer between them that allows them to telescope during normal driving. The tire also has other features like specialized mold bits, thickened sidewalls, and an airbag cushion to enhance anti-skid performance.

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Non-pneumatic tire with variable tread that can adapt to different road conditions without needing to be replaced. The tire has a modular design with detachable unit cells containing shape memory alloy actuators. These actuators change shape when heated by electrical or magnetic signals. The tire also has a temperature supply unit to heat the actuators. By selectively heating cells, the tread deforms to provide customized traction on different surfaces. The modular design allows replacing worn cells instead of the whole tire.

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Magnetic changing elastic variable rigidity tire that can adapt its stiffness based on road conditions. The tire has a magnetic elastic layer between the tire carcass and tread. This layer contains a magnetic field, magnetic particles, and a base. The magnetic field can be controlled to change the stiffness of the magnetic elastic layer. This allows the tire to adapt its rigidity in response to road conditions for better traction and reduced vibrations. The magnetic changing elastic layer is sandwiched between the tire carcass and tread to provide the adaptive stiffness.

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Adaptive tire technology for vehicles that can change tire shape based on driving conditions to optimize performance. The tires have shape-changing agents integrated into the wall that can be electronically controlled. Sensors detect driving situations like acceleration, braking, cornering, and straight-ahead travel. The shape-changing agents are activated to modify the tire footprint for better traction, stability, and wear in those conditions. This allows customized tire performance for specific driving scenarios beyond just tire tread design.

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