Thermal Management for High-Speed Tires
73 patents in this list
Updated:
High-speed tires can experience internal temperatures exceeding 100°C during sustained operation, with thermal gradients creating zones of accelerated wear and potential material degradation. At speeds above 200 km/h, conventional rubber compounds struggle to dissipate heat quickly enough, leading to compromised structural integrity and reduced tire life.
The fundamental challenge lies in enhancing thermal conductivity of tire materials while maintaining the essential mechanical properties—elasticity, wear resistance, and structural integrity—that enable safe high-speed operation.
This page brings together solutions from recent research—including graphene-enhanced rubber compounds, composite materials with engineered thermal pathways, advanced carbon black formulations, and multi-layer heat-dissipating architectures. These and other approaches offer practical methods for improving heat management in high-performance tires while preserving their core functional requirements.
1. Wheel Hub with Integrated Cooling System Featuring Heat Dissipation Columns and Thermal Conductive Sheet
SIHONG WEIHAO METAL PRODUCT CO LTD, 2024
A wheel hub with an integrated cooling system to dissipate heat generated by the wheel hub and tires during braking and driving. The hub has a heat dissipation column connected to a thermal conductive sheet on the outer wall of the bead seat. Coolant flows through pipes inside the hub body to cool the wheel hub. A clip fixes the thermal conductive sheet and column to the hub for closer contact. Multiple columns spread heat over a larger area for better dissipation. The hub body also has water inlets and outlets for filling and draining the coolant.
2. Non-Inflatable Wheel with Ribbed Ventilation Ducts and Auxiliary Heat Dissipation Holes
南京航空航天大学, NANJING UNIVERSITY OF AERONAUTICS AND ASTRONAUTICS, 2024
A non-inflatable safety wheel with improved heat dissipation to prevent excessive local temperatures during operation. The wheel has a coal wheel body with ribbed ventilation ducts and auxiliary heat dissipation holes on the side. The ribbed ducts increase convection heat transfer area, while the auxiliary holes provide additional pathways for internal heat escape. This optimized heat dissipation structure improves the thermal state and heat capacity of the non-inflatable wheel, preventing overheating and extending service life.
3. Rubber Composition with High Thermal Conductivity Carbon-Based Filler and Reinforcing Filler
CHINA PETROLEUM & CHEM CORP, CHINA PETROLEUM & CHEMICAL CORP, SINOPEC BEIJING CHEMICAL RES INSTITUTE CO LTD, 2024
Rubber composition for vulcanized products like tires that has improved thermal conductivity compared to conventional rubber compounds. The composition contains a high thermal conductivity carbon-based filler like graphene, along with reinforcing filler like carbon black. The graphene filler improves heat conduction while the carbon black provides reinforcement. The composition also has optimized amounts of vulcanizing agents, halogen-containing rubber, vulcanizing activators, and plasticizers.
4. Tire with Embedded Copper Wires in Grooves and Multi-layer Internal Structure
QINGDAO HENGDA TYRE CO LTD, 2023
A tire with improved heat dissipation to prevent premature wear and punctures at high speeds. The tire has embedded copper wires in grooves on the outer surface. The copper wires conduct heat away from the tire. The tire also has an internal structure with layers like an airtight layer, isolation layer, cord layer, steel belt layer, and covering layer stacked from inside to outside.
5. Solid Tires Comprising Natural Rubber and Fluororubber with Aluminum Nitride and Ellagic Acid Fillers
RONGCHENG RONGYING RUBBER PRODUCTS CO LTD, 2023
Solid tires with improved heat dissipation and longer lifespan through the use of specific rubber compounds and fillers. The tire has a liner and tread made by combining natural rubber, fluororubber, fillers like aluminum nitride, epoxy resin, glass fiber, and ellagic acid, vulcanizing agent, and accelerator. The fillers improve heat conduction, allowing the tire to quickly dissipate heat generated during high load applications. This prevents excessive tire temperatures that degrade the rubber over time.
6. Graphene-Resin Composite Structure for Tire Carcass Reinforcement
Nexen Tire Corporation, 2022
Replacing the traditional fiber cords in tire carcasses with a composite material made of a graphene layer sandwiched between two thin resin layers. The composite improves heat dissipation compared to the original fiber cords while maintaining the tire's strength and flexibility. The composite has specific thickness constraints for the resin layers and graphene layer to balance heat conduction, impact protection, and weight reduction. The composite structure is integrated into the tire carcass to improve heat dissipation and reduce heating issues compared to conventional tires.
7. Integrated Tire Radiator Structure with High Thermal Conductivity Materials
QINGDAO MUWO TECH CO LTD, QINGDAO MUWO TECHNOLOGY CO LTD, 2022
A built-in tire radiator structure to dissipate internal tire heat and improve tire lifespan. The radiator is integrated into the tire during manufacturing using liquid rubber. It transfers the internal tire heat to the outside through high thermal conductivity materials like metals, polymers, or carbon fibers. This reduces the internal tire temperature and extends tire life. The radiator also provides benefits like increased rigidity, load capacity, protection for the sidewall, and expanded material options.
8. Tire Shoulder Heat Sink with Interlocking Plates and Integrated Impact Protection
NEXEN TIRE CORP, 2022
Heat sink for tires that dissipates heat from the shoulder area while also protecting the shoulder and sidewall from impact. The heat sink is a plate with a first surface attached to the tire shoulder and a second surface with heat dissipation features. It fits into a recess in the shoulder. The plate has a protrusion on one side that mates with a concave portion on an adjacent heat sink to connect them. This allows multiple heat sinks to be chained together in the tire shoulder.
9. Solid Tire with Removable Heat-Conducting Plates for Enhanced Thermal Management
JIANGSU TOP TIRE CO LTD, 2022
Heavy-duty solid tire with efficient heat dissipation to prevent overheating and damage. The tire has removable heat-conducting plates in the rim areas and sidewall that can be inserted into slots in the tire body. When mounted, the plates are fixed in place to create a heat path from inside the tire to the outside. The plates allow heat to be transferred out of the tire body and prevent overheating.
10. Solid Tire with Integrated Metal Heat Dissipation Assemblies
JIANGSU DONGHAO RUBBER CO LTD, 2022
Solid tire with rapid heat dissipation to prevent excessive tire temperature buildup during high-load, high-speed applications. The tire has embedded heat dissipation assemblies made of metal sheets and wires that extend from the sides to the center and connect to the wheel hub. These heat dissipation features allow fast heat transfer out of the tire to prevent overheating and degradation. The metal components flush with the tire sides and center to facilitate heat transfer.
11. Automobile Wheel Hub with Integrated Liquid-Cooled Heat Dissipation System
BEIQING WUXIN AUTOMOBILE TECH ANHUI CO LTD, BEIQING WUXIN AUTOMOBILE TECHNOLOGY CO LTD, 2022
Automobile wheel hub with enhanced heat dissipation to prevent tire overheating and pressure buildup during high speed driving. The wheel hub has a curved pipe with cooling liquid inside connected to the hub. Heat-absorbing blocks inside the pipe transfer heat to a heat-conducting rod that goes through the hub. A heat sink attaches to the other end of the rod. This design allows the hub to exchange heat with the tire gas through the curved pipe and distribute it to the hub and heat sink for dissipation.
12. Tire with Internal Cavity Containing Phase Change Material for Heat Exchange
JI HUA LABORATORY, 2022
Heat exchange tire with internal phase change material to reduce tire temperatures during operation and prevent damage. The tire has a cavity filled with a phase change material that absorbs heat during phase transitions. This internal heat sinking helps maintain tire temperatures within normal ranges during driving.
13. Tire with Composite Carcass Incorporating Graphene and Resin Layers for Enhanced Thermal Conductivity
NEXEN TIRE CORP, 2022
Heat dissipating tire with improved heat dissipation and weight reduction compared to conventional tires. The tire uses a composite carcass made of resin layers sandwiched between graphene layers instead of traditional rubber cord layers. The graphene layers enhance thermal conductivity for better heat dissipation. The resin layers provide structure and shock absorption. The composite carcass replaces the traditional rubber cord carcass in the tire.
14. Tire Construction with Integrated Conductive Fins for Enhanced Heat Dissipation
한국타이어앤테크놀로지 주식회사, 2022
Tire design with fins to improve heat dissipation and durability. The fins are integrated into the tire construction between the belt and reinforcing belt. They are conductive plates with fins that dissipate heat from the tire. Some fins extend into the tire tread grooves to enhance heat dissipation. This provides additional heat dissipation beyond just the sidewall or shoulder. The fins are made of a metal like copper to conduct heat away from the tire. Exposed portions of the fins may have protrusions or dimples for further heat dissipation.
15. Solid Tire with Integrated Heat Sink and Shunt Device for Enhanced Thermal Management
CHENG SHIN RUBBER IND LTD, CHENG SHIN RUBBER XIAMEN IND LTD, 2021
Solid tire design with improved heat dissipation to prevent overheating and extend tire life. The tire has a heat sink inside the carcass and a shunt device on the wheel hub. These metal components form a closed channel through the rim. A heat dissipating medium, like wax or water, circulates through this channel to rapidly remove heat from the tire. The shunt device also has heat dissipation features on its axial side to further disperse heat. This allows the tire to maintain high load capacity while addressing heat generation issues.
16. Tire with Multi-Layer Heat Transfer Members in Bead Area
넥센타이어 주식회사, 2021
Tire design to prevent bead separation and improve durability by dissipating heat generated in the bead area. The tire has a heat transfer member between the bead and inner sidewall to conduct heat away from the bead. This prevents cracking and growth that can cause bead separation. A second heat transfer member between the first one and sidewall helps. The heat transfer members are made of rubber with progressively softer hardnesses.
17. Tire Sidewall Rubber Composition with Thermal Cracking High Heat Transfer Carbon Black
SHANDONG LINGLONG TYRE CO LTD, 2021
A high-heat-transfer tire sidewall rubber composition for semi-steel radial tires that improves heat dissipation and extends tire life. It uses thermal cracking high heat transfer carbon black to partially replace conventional carbon black. This carbon black has high iodine absorption (≥90 g/kg) and specific surface area (≥80 m2/kg) to enhance heat conduction. By leveraging the intrinsic heat transfer properties of this carbon black, it improves sidewall heat dissipation without degrading rubber properties. This accelerates heat dissipation, shortens thermal aging, and prolongs tire life.
18. Rubber Composition Incorporating Ultra-Light Porous Silicon for Enhanced Thermal Conductivity in Tire Shoulder Wedges
CHENG SHIN RUBBER CHINA CO LTD, CHENG SHIN RUBBER CO LTD, 2021
Rubber composition for shoulder wedges and tires that reduces heat buildup in the tire shoulder area to prevent premature aging and failure. The composition contains natural rubber, carbon black, ultra-light porous silicon, aromatic oil, antioxidant, zinc oxide, stearic acid, accelerator, and sulfur. The ultra-light porous silicon increases thermal conductivity to dissipate heat better. The composition avoids tackifying resins and other heat-generating additives.
19. Tire Sidewall with Stepped Heat Dissipation Units and Reinforcement Structure
NEXEN TIRE CORP, 2021
Tire with improved heat dissipation and durability in the sidewall area. The tire has multiple stepped heat dissipation units along the sidewall circumference. This allows better heat dissipation compared to a single cooling fin. The stepped design also reinforces the sidewall in areas of concentrated stress during flexing to prevent deformation. This minimizes sidewall heat buildup and fatigue.
20. All-Steel Radial Tire Tread Rubber Material with Aluminum Oxide for Enhanced Thermal Conductivity
GUIZHOU TYRE CO LTD, 2021
Ultra-high-thermal-conductivity all-steel radial giant tire tread rubber material to improve tire performance and prevent abnormal damage. The rubber formulation contains aluminum oxide as a heat-conducting agent in addition to conventional ingredients like natural rubber, carbon black, zinc oxide, stearic acid, microcrystalline wax, anti-aging agent, softener, aromatic oil, sulfur, accelerator, and scorch retarder. The aluminum oxide increases thermal conductivity without significantly impacting other properties.
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