Tire Balancing Machines for Precision and Performance
187 patents in this list
Updated:
Modern tire balancing requires precision measurements down to 0.25 gram-inches, with even slight imbalances causing vibrations that propagate through vehicle systems at speeds above 70 mph. Traditional dynamic balancing machines measure force variations in two planes, but emerging challenges include irregular wear patterns, asymmetric tire designs, and the need for higher accuracy at increasing vehicle speeds.
The fundamental challenge lies in achieving precise weight distribution while accounting for both static and dynamic forces across the entire tire-wheel assembly during rotation.
This page brings together solutions from recent research—including 3D sensor-based vibration analysis systems, self-centering lift mechanisms, and dynamic balancing devices with raceway-filled rings. These and other approaches focus on improving measurement accuracy and reducing the time required for proper tire balancing in both maintenance and manufacturing settings.
1. Method for Spiral Application of Sealant Layer on Tire Inner Surface Based on Balance Spot Identification
Bridgestone Americas Tire Operations, LLC, 2024
Method for applying a sealant layer to the inner surface of a tire to improve the tire's balance. The method involves identifying balance light spots on the tire's sidewalls, determining starting and ending locations for the sealant bead based on the balance spots, and applying the sealant bead in a spiral pattern starting at the first spot and ending at the second spot. This helps balance the tire by counteracting any weight imbalances between the sidewalls.
2. Dynamic Balancing Machine with Secure Bias Tire Mounting Mechanism and Internal Fastening System
SHANDONG PROVINCE SANLI TIRE MANUFACTURE CO LTD, SHANDONG PROVINCE SANLI TIRE MFT CO LTD, 2024
Bias tire dynamic balancing machine that provides stable tire installation for accurate balancing results. The machine has a unique tire mounting mechanism that securely holds the bias tire during dynamic balancing. The tire is mounted on a rotating assembly with a locking handle that threads onto the assembly. This allows the tire to be tightly resisted by the assembly as it rotates, preventing excessive tire wobble during balancing. The machine also has a tire fastening mechanism inside the tire that can tighten the tire onto the resisting block. This improves tire grip and stability during balancing.
3. Robotic Tire Change System with Chassis-Mounted Manipulators and Dynamic Balancing Capability
Automated Tire, Inc., 2023
Automated system for changing tires on vehicles without lifting them. The system uses robots to perform all tasks involved in tire changes, from removing and installing tires to balancing them. The robots have end effectors that can grip and manipulate tire components like wheels and balancing weights. They are mounted on frames that attach to the vehicle chassis. The robots can move the effectors around the tire to access different locations for tasks like balancing. Sensors resolve the tire position relative to the robot reference frame. This allows the robots to precisely apply weights to specific locations on the wheel rims for dynamic balancing while the vehicle is stationary. The robotic system enables one technician to simultaneously change multiple tires on multiple vehicles without lifting them.
4. Wheel Balancing System with Snap-On Load Member and Fixed Support for Tool-Free Installation
WHEEL BALANCE APS, 2023
A simplified and reusable wheel balancing system that allows easy installation and removal of wheel weights without specialized tools. The system has a fixed support member attached to the rim and a removable load member that can be added to balance the wheel. The load member engages with the support member to prevent sliding. Locking members secure the load member in longitudinal and radial directions. This allows precise balancing without needing screws or clamps on the rim. The load member can be snapped on and removed without damaging the rim surface.
5. Tire and Wheel Assembly Balancing Method Using 3D Sensor Vibration Analysis at Critical Speed
EURO FITTING MAN NV, EURO-FITTING MANAGEMENT NV, 2023
Tire and wheel assembly uniformity balancing method that increases driving comfort at the critical speed of a car when the risk level of vibrations is higher. The method includes receiving a pressurized tire/wheel assembly, mounting the tire/wheel assembly onto a rotatable fixture of a tire uniformity testing machine, bringing a testing drum in contact with the tire of the tire/wheel assembly such that a predetermined force and/or deformation is applied upon said tire, running the tire uniformity testing machine, bringing the perimeter of the testing drum to a critical speed while measuring vibration forces by means of at least 4 3D sensors, and computing mass and location of at least one balancing weight; and balancing the tire/wheel assembly by applying said at least one balancing weight.
6. Self-Centering Lift with Vertical Frame and Movable Seat Assembly for Tire Alignment on Balancing Shaft
YINGKOU DINGSHENG TECH CO LTD, YINGKOU DINGSHENG TECHNOLOGY CO LTD, 2023
A self-centering lift for balancing machines that automatically centers tires when lifting them onto the balancing shaft. The lift consists of a vertical frame, a movable seat assembly below it, and a driving component and centering mechanism. The seat assembly slides along a guide rail parallel to the balancing shaft axis. As the seat moves up, it lifts the tire onto the balancing shaft. The centering mechanism ensures the tire aligns with the shaft center.
7. Wheel-Mounted Balancing Device with Raceway-Filled Balancing Ring and Aerodynamic Cover
HOMAG AEROSPACE GMBH, 2023
A dynamic vehicle wheel balancing device that attaches to vehicle wheels without removing them. The device has a removable cover that attaches to the wheel flange and a balancing ring inside. The cover has openings for fasteners to attach it to the wheel flange. The ring has a raceway around it filled with a balancing medium. This allows wheel balancing without removing the wheel from the vehicle, reducing interfaces, mass, and time needed to balance wheels compared to traditional methods. The cover shape reduces aerodynamic drag when the wheel is spinning.
8. Compact Track-Mounted Tire Balancer with Enclosed Guide Rail and Movable Trolley System
SINO ITALIAN TAIDA YINGKOU GARAGE EQUIPMENT CO LTD, SINO-ITALIAN TAIDA GARAGE EQUIPMENT CO LTD, 2023
Track-type automobile tire balancing machine that can be mounted inside vehicles or in tight spaces. The balancer has a movable trolley that slides on a fixed guide rail with load wheels. The trolley holds the balancer and can move in and out of the vehicle. The guide rail has front and rear baffles that enclose the rail opening. This allows the balancer to be fully accessed from inside the vehicle without protruding out. The trolley has linear guides that attach to the rail ends. This enables smooth sliding motion inside the rail enclosure. The rail perforations allow the guides to pass through. The baffles and enclosed rail prevent the balancer from hanging out when inside the vehicle.
9. Wheel with Asymmetric Spoke Design and Removable Weight Component for Conventional Balancing
宝马股份公司, BMW AG, 2023
A wheel design and balancing method for vehicles like cars that allows balancing heavy unbalanced wheels using conventional balancing machines. The wheel has an intentionally unbalanced state created by an asymmetric spoke design covered by a removable weight-adding component. The wheel without the component is balanced. After tire mounting, the component is added to create an overall unbalance. This heavy unbalance can be corrected by conventional wheel balancing machines.
10. Wheel Hub Balance Detection Device with Microscopic Dynamics Analysis and Deviation Capture Mechanisms
滨州盟威戴卡轮毂有限公司, BINZHOU MENGWEI DICASTAL WHEEL CO LTD, 2023
Wheel hub balance detection device that provides precise wheel hub balance testing by capturing and analyzing microscopic wheel dynamics during rotation. The device uses a setup with a base, balance table, detection post, hub edge wheel positioning mechanism, and track anti-flow deviation mechanism. The hub edge positioning mechanism clamps the wheel and guides its rotation. The track mechanism captures any deviations as the wheel rotates. This allows visualizing and analyzing the wheel's microscopic balance issues during rotation.
11. Tire Centering Device with Synchronous Clamping Structure and Self-Locking Mechanism for Dynamic Balancing Machines
YINGKOU KUNCHI AUTOMOBILE MAINTENANCE EQUIPMENT CO LTD, 2022
A tire centering device for a dynamic balancing machine that allows easy installation of tires and automatic centering. The device has a fixed ring, main and auxiliary brackets, a synchronous clamping structure, and a linkage mechanism. A motor drives gears that thread into rods on the brackets. This allows the pressing wheels to move synchronously when the motor stops, providing self-locking centering. The four pressing wheels move together to center any tire size.
12. Vehicle Tire Balancing Machine with Braking Control and Proximal Sensor Configuration
MIDDLE TAIDA AUTOMOBILE WARRANTY EQUIPMENT LIMITED CO, MIDDLE TAIDA CAMP AUTOMOBILE WARRANTY EQUIPMENT LTD CO, 2022
A vehicle tire balancing machine that improves the balancing accuracy and user experience compared to conventional machines. The machine has a braking control mechanism to hold the rotor in position during balancing. This eliminates the need for lead sticking and reduces the balancing time. The machine also has a shortened detection time compared to traditional machines. This is achieved by placing the sensors closer to the rotor and using faster data processing.
13. Car Tire Balancing Machine with Integrated Brake Control and Rotor Assembly
MIDDLE TAIDA AUTOMOBILE WARRANTY EQUIPMENT LIMITED CO, MIDDLE TAIDA CAMP AUTOMOBILE WARRANTY EQUIPMENT LTD CO, 2022
A car tire balancing machine with improved braking and holding functions. The machine has a balancing body, main shaft, and rotor assembly. It adds a brake control component to the rotor assembly for braking and holding the tire during balancing. This allows faster and more convenient balancing compared to machines without braking. The rotor assembly also has features like a magnetic sheet, motor end cover, and photovoltaic panels for integration with the motor stator.
14. Wheel and Tire Assembly Balancing Method Using Radial Force Variation and Running Error Synthesis
HYUNDAI MOTOR CO, HYUNDAI MOTOR CO LTD, KIA MOTORS CORP, 2021
Balancing an assembly of a wheel and a tire to reduce vibrations and improve ride quality. The balancing method involves measuring the radial force variation (RFV) of the tire and marking the maximum value position. It also measures the inner and outer running errors of the wheel and synthesizes them. Then it marks the minimum value position of the synthesized waveform as the wheel balance reference. Finally, the tire and wheel balances are aligned to have the same phase. This reduces the assembly's vibration.
15. Balancing Machine with Integrated Laser Triangulation for Contactless Wheel Dimension Measurement
CEMB S.P.A, 2021
Balancing machine for vehicle wheels that eliminates the need for a physical gauge to measure wheel dimensions. The balancing machine has a built-in laser pointer that automatically measures wheel dimensions using triangulation instead of a physical gauge. This allows for accurate and contactless measurement of wheel geometry without requiring an operator to manually enter values. The laser pointer is mounted on the machine and has an optical system to calculate distances. This allows the machine to automatically acquire wheel dimensions during balancing instead of relying on operator input. This removes the need for a separate gauge and improves accuracy and ergonomics compared to traditional gauges.
16. In-Tire Wheel Balancer with Flexible Belt and Integrated Sensor Assembly
ITIRE, LLC, 2021
In-tire wheel balancer and tire sensor assembly that can be installed inside a tire to balance wheels without external balancing devices. The balancer consists of a flexible belt with sections, a counterweight on a cable inside the tire, and a coupler joining the belt ends. The coupler has a perforated section to equalize air pressure between the belt and tire. The sensor assembly attaches to the rim and extends into the tire. The balancer uses loose weighted media inside the belt sections to balance the wheel.
17. Wheel Balancer with Inertial Measurement Units and Elastic Element-Supported Shaft
ROBERT BOSCH S P A, ROBERT BOSCH SPA, 2021
A wheel balancer for balancing vehicle wheels that uses inertial measurement units (IMUs) instead of force sensors. The balancer has a suspended shaft supported by elastic elements. Two IMUs, one fixed and one rotating with the shaft, measure angular speeds and accelerations. By analyzing the IMU signals, the balancer determines wheel unbalance severity and angular position without force sensors. This allows balancing without the issues of calibration loss and sensitivity degradation of force sensors.
18. On-Vehicle Wheel Balancing Method Using External Sensor and Lifting Mechanism
ZAHNRADFABRIK FRIEDRICHSHAFEN, ZF FRIEDRICHSHAFEN AG, 2021
A method for balancing a wheel without removing it from the vehicle using an on-board balancing device. The method involves lifting the wheel off the ground using a separate lifting platform or jack, determining the optimal position for the balancing weight using an on-board sensor, and attaching the weight at that position. The wheel can be rotated manually to determine the imbalance and the weight position. The sensor data is evaluated to calculate the weight location. The sensor is mounted externally on the rim before the tire is fitted. This allows balancing without needing a separate balancing machine or removing the wheel from the vehicle.
19. Automatic Wheel Balancing Device with Concentric Balance Ring and Freely Movable Counterweights
NANJING KULUODE VEHICLE IND CO LTD, NANJING KULUODE VEHICLE INDUSTRY CO LTD, 2021
An automatic wheel balancing device for automobiles that provides dynamic wheel balancing without the need for removable weights. The device consists of a fixed plate with a concentric balance ring inside it. The ring has an annular cavity with multiple freely movable counterweights. The fixed plate attaches to the wheel rim and the counterweights inside the ring automatically balance the wheel during rotation. This allows convenient installation without removing the tire, and eliminates the risk of weights falling off or damaging the tire.
20. Wheel Service Machine with Movable Diagnostic Roller and Wheel Locking Mechanism for Balancing
NEXION S.P.A., 2020
A wheel service machine with a roller for diagnostics and a locking mechanism for precise balancing. The machine has a roller that can be moved towards and away from the wheel axis to apply a force to the tire. It also has a locking mechanism for fixing the wheel to the holder. The roller is moved between an active position on the tire and a non-interference position. The locking mechanism allows precise balancing with the roller without affecting the machine's robustness during tire changing. The machine calculates tire force, roller flattening, and wheel geometry parameters during rolling. It also suggests tire configurations based on balance parameters for multiple wheels.
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