Smart Scooter Wheel System Maintains Optimal Pressure Automatically

Proper tire pressure is fundamental to scooter safety and performance, yet maintaining correct pressure manually represents an ongoing maintenance burden for riders. Incorrect pressure accelerates tire wear, reduces maneuverability, and can cause traffic accidents. This patent introduces an integrated tire pressure management system that monitors, detects pressure deviations, and automatically maintains optimal pressure within scooter wheels.

The Problem

Scooter wheels directly contact the ground and bear rider weight and dynamic forces, making tire pressure critically important for safety and performance. Inappropriate wheel pressure creates multiple problems. Slow air leaks, commonly caused by minor punctures or valve issues, gradually reduce pressure without obvious warning until riders notice degraded performance.

Low tire pressure increases rolling resistance, reducing scooter efficiency and range. Underinflated tires accelerate wear, increasing costs for riders. More seriously, improperly pressurized wheels degrade handling characteristics and maneuverability, directly affecting rider safety. In extreme cases, severely underinflated tires can fail entirely while riding, potentially causing accidents.

Current solutions require manual pressure monitoring. Riders must regularly check tire pressure using hand-held gauges, a tedious maintenance task that many riders postpone until problems become obvious. The lack of real-time feedback about pressure changes means slow leaks often go undetected until significant performance degradation occurs, compounding safety and wear problems.

What This Invention Does

The smart scooter wheel system integrates pressure measurement, sensing, and automated correction into a unified architecture. A pressure measurement assembly connects directly with tire lumens (air cavities), enabling continuous real-time monitoring of actual wheel pressure. A valve assembly connects the tire lumen with an onboard gas tank, enabling automatic pressure adjustment.

A pressure control assembly, electrically connected to both pressure measurement and valve systems, continuously monitors detected tire pressure and compares it against target pressure values configured by the rider or manufacturer. When pressure drops below target levels due to slow leaks or normal tire relaxation, the control system automatically activates the valve assembly to introduce additional air from the onboard gas tank, restoring pressure to target levels.

The system includes a control unit integrated with the scooter that receives periodic pressure reports from the measurement assembly, sends control signals to the valve assembly, and alerts riders to pressure issues or system malfunctions. This closed-loop system maintains optimal tire pressure automatically throughout riding sessions, eliminating the manual maintenance burden while continuously optimizing scooter performance.

Key Features

• Real-Time Pressure Monitoring. The pressure measurement assembly connects directly to tire lumens and continuously detects actual pressure, providing real-time feedback about system status without requiring rider intervention.
• Automated Correction System. The valve assembly automatically introduces air from the onboard gas tank when measured pressure falls below target levels, maintaining optimal pressure throughout riding without manual adjustment.
• Intelligent Control Logic. The pressure control assembly periodically monitors pressure, compares detected values against configured targets, and automatically activates adjustment without requiring rider decision-making about when or how much air to add.
• Integrated Gas Storage. An onboard gas tank provides air supply for automated pressure maintenance, eliminating dependency on external air sources or manual filling during rides.
• System Communication. The control unit maintains communication with all pressure system components, enabling system self-diagnosis, driver alerts about pressure anomalies, and logging of pressure history.

Who Is Behind It?

3KM PTE. LTD., a Singapore-based company, developed this innovation through inventors Shi Yi and Wang Xiajun. The patent filed in Australia claims priority to a Chinese patent application dated 3 September 2024, suggesting development in China with international filing. Remarkable IP, a New Zealand-based patent firm, provides legal representation.

Why It Matters

Scooters and personal mobility devices are rapidly gaining adoption in urban environments as alternatives to traditional transportation. User experience directly impacts adoption rates and safety. A system that automatically maintains optimal tire pressure removes a friction point from the ownership experience: riders no longer must remember to check pressure or manually adjust it.

Beyond user convenience, automated pressure maintenance directly improves safety. Consistent optimal tire pressure ensures predictable handling and reduces accident risks from unexpected performance degradation. For shared scooter services, automated pressure systems reduce maintenance costs and downtime, improving fleet availability and economics.

The technology also demonstrates broader trends in personal mobility: integration of sensors and electronic systems into traditionally mechanical devices. As scooters and e-bikes become more sophisticated, customers increasingly expect systems that optimize performance automatically rather than requiring manual adjustment. This patent aligns with user expectations for future mobility devices where active systems maintain operational parameters automatically.

Related Concepts

Tire pressure monitoring systems (TPMS) have been standard in cars for decades, but their integration into micromobility devices remains emergent. Maintaining correct pressure in small-wheeled vehicles is proportionally more critical than in cars, since minor pressure deviations have larger effects on handling stability and rolling resistance relative to total wheel size.

Closed-loop control systems automatically compare measured values against target setpoints and apply corrections, forming the engineering basis for automated pressure maintenance in this scooter wheel design. Similar feedback control principles are widely used across electric bikes and other personal electric mobility devices to optimise performance without rider intervention.

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AU 2025205421 was published in the Australian Official Journal of Patents on 19 March 2026 and is open for public inspection. Patent applications represent inventions that are sought to be protected and do not necessarily reflect commercially available products.